Persistent Issues with BigBlueButton Server - Seeking Assistance

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mricim

unread,
Jun 21, 2023, 10:09:50 AM6/21/23
to BigBlueButton-Setup
I am facing persistent issues with my BigBlueButton servers and I am seeking your assistance in resolving them. About three weeks ago, one of the servers started experiencing intermittent failures without any apparent reason. The problem persists and I would appreciate any insights or suggestions you may have.

Here is a brief description of the situation:
  • The server can function normally for days or hours until it encounters a peculiar disconnection, indicated by the arrow marked as "1" in the attached image, "2023-06-20".
  • After this occurrence, there can be a delay of seconds or hours until the following issues arise:
  • Server lag becomes severe, making it difficult to understand audio conversations.
  • Screen sharing becomes unavailable, and new users are unable to join the session.
  • Moodle stops responding to all requests, including those unrelated to BigBlueButton.
  • Random user disconnections become frequent.
  • Continued operation may lead to terminal lockups when attempting to execute "bbb-... --..." commands.
To address the issue, the following steps have been taken:
  • "bbb-conf --restart"
  • "bbb-conf --stop; bbb-conf --start"
  • In some cases, executing "bbb-conf --check" temporarily resolves the issue, but lag reappears shortly after.
  • Occasionally, a complete machine restart with "shutdown -r" is required because the terminal becomes unresponsive after using "bbb-... --..." commands.
After a restart, everything appears to be fine until the issue recurs, usually the following day.
On some occasions, "node-exporter" fails to the extent that I have to restart the Docker service to kill and restart the container. I even have to run "docker system prune" after killing the container to restore normal functionality.

I have tried using both 2.5.x and 2.6.x servers (behind Moodle and Greenlight) with fresh installations of Ubuntu 20.04. However, the issue persists on the same machine while the others function properly. I have conducted extensive research and performed numerous tests, but i couldn't find what can produce the error..

I kindly request your assistance and welcome any ideas or suggestions you may have.

Please find attached the server status and check outputs for your reference.

Thank you for your attention and support.

# bbb-conf --status
nginx —————————————————► [✔ - active]
freeswitch ————————————► [✔ - active]
redis-server ——————————► [✔ - active]
bbb-apps-akka —————————► [✔ - active]
bbb-fsesl-akka ————————► [✔ - active]
mongod ————————————————► [✔ - active]
bbb-html5 —————————————► [✔ - active]
bbb-webrtc-sfu ————————► [✔ - active]
kurento-media-server ——► [✔ - active]
kurento-media-server-8888  [✔ - active]
kurento-media-server-8889  [✔ - active]
kurento-media-server-8890  [✔ - active]
bbb-html5-backend@1 ———► [✔ - active]
bbb-html5-backend@2 ———► [✔ - active]
bbb-html5-frontend@1 ——► [✔ - active]
bbb-html5-frontend@2 ——► [✔ - active]
etherpad ——————————————► [✔ - active]
bbb-web ———————————————► [✔ - active]
bbb-pads ——————————————► [✔ - active]
bbb-rap-caption-inbox —► [✔ - active]
bbb-rap-resque-worker —► [✔ - active]
bbb-rap-starter ———————► [✔ - active]


#bbb-conf --check
BigBlueButton Server 2.5.17 (3240)
                    Kernel version: 5.4.0-1091-kvm
                      Distribution: Ubuntu 20.04.6 LTS (64-bit)
                            Memory: 20991 MB
                         CPU cores: 8

/etc/bigbluebutton/bbb-web.properties (override for bbb-web)
/usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties (bbb-web)
       bigbluebutton.web.serverURL: https://<URL>
                defaultGuestPolicy: ALWAYS_ACCEPT
                 svgImagesRequired: true
              defaultMeetingLayout: CUSTOM_LAYOUT

/etc/nginx/sites-available/bigbluebutton (nginx)
                       server_name: <URL>
                              port: 80, [::]:80
                              port: 443 ssl

/opt/freeswitch/etc/freeswitch/vars.xml (FreeSWITCH)
                       local_ip_v4: 10.181.61.9
                   external_rtp_ip: <IP>
                   external_sip_ip: <IP>

/opt/freeswitch/etc/freeswitch/sip_profiles/external.xml (FreeSWITCH)
                        ext-rtp-ip: $${external_rtp_ip}
                        ext-sip-ip: $${external_sip_ip}
                        ws-binding:  <IP>  :5066
                       wss-binding:  <IP>  :7443

/usr/local/bigbluebutton/core/scripts/bigbluebutton.yml (record and playback)
                     playback_host: <URL>
                 playback_protocol: https
                            ffmpeg: 4.2.7-0ubuntu0.1

/usr/share/bigbluebutton/nginx/sip.nginx (sip.nginx)
                        proxy_pass:  <IP>
                          protocol: http

/usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml (Kurento SFU)
/etc/bigbluebutton/bbb-webrtc-sfu/production.yml (Kurento SFU - override)
                        kurento.ip:  <IP>
                       kurento.url: ws://127.0.0.1:8888/kurento
                    kurento.sip_ip:  <IP>
               recordScreenSharing: true
                     recordWebcams: true
                  codec_video_main: VP8
               codec_video_content: VP8

/usr/share/meteor/bundle/programs/server/assets/app/config/settings.yml (HTML5 client)
/etc/bigbluebutton/bbb-html5.yml (HTML5 client config override)
                             build: 2912
                        kurentoUrl: wss://<URL>/bbb-webrtc-sfu
                  enableListenOnly: true
                    sipjsHackViaWs: true

/usr/share/bbb-web/WEB-INF/classes/spring/turn-stun-servers.xml (STUN Server)
                              stun: stun.l.google.com:19302
2023-06-20.png
2023-06-12.png
2023-06-12_10m.png

Jean Pluzo

unread,
Jun 23, 2023, 4:23:14 AM6/23/23
to BigBlueButton-Setup
Hi,

unfortunately this is a common and known behavior. AFAIK many bbb-admins (myself included) still restart bbb once every day or ever couple of days.
From you description it seems to be a hardware problem, since it's not only bbb that's giving you trouble but docker too.
Are you using a VM or bare metal?
Do you have enough HDD space?
Perhaps posting your hardware could help the community help you.

Regards,
J.

mricim

unread,
Jun 27, 2023, 6:21:57 AM6/27/23
to BigBlueButton-Setup
Thank you for your prompt response and support. I have conducted further tests on the equipment and everything appears to be in order.

To provide you with more context, the machine is a bare metal server. BigBlueButton (BBB) is running within an LXC container, which is located behind a proxy on the same machine.

Despite my efforts, the issue persists, and I have not been able to identify any specific configuration or setup problems. The server seems to be functioning correctly, but the intermittent failures described in my previous message continue to occur.

I am open to any suggestions or guidance you may have to resolve this matter.

Thank you once again for your assistance.

baremental:
HDD: Raid 1 - 1Tb - Use: 11%
CPU: AMD - 2sockets - 12t
RAM: 16Gb x2
NETWORK: 1Gb

Assigned to bbb (in LXC):
HDD: 300G
CPU: 8c
RAM: 16G
NETWORK: direct udp ports (16384 - 32768) and tcp ports forwarded by the proxy (80 and 443)

#########################################################
#########################################################
cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10]
md2 : active raid1 sda2[0] sdb2[2]
      1949632 blocks super 1.0 [2/2] [UU]

md4 : active raid1 sda4[0] sdb4[2]
      970902336 blocks super 1.0 [2/2] [UU]
      bitmap: 6/8 pages [24KB], 65536KB chunk

unused devices: <none>
#########################################################
df -h
Filesystem      Size  Used Avail Use% Mounted on
udev             16G     0   16G   0% /dev
tmpfs           3.2G  1.6M  3.2G   1% /run
/dev/md4        911G   88G  777G  11% /
tmpfs            16G     0   16G   0% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs            16G     0   16G   0% /sys/fs/cgroup
/dev/loop1      117M  117M     0 100% /snap/core/14946
/dev/loop4       64M   64M     0 100% /snap/core20/1891
/dev/loop5       74M   74M     0 100% /snap/core22/750
/dev/loop7      171M  171M     0 100% /snap/lxd/24918
/dev/md2        1.8G  381M  1.5G  21% /boot
tmpfs           1.0M     0  1.0M   0% /var/snap/lxd/common/ns
/dev/loop8       64M   64M     0 100% /snap/core20/1950
/dev/loop2      119M  119M     0 100% /snap/core/15419
/dev/loop0       74M   74M     0 100% /snap/core22/766
/dev/loop3      174M  174M     0 100% /snap/lxd/25086
tmpfs           3.2G     0  3.2G   0% /run/user/1000
#########################################################
lsblk -fm
NAME    FSTYPE            LABEL   UUID FSAVAIL FSUSE% MOUNTPOINT    SIZE OWNER GROUP MODE
loop0   squashfs                       0   100% /snap/core22/766   73.9M root  disk  brw-rw----
loop1   squashfs                       0   100% /snap/core/14946  116.8M root  disk  brw-rw----
loop2   squashfs                       0   100% /snap/core/15419  118.2M root  disk  brw-rw----
loop4   squashfs                       0   100% /snap/core20/1891  63.5M root  disk  brw-rw----
loop5   squashfs                       0   100% /snap/core22/750   73.9M root  disk  brw-rw----
loop6   squashfs                       0   100% /snap/lxd/24846   166.4M root  disk  brw-rw----
loop7   squashfs                       0   100% /snap/lxd/24918   170.1M root  disk  brw-rw----
loop8   squashfs                       0   100% /snap/core20/1950  63.5M root  disk  brw-rw----
sda                                                               931.5G root  disk  brw-rw----
├─sda1                                                                2M root  disk  brw-rw----
├─sda2  linux_raid_member punix:2 xxx                               1.9G root  disk  brw-rw----
│ └─md2 ext3              boot    xxx                               1.4G    21% /boot          1.9G root  disk  brw-rw----
├─sda3  swap                      xxx                [SWAP]         3.7G root  disk  brw-rw----
└─sda4  linux_raid_member punix:4 xxx                             925.9G root  disk  brw-rw----
  └─md4 ext4              root    xxx                              777.5G    10% /                 925.9G root  disk  brw-rw----
sdb                                                                931.5G root  disk  brw-rw----
├─sdb1                                                                 2M root  disk  brw-rw----
├─sdb2  linux_raid_member punix:2 xxx                                1.9G root  disk  brw-rw----
│ └─md2 ext3              boot    xxx                                1.4G    21% /boot               1.9G root  disk  brw-rw----
├─sdb3  swap                      xxx                [SWAP]          3.7G root  disk  brw-rw----
└─sdb4  linux_raid_member punix:4 xxx                               925.9G root  disk  brw-rw----
  └─md4 ext4              root    xxx                               777.5G    10% /                 925.9G root  disk  brw-rw----
#########################################################
#########################################################
lscpu
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   43 bits physical, 48 bits virtual
CPU(s):                          12
On-line CPU(s) list:             0-11
Thread(s) per core:              2
Core(s) per socket:              6
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       AuthenticAMD
CPU family:                      23
Model:                           113
Model name:                      AMD Ryzen 5 PRO 3600 6-Core Processor
Stepping:                        0
Frequency boost:                 enabled
CPU MHz:                         2200.000
CPU max MHz:                     3600.0000
CPU min MHz:                     2200.0000
BogoMIPS:                        7187.10
Virtualization:                  AMD-V
L1d cache:                       192 KiB
L1i cache:                       192 KiB
L2 cache:                        3 MiB
L3 cache:                        32 MiB
NUMA node0 CPU(s):               0-11
Vulnerability Itlb multihit:     Not affected
Vulnerability L1tf:              Not affected
Vulnerability Mds:               Not affected
Vulnerability Meltdown:          Not affected
Vulnerability Mmio stale data:   Not affected
Vulnerability Retbleed:          Mitigation; untrained return thunk; SMT enabled with STIBP protection
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Retpolines, IBPB conditional, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds:             Not affected
Vulnerability Tsx async abort:   Not affected
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid a
                                 perfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt t
                                 ce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt x
                                 savec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter p
                                 fthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip rdpid overflow_recov succor smca sme sev sev_es
#########################################################
dmidecode --type bios
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0000, DMI type 0, 26 bytes
BIOS Information
        Vendor: American Megatrends Inc.
        Version: L0.07
        Release Date: 12/22/2020
        Address: 0xF0000
        Runtime Size: 64 kB
        ROM Size: 16 MB
        Characteristics:
                PCI is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported
                Selectable boot is supported
                BIOS ROM is socketed
                EDD is supported
                5.25"/1.2 MB floppy services are supported (int 13h)
                3.5"/720 kB floppy services are supported (int 13h)
                3.5"/2.88 MB floppy services are supported (int 13h)
                Print screen service is supported (int 5h)
                Serial services are supported (int 14h)
                Printer services are supported (int 17h)
                ACPI is supported
                USB legacy is supported
                BIOS boot specification is supported
                Targeted content distribution is supported
                UEFI is supported
        BIOS Revision: 5.14

Handle 0x0028, DMI type 13, 22 bytes
BIOS Language Information
        Language Description Format: Long
        Installable Languages: 1
                en|US|iso8859-1
        Currently Installed Language: en|US|iso8859-1
#########################################################
dmidecode --type system
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0001, DMI type 1, 27 bytes
System Information
        Manufacturer: <the seller>
        Product Name: 520001
        Version: 4100008950
        Serial Number: RNT20210401345
        UUID: 00000000-0000-0000-0000-d05099fa0234
        Wake-up Type: Power Switch
        SKU Number: To Be Filled By O.E.M.
        Family: To Be Filled By O.E.M.

Handle 0x000D, DMI type 32, 20 bytes
System Boot Information
        Status: No errors detected
#########################################################
dmidecode --type baseboard
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
        Manufacturer: ASRockRack
        Product Name: X470D4U2/1N1
        Version:
        Serial Number: 208064010000250
        Asset Tag:
        Features:
                Board is a hosting board
                Board is replaceable
        Location In Chassis:
        Chassis Handle: 0x0003
        Type: Motherboard
        Contained Object Handles: 0
#########################################################
dmidecode --type chassis
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
        Manufacturer: To Be Filled By O.E.M.
        Type: Unknown
        Lock: Not Present
        Version: To Be Filled By O.E.M.
        Serial Number: To Be Filled By O.E.M.
        Asset Tag: To Be Filled By O.E.M.
        Boot-up State: Safe
        Power Supply State: Safe
        Thermal State: Safe
        Security Status: None
        OEM Information: 0x00000000
        Height: Unspecified
        Number Of Power Cords: 1
        Contained Elements: 0
        SKU Number: To Be Filled By O.E.M.
#########################################################
dmidecode --type processor
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x001D, DMI type 4, 48 bytes
Processor Information
        Socket Designation: CPU1
        Type: Central Processor
        Family: Zen
        Manufacturer: Advanced Micro Devices, Inc.
        ID: 10 0F 87 00 FF FB 8B 17
        Signature: Family 23, Model 113, Stepping 0
        Flags:
                FPU (Floating-point unit on-chip)
                VME (Virtual mode extension)
                DE (Debugging extension)
                PSE (Page size extension)
                TSC (Time stamp counter)
                MSR (Model specific registers)
                PAE (Physical address extension)
                MCE (Machine check exception)
                CX8 (CMPXCHG8 instruction supported)
                APIC (On-chip APIC hardware supported)
                SEP (Fast system call)
                MTRR (Memory type range registers)
                PGE (Page global enable)
                MCA (Machine check architecture)
                CMOV (Conditional move instruction supported)
                PAT (Page attribute table)
                PSE-36 (36-bit page size extension)
                CLFSH (CLFLUSH instruction supported)
                MMX (MMX technology supported)
                FXSR (FXSAVE and FXSTOR instructions supported)
                SSE (Streaming SIMD extensions)
                SSE2 (Streaming SIMD extensions 2)
                HTT (Multi-threading)
        Version: AMD Ryzen 5 PRO 3600 6-Core Processor
        Voltage: 1.1 V
        External Clock: 100 MHz
        Max Speed: 4200 MHz
        Current Speed: 3600 MHz
        Status: Populated, Enabled
        Upgrade: Socket AM4
        L1 Cache Handle: 0x001A
        L2 Cache Handle: 0x001B
        L3 Cache Handle: 0x001C
        Serial Number: Unknown
        Asset Tag: Unknown
        Part Number: Unknown
        Core Count: 6
        Core Enabled: 6
        Thread Count: 12
        Characteristics:
                64-bit capable
                Multi-Core
                Hardware Thread
                Execute Protection
                Enhanced Virtualization
                Power/Performance Control
#########################################################
dmidecode --type chassis
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
        Manufacturer: To Be Filled By O.E.M.
        Type: Unknown
        Lock: Not Present
        Version: To Be Filled By O.E.M.
        Serial Number: To Be Filled By O.E.M.
        Asset Tag: To Be Filled By O.E.M.
        Boot-up State: Safe
        Power Supply State: Safe
        Thermal State: Safe
        Security Status: None
        OEM Information: 0x00000000
        Height: Unspecified
        Number Of Power Cords: 1
        Contained Elements: 0
        SKU Number: To Be Filled By O.E.M.
#########################################################
 dmidecode --type memory
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0017, DMI type 16, 23 bytes
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: Multi-bit ECC
        Maximum Capacity: 128 GB
        Error Information Handle: 0x0016
        Number Of Devices: 4

Handle 0x001F, DMI type 17, 84 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: 0x001E
        Total Width: Unknown
        Data Width: Unknown
        Size: No Module Installed
        Form Factor: Unknown
        Set: None
        Locator: DIMM 0
        Bank Locator: P0 CHANNEL A
        Type: Unknown
        Type Detail: Unknown
        Speed: Unknown
        Manufacturer: Unknown
        Serial Number: Unknown
        Asset Tag: Not Specified
        Part Number: Unknown
        Rank: Unknown
        Configured Memory Speed: Unknown
        Minimum Voltage: Unknown
        Maximum Voltage: Unknown
        Configured Voltage: Unknown
        Memory Technology: Unknown
        Memory Operating Mode Capability: Unknown
        Firmware Version: Unknown
        Module Manufacturer ID: Unknown
        Module Product ID: Unknown
        Memory Subsystem Controller Manufacturer ID: Unknown
        Memory Subsystem Controller Product ID: Unknown
        Non-Volatile Size: None
        Volatile Size: None
        Cache Size: None
        Logical Size: None

Handle 0x0021, DMI type 17, 84 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: 0x0020
        Total Width: 128 bits
        Data Width: 64 bits
        Size: 16384 MB
        Form Factor: DIMM
        Set: None
        Locator: DIMM 1
        Bank Locator: P0 CHANNEL A
        Type: DDR4
        Type Detail: Synchronous Unbuffered (Unregistered)
        Speed: 2666 MT/s
        Manufacturer: Samsung
        Serial Number: 18CBB5F0
        Asset Tag: Not Specified
        Part Number: M391A2K43BB1-CTD
        Rank: 2
        Configured Memory Speed: 2666 MT/s
        Minimum Voltage: 1.2 V
        Maximum Voltage: 1.2 V
        Configured Voltage: 1.2 V
        Memory Technology: DRAM
        Memory Operating Mode Capability: Volatile memory
        Firmware Version: Unknown
        Module Manufacturer ID: Bank 1, Hex 0xCE
        Module Product ID: Unknown
        Memory Subsystem Controller Manufacturer ID: Unknown
        Memory Subsystem Controller Product ID: Unknown
        Non-Volatile Size: None
        Volatile Size: 16 GB
        Cache Size: None
        Logical Size: None

Handle 0x0024, DMI type 17, 84 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: 0x0023
        Total Width: Unknown
        Data Width: Unknown
        Size: No Module Installed
        Form Factor: Unknown
        Set: None
        Locator: DIMM 0
        Bank Locator: P0 CHANNEL B
        Type: Unknown
        Type Detail: Unknown
        Speed: Unknown
        Manufacturer: Unknown
        Serial Number: Unknown
        Asset Tag: Not Specified
        Part Number: Unknown
        Rank: Unknown
        Configured Memory Speed: Unknown
        Minimum Voltage: Unknown
        Maximum Voltage: Unknown
        Configured Voltage: Unknown
        Memory Technology: Unknown
        Memory Operating Mode Capability: Unknown
        Firmware Version: Unknown
        Module Manufacturer ID: Unknown
        Module Product ID: Unknown
        Memory Subsystem Controller Manufacturer ID: Unknown
        Memory Subsystem Controller Product ID: Unknown
        Non-Volatile Size: None
        Volatile Size: None
        Cache Size: None
        Logical Size: None

Handle 0x0026, DMI type 17, 84 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: 0x0025
        Total Width: 128 bits
        Data Width: 64 bits
        Size: 16384 MB
        Form Factor: DIMM
        Set: None
        Locator: DIMM 1
        Bank Locator: P0 CHANNEL B
        Type: DDR4
        Type Detail: Synchronous Unbuffered (Unregistered)
        Speed: 2666 MT/s
        Manufacturer: Samsung
        Serial Number: 18CBDAC4
        Asset Tag: Not Specified
        Part Number: M391A2K43BB1-CTD
        Rank: 2
        Configured Memory Speed: 2666 MT/s
        Minimum Voltage: 1.2 V
        Maximum Voltage: 1.2 V
        Configured Voltage: 1.2 V
        Memory Technology: DRAM
        Memory Operating Mode Capability: Volatile memory
        Firmware Version: Unknown
        Module Manufacturer ID: Bank 1, Hex 0xCE
        Module Product ID: Unknown
        Memory Subsystem Controller Manufacturer ID: Unknown
        Memory Subsystem Controller Product ID: Unknown
        Non-Volatile Size: None
        Volatile Size: 16 GB
        Cache Size: None
        Logical Size: None
#########################################################
dmidecode --type cache
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x001A, DMI type 7, 27 bytes
Cache Information
        Socket Designation: L1 - Cache
        Configuration: Enabled, Not Socketed, Level 1
        Operational Mode: Write Back
        Location: Internal
        Installed Size: 384 kB
        Maximum Size: 384 kB
        Supported SRAM Types:
                Pipeline Burst
        Installed SRAM Type: Pipeline Burst
        Speed: 1 ns
        Error Correction Type: Multi-bit ECC
        System Type: Unified
        Associativity: 8-way Set-associative

Handle 0x001B, DMI type 7, 27 bytes
Cache Information
        Socket Designation: L2 - Cache
        Configuration: Enabled, Not Socketed, Level 2
        Operational Mode: Write Back
        Location: Internal
        Installed Size: 3072 kB
        Maximum Size: 3072 kB
        Supported SRAM Types:
                Pipeline Burst
        Installed SRAM Type: Pipeline Burst
        Speed: 1 ns
        Error Correction Type: Multi-bit ECC
        System Type: Unified
        Associativity: 8-way Set-associative

Handle 0x001C, DMI type 7, 27 bytes
Cache Information
        Socket Designation: L3 - Cache
        Configuration: Enabled, Not Socketed, Level 3
        Operational Mode: Write Back
        Location: Internal
        Installed Size: 32768 kB
        Maximum Size: 32768 kB
        Supported SRAM Types:
                Pipeline Burst
        Installed SRAM Type: Pipeline Burst
        Speed: 1 ns
        Error Correction Type: Multi-bit ECC
        System Type: Unified
        Associativity: 16-way Set-associative
#########################################################
dmidecode --type slot
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.2.0 present.

Handle 0x0004, DMI type 9, 17 bytes
System Slot Information
        Designation: J6B2
        Type: x16 PCI Express
        Current Usage: In Use
        Length: Long
        ID: 0
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:01.0

Handle 0x0005, DMI type 9, 17 bytes
System Slot Information
        Designation: J6B1
        Type: x1 PCI Express
        Current Usage: In Use
        Length: Short
        ID: 1
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1c.3

Handle 0x0006, DMI type 9, 17 bytes
System Slot Information
        Designation: J6D1
        Type: x1 PCI Express
        Current Usage: In Use
        Length: Short
        ID: 2
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1c.4

Handle 0x0007, DMI type 9, 17 bytes
System Slot Information
        Designation: J7B1
        Type: x1 PCI Express
        Current Usage: In Use
        Length: Short
        ID: 3
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1c.5

Handle 0x0008, DMI type 9, 17 bytes
System Slot Information
        Designation: J8B4
        Type: x1 PCI Express
        Current Usage: In Use
        Length: Short
        ID: 4
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1c.6

Handle 0x0009, DMI type 9, 17 bytes
System Slot Information
        Designation: J8D1
        Type: x1 PCI Express
        Current Usage: In Use
        Length: Short
        ID: 5
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1c.7

Handle 0x000A, DMI type 9, 17 bytes
System Slot Information
        Designation: J8B3
        Type: 32-bit PCI
        Current Usage: In Use
        Length: Short
        ID: 6
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1e.0

Handle 0x000B, DMI type 9, 17 bytes
System Slot Information
        Designation: J9B1
        Type: 32-bit PCI
        Current Usage: In Use
        Length: Short
        ID: 7
        Characteristics:
                3.3 V is provided
                Opening is shared
                PME signal is supported
        Bus Address: 0000:00:1e.0
#########################################################
#########################################################
lshw
production
    description: Computer
    product: 520001 (To Be Filled By O.E.M.)
    vendor: <the seller>
    version: 4100008950
    serial: RNT20210401345
    width: 64 bits
    capabilities: smbios-3.2.0 dmi-3.2.0 smp vsyscall32
    configuration: boot=normal family=To Be Filled By O.E.M. sku=To Be Filled By O.E.M. uuid=00000000-0000-0000-0000-D05099FA0234
  *-core
       description: Motherboard
       product: X470D4U2/1N1
       vendor: ASRockRack
       physical id: 0
       serial: 208064010000250
     *-firmware
          description: BIOS
          vendor: American Megatrends Inc.
          physical id: 0
          version: L0.07
          date: 12/22/2020
          size: 64KiB
          capacity: 16MiB
          capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int14serial int17printer acpi usb biosbootspecification uefi
     *-memory
          description: System Memory
          physical id: 17
          slot: System board or motherboard
          size: 32GiB
          capabilities: ecc
          configuration: errordetection=multi-bit-ecc
        *-bank:0
             description: [empty]
             product: Unknown
             vendor: Unknown
             physical id: 0
             serial: Unknown
             slot: DIMM 0
        *-bank:1
             description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2666 MHz (0.4 ns)
             product: M391A2K43BB1-CTD
             vendor: Samsung
             physical id: 1
             serial: 18CBB5F0
             slot: DIMM 1
             size: 16GiB
             width: 64 bits
             clock: 2666MHz (0.4ns)
        *-bank:2
             description: [empty]
             product: Unknown
             vendor: Unknown
             physical id: 2
             serial: Unknown
             slot: DIMM 0
        *-bank:3
             description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2666 MHz (0.4 ns)
             product: M391A2K43BB1-CTD
             vendor: Samsung
             physical id: 3
             serial: 18CBDAC4
             slot: DIMM 1
             size: 16GiB
             width: 64 bits
             clock: 2666MHz (0.4ns)
     *-cache:0
          description: L1 cache
          physical id: 1a
          slot: L1 - Cache
          size: 384KiB
          capacity: 384KiB
          clock: 1GHz (1.0ns)
          capabilities: pipeline-burst internal write-back unified
          configuration: level=1
     *-cache:1
          description: L2 cache
          physical id: 1b
          slot: L2 - Cache
          size: 3MiB
          capacity: 3MiB
          clock: 1GHz (1.0ns)
          capabilities: pipeline-burst internal write-back unified
          configuration: level=2
     *-cache:2
          description: L3 cache
          physical id: 1c
          slot: L3 - Cache
          size: 32MiB
          capacity: 32MiB
          clock: 1GHz (1.0ns)
          capabilities: pipeline-burst internal write-back unified
          configuration: level=3
     *-cpu
          description: CPU
          product: AMD Ryzen 5 PRO 3600 6-Core Processor
          vendor: Advanced Micro Devices [AMD]
          physical id: 1d
          bus info: cpu@0
          version: AMD Ryzen 5 PRO 3600 6-Core Processor
          serial: Unknown
          slot: CPU1
          size: 2195MHz
          capacity: 4200MHz
          width: 64 bits
          clock: 100MHz
          capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip rdpid overflow_recov succor smca sme sev sev_es cpufreq
          configuration: cores=6 enabledcores=6 threads=12
     *-pci:0
          description: Host bridge
          product: Starship/Matisse Root Complex
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 00
          width: 32 bits
          clock: 33MHz
        *-generic UNCLAIMED
             description: IOMMU
             product: Starship/Matisse IOMMU
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 0.2
             bus info: pci@0000:00:00.2
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: msi ht bus_master cap_list
             configuration: latency=0
        *-pci:0
             description: PCI bridge
             product: Starship/Matisse GPP Bridge
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 1.3
             bus info: pci@0000:00:01.3
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:26 ioport:d000(size=12288) memory:f6000000-f74fffff
           *-usb
                description: USB controller
                product: Advanced Micro Devices, Inc. [AMD]
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0
                bus info: pci@0000:03:00.0
                version: 01
                width: 64 bits
                clock: 33MHz
                capabilities: msi pm pciexpress xhci bus_master cap_list
                configuration: driver=xhci_hcd latency=0
                resources: irq:42 memory:f74a0000-f74a7fff
              *-usbhost:0
                   product: xHCI Host Controller
                   vendor: Linux 5.15.0-73-generic xhci-hcd
                   physical id: 0
                   bus info: usb@1
                   logical name: usb1
                   version: 5.15
                   capabilities: usb-2.00
                   configuration: driver=hub slots=14 speed=480Mbit/s
                 *-usb
                      description: USB hub
                      product: Virtual Hub
                      vendor: American Megatrends Inc.
                      physical id: e
                      bus info: usb@1:e
                      version: 1.00
                      serial: serial
                      capabilities: usb-2.00
                      configuration: driver=hub maxpower=100mA slots=5 speed=480Mbit/s
                    *-usb:0
                         description: Communication device
                         product: Virtual Ethernet
                         vendor: American Megatrends Inc.
                         physical id: 3
                         bus info: usb@1:e.3
                         version: 1.00
                         serial: 1234567890
                         capabilities: usb-2.00
                         configuration: driver=cdc_ether speed=480Mbit/s
                    *-usb:1
                         description: Keyboard
                         product: Virtual Keyboard and Mouse
                         vendor: American Megatrends Inc.
                         physical id: 4
                         bus info: usb@1:e.4
                         version: 1.00
                         capabilities: usb-1.10
                         configuration: driver=usbhid speed=2Mbit/s
              *-usbhost:1
                   product: xHCI Host Controller
                   vendor: Linux 5.15.0-73-generic xhci-hcd
                   physical id: 1
                   bus info: usb@2
                   logical name: usb2
                   version: 5.15
                   capabilities: usb-3.10
                   configuration: driver=hub slots=8 speed=10000Mbit/s
           *-sata
                description: SATA controller
                product: 400 Series Chipset SATA Controller
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0.1
                bus info: pci@0000:03:00.1
                version: 01
                width: 32 bits
                clock: 33MHz
                capabilities: sata msi pm pciexpress ahci_1.0 bus_master cap_list rom
                configuration: driver=ahci latency=0
                resources: irq:41 memory:f7480000-f749ffff memory:f7400000-f747ffff
           *-pci
                description: PCI bridge
                product: 400 Series Chipset PCIe Bridge
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0.2
                bus info: pci@0000:03:00.2
                version: 01
                width: 32 bits
                clock: 33MHz
                capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                configuration: driver=pcieport
                resources: irq:32 ioport:d000(size=12288) memory:f6000000-f73fffff
              *-pci:0
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 0
                   bus info: pci@0000:20:00.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:34 ioport:f000(size=4096) memory:f6000000-f70fffff
                 *-pci
                      description: PCI bridge
                      product: AST1150 PCI-to-PCI Bridge
                      vendor: ASPEED Technology, Inc.
                      physical id: 0
                      bus info: pci@0000:21:00.0
                      version: 04
                      width: 32 bits
                      clock: 33MHz
                      capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                      resources: ioport:f000(size=4096) memory:f6000000-f70fffff
                    *-display
                         description: VGA compatible controller
                         product: ASPEED Graphics Family
                         vendor: ASPEED Technology, Inc.
                         physical id: 0
                         bus info: pci@0000:22:00.0
                         version: 41
                         width: 32 bits
                         clock: 33MHz
                         capabilities: pm msi vga_controller bus_master cap_list rom
                         configuration: driver=ast latency=0
                         resources: irq:33 memory:f6000000-f6ffffff memory:f7000000-f701ffff ioport:f000(size=128) memory:c0000-dffff
              *-pci:1
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 1
                   bus info: pci@0000:20:01.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:36 ioport:e000(size=4096) memory:f7300000-f73fffff
                 *-network
                      description: Ethernet interface
                      product: I210 Gigabit Network Connection
                      vendor: Intel Corporation
                      physical id: 0
                      bus info: pci@0000:23:00.0
                      logical name: eth0
                      version: 03
                      serial: d0:50:99:fa:02:34
                      size: 1Gbit/s
                      capacity: 1Gbit/s
                      width: 32 bits
                      clock: 33MHz
                      capabilities: pm msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                      configuration: autonegotiation=on broadcast=yes driver=igb driverversion=5.15.0-73-generic duplex=full firmware=3.16, 0x800004d6 ip=<the public ip> latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
                      resources: irq:35 memory:f7300000-f737ffff ioport:e000(size=32) memory:f7380000-f7383fff
              *-pci:2
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 2
                   bus info: pci@0000:20:02.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:37 ioport:d000(size=4096) memory:f7200000-f72fffff
                 *-network DISABLED
                      description: Ethernet interface
                      product: I210 Gigabit Network Connection
                      vendor: Intel Corporation
                      physical id: 0
                      bus info: pci@0000:24:00.0
                      logical name: eth1
                      version: 03
                      serial: d0:50:99:fa:02:35
                      capacity: 1Gbit/s
                      width: 32 bits
                      clock: 33MHz
                      capabilities: pm msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                      configuration: autonegotiation=on broadcast=yes driver=igb driverversion=5.15.0-73-generic firmware=3.16, 0x800004d6 latency=0 link=no multicast=yes port=twisted pair
                      resources: irq:27 memory:f7200000-f727ffff ioport:d000(size=32) memory:f7280000-f7283fff
              *-pci:3
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 3
                   bus info: pci@0000:20:03.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:38
              *-pci:4
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 4
                   bus info: pci@0000:20:04.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:39
              *-pci:5
                   description: PCI bridge
                   product: 400 Series Chipset PCIe Port
                   vendor: Advanced Micro Devices, Inc. [AMD]
                   physical id: 8
                   bus info: pci@0000:20:08.0
                   version: 01
                   width: 32 bits
                   clock: 33MHz
                   capabilities: pci msi pm pciexpress normal_decode bus_master cap_list
                   configuration: driver=pcieport
                   resources: irq:40
        *-pci:1
             description: PCI bridge
             product: Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 7.1
             bus info: pci@0000:00:07.1
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:28
           *-generic UNCLAIMED
                description: Non-Essential Instrumentation
                product: Starship/Matisse PCIe Dummy Function
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0
                bus info: pci@0000:2b:00.0
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pm pciexpress bus_master cap_list
                configuration: latency=0
        *-pci:2
             description: PCI bridge
             product: Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 8.1
             bus info: pci@0000:00:08.1
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:29 memory:f7600000-f78fffff
           *-generic:0 UNCLAIMED
                description: Non-Essential Instrumentation
                product: Starship/Matisse Reserved SPP
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0
                bus info: pci@0000:2c:00.0
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pm pciexpress bus_master cap_list
                configuration: latency=0
           *-generic:1
                description: Encryption controller
                product: Starship/Matisse Cryptographic Coprocessor PSPCPP
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0.1
                bus info: pci@0000:2c:00.1
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pm pciexpress msi msix bus_master cap_list
                configuration: driver=ccp latency=0
                resources: irq:66 memory:f7700000-f77fffff memory:f7808000-f7809fff
           *-usb
                description: USB controller
                product: Matisse USB 3.0 Host Controller
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0.3
                bus info: pci@0000:2c:00.3
                version: 00
                width: 64 bits
                clock: 33MHz
                capabilities: pm pciexpress msi msix xhci bus_master cap_list
                configuration: driver=xhci_hcd latency=0
                resources: irq:43 memory:f7600000-f76fffff
              *-usbhost:0
                   product: xHCI Host Controller
                   vendor: Linux 5.15.0-73-generic xhci-hcd
                   physical id: 0
                   bus info: usb@3
                   logical name: usb3
                   version: 5.15
                   capabilities: usb-2.00
                   configuration: driver=hub slots=4 speed=480Mbit/s
              *-usbhost:1
                   product: xHCI Host Controller
                   vendor: Linux 5.15.0-73-generic xhci-hcd
                   physical id: 1
                   bus info: usb@4
                   logical name: usb4
                   version: 5.15
                   capabilities: usb-3.10
                   configuration: driver=hub slots=4 speed=10000Mbit/s
           *-multimedia
                description: Audio device
                product: Starship/Matisse HD Audio Controller
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0.4
                bus info: pci@0000:2c:00.4
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pm pciexpress msi bus_master cap_list
                configuration: driver=snd_hda_intel latency=0
                resources: irq:70 memory:f7800000-f7807fff
        *-pci:3
             description: PCI bridge
             product: Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 8.2
             bus info: pci@0000:00:08.2
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:30 memory:f7a00000-f7afffff
           *-sata
                description: SATA controller
                product: FCH SATA Controller [AHCI mode]
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0
                bus info: pci@0000:30:00.0
                version: 51
                width: 32 bits
                clock: 33MHz
                capabilities: sata pm pciexpress msi ahci_1.0 bus_master cap_list
                configuration: driver=ahci latency=0
                resources: irq:53 memory:f7a00000-f7a007ff
        *-pci:4
             description: PCI bridge
             product: Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 8.3
             bus info: pci@0000:00:08.3
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:31 memory:f7900000-f79fffff
           *-sata
                description: SATA controller
                product: FCH SATA Controller [AHCI mode]
                vendor: Advanced Micro Devices, Inc. [AMD]
                physical id: 0
                bus info: pci@0000:31:00.0
                version: 51
                width: 32 bits
                clock: 33MHz
                capabilities: sata pm pciexpress msi ahci_1.0 bus_master cap_list
                configuration: driver=ahci latency=0
                resources: irq:55 memory:f7900000-f79007ff
        *-serial
             description: SMBus
             product: FCH SMBus Controller
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 61
             width: 32 bits
             clock: 66MHz
             configuration: driver=piix4_smbus latency=0
             resources: irq:0
        *-isa
             description: ISA bridge
             product: FCH LPC Bridge
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 14.3
             bus info: pci@0000:00:14.3
             version: 51
             width: 32 bits
             clock: 66MHz
             capabilities: isa bus_master
             configuration: latency=0
     *-pci:1
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 101
          bus info: pci@0000:00:01.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:2
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 102
          bus info: pci@0000:00:02.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:3
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 103
          bus info: pci@0000:00:03.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:4
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 104
          bus info: pci@0000:00:04.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:5
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 105
          bus info: pci@0000:00:05.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:6
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 106
          bus info: pci@0000:00:07.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:7
          description: Host bridge
          product: Starship/Matisse PCIe Dummy Host Bridge
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 107
          bus info: pci@0000:00:08.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:8
          description: Host bridge
          product: Matisse Device 24: Function 0
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 108
          bus info: pci@0000:00:18.0
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:9
          description: Host bridge
          product: Matisse Device 24: Function 1
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 109
          bus info: pci@0000:00:18.1
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:10
          description: Host bridge
          product: Matisse Device 24: Function 2
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10a
          bus info: pci@0000:00:18.2
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:11
          description: Host bridge
          product: Matisse Device 24: Function 3
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10b
          bus info: pci@0000:00:18.3
          version: 00
          width: 32 bits
          clock: 33MHz
          configuration: driver=k10temp
          resources: irq:0
     *-pci:12
          description: Host bridge
          product: Matisse Device 24: Function 4
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10c
          bus info: pci@0000:00:18.4
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:13
          description: Host bridge
          product: Matisse Device 24: Function 5
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10d
          bus info: pci@0000:00:18.5
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:14
          description: Host bridge
          product: Matisse Device 24: Function 6
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10e
          bus info: pci@0000:00:18.6
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pci:15
          description: Host bridge
          product: Matisse Device 24: Function 7
          vendor: Advanced Micro Devices, Inc. [AMD]
          physical id: 10f
          bus info: pci@0000:00:18.7
          version: 00
          width: 32 bits
          clock: 33MHz
     *-pnp00:00
          product: PnP device PNP0c01
          physical id: 1
          capabilities: pnp
          configuration: driver=system
     *-pnp00:01
          product: PnP device PNP0c02
          physical id: 2
          capabilities: pnp
          configuration: driver=system
     *-pnp00:02
          product: PnP device PNP0b00
          physical id: 3
          capabilities: pnp
          configuration: driver=rtc_cmos
     *-pnp00:03
          product: PnP device PNP0c02
          physical id: 4
          capabilities: pnp
          configuration: driver=system
     *-pnp00:04
          product: PnP device PNP0501
          physical id: 5
          capabilities: pnp
          configuration: driver=serial
     *-pnp00:05
          product: PnP device PNP0501
          physical id: 6
          capabilities: pnp
          configuration: driver=serial
     *-pnp00:06
          product: PnP device PNP0c02
          physical id: 7
          capabilities: pnp
          configuration: driver=system
     *-scsi:0
          physical id: 8
          logical name: scsi2
          capabilities: emulated
        *-disk
             description: ATA Disk
             product: HGST HUS722T1TAL
             physical id: 0.0.0
             bus info: scsi@2:0.0.0
             logical name: /dev/sda
             version: WA09
             serial: WCC6M2FJPP7H
             size: 931GiB (1TB)
             capabilities: gpt-1.00 partitioned partitioned:gpt
             configuration: ansiversion=5 guid=bd66799a-e6ca-4761-a243-99732e5cea2e logicalsectorsize=512 sectorsize=512
           *-volume:0
                description: BIOS Boot partition
                vendor: EFI
                physical id: 1
                bus info: scsi@2:0.0.0,1
                logical name: /dev/sda1
                serial: a6ca089f-5391-412a-9418-07a9ae1001df
                capacity: 2047KiB
                capabilities: nofs
                configuration: name=primary
           *-volume:1
                description: EXT3 volume
                vendor: Linux
                physical id: 2
                bus info: scsi@2:0.0.0,2
                logical name: /dev/sda2
                version: 1.0
                serial: 3ebe6f92-3da9-4fb3-8d22-2c360f3f478f
                size: 1903MiB
                capacity: 1903MiB
                capabilities: multi journaled extended_attributes large_files recover ext3 ext2 initialized
                configuration: created=2022-10-24 13:17:54 filesystem=ext3 label=boot lastmountpoint=/boot modified=2023-06-08 13:54:17 mounted=2023-06-08 13:54:17 name=primary state=clean
           *-volume:2
                description: Linux swap volume
                vendor: Linux
                physical id: 3
                bus info: scsi@2:0.0.0,3
                logical name: /dev/sda3
                version: 1
                serial: 85bf6231-b1fe-4db1-967e-ffbefd5b9361
                size: 3814MiB
                capacity: 3814MiB
                capabilities: nofs swap initialized
                configuration: filesystem=swap name=primary pagesize=4095
           *-volume:3
                description: EXT4 volume
                vendor: Linux
                physical id: 4
                bus info: scsi@2:0.0.0,4
                logical name: /dev/sda4
                version: 1.0
                serial: 064b35a1-4af5-4711-a6cd-ca5361fae5a0
                size: 925GiB
                capacity: 925GiB
                capabilities: multi journaled extended_attributes large_files huge_files dir_nlink recover 64bit extents ext4 ext2 initialized
                configuration: created=2022-10-24 13:17:44 filesystem=ext4 label=root lastmountpoint=/ modified=2023-06-08 13:52:20 mounted=2023-06-08 13:52:24 name=primary state=clean
     *-scsi:1
          physical id: 9
          logical name: scsi3
          capabilities: emulated
        *-disk
             description: ATA Disk
             product: HGST HUS722T1TAL
             physical id: 0.0.0
             bus info: scsi@3:0.0.0
             logical name: /dev/sdb
             version: WA09
             serial: WCC6M2FJP6FH
             size: 931GiB (1TB)
             capabilities: gpt-1.00 partitioned partitioned:gpt
             configuration: ansiversion=5 guid=136cbe2c-fc6f-4689-8e5a-15da15cc426a logicalsectorsize=512 sectorsize=512
           *-volume:0
                description: BIOS Boot partition
                vendor: EFI
                physical id: 1
                bus info: scsi@3:0.0.0,1
                logical name: /dev/sdb1
                serial: ed5dd241-c1c0-4efd-b640-41a955b3fe7d
                capacity: 2047KiB
                capabilities: nofs
                configuration: name=primary
           *-volume:1
                description: EXT3 volume
                vendor: Linux
                physical id: 2
                bus info: scsi@3:0.0.0,2
                logical name: /dev/sdb2
                version: 1.0
                serial: 3ebe6f92-3da9-4fb3-8d22-2c360f3f478f
                size: 1903MiB
                capacity: 1903MiB
                capabilities: multi journaled extended_attributes large_files recover ext3 ext2 initialized
                configuration: created=2022-10-24 13:17:54 filesystem=ext3 label=boot lastmountpoint=/boot modified=2023-06-08 13:54:17 mounted=2023-06-08 13:54:17 name=primary state=clean
           *-volume:2
                description: Linux swap volume
                vendor: Linux
                physical id: 3
                bus info: scsi@3:0.0.0,3
                logical name: /dev/sdb3
                version: 1
                serial: c7f6ad2c-4907-4a2c-a5d1-40257c0a270e
                size: 3814MiB
                capacity: 3814MiB
                capabilities: nofs swap initialized
                configuration: filesystem=swap name=primary pagesize=4095
           *-volume:3
                description: EXT4 volume
                vendor: Linux
                physical id: 4
                bus info: scsi@3:0.0.0,4
                logical name: /dev/sdb4
                version: 1.0
                serial: 064b35a1-4af5-4711-a6cd-ca5361fae5a0
                size: 925GiB
                capacity: 925GiB
                capabilities: multi journaled extended_attributes large_files huge_files dir_nlink recover 64bit extents ext4 ext2 initialized
                configuration: created=2022-10-24 13:17:44 filesystem=ext4 label=root lastmountpoint=/ modified=2023-06-08 13:52:20 mounted=2023-06-08 13:52:24 name=primary state=clean
  *-network:0 DISABLED
       description: Ethernet interface
       physical id: 1
       bus info: usb@1:14.3
       logical name: usb0
       serial: 7e:ec:da:87:09:81
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=cdc_ether driverversion=5.15.0-73-generic duplex=half firmware=CDC Ethernet Device link=no multicast=yes port=twisted pair
  *-network:1
       description: Ethernet interface
       physical id: 2
       logical name: tape7e54df2
       serial: e6:22:b7:e2:1e:b5
       size: 10Mbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=yes multicast=yes port=twisted pair speed=10Mbit/s
  *-network:2
       description: Ethernet interface
       physical id: 3
       logical name: tape0617a45
       serial: c2:ad:f9:97:a2:2f
       size: 10Mbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=yes multicast=yes port=twisted pair speed=10Mbit/s
  *-network:3
       description: Ethernet interface
       physical id: 4
       logical name: veth6705568d
       serial: da:82:89:52:c0:bd
       size: 10Gbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=veth driverversion=1.0 duplex=full link=yes multicast=yes port=twisted pair speed=10Gbit/s
  *-network:4
       description: Ethernet interface
       physical id: 5
       logical name: tap1b939204
       serial: 22:3f:62:00:00:b7
       size: 10Mbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=yes multicast=yes port=twisted pair speed=10Mbit/s
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