Estou tendo um problema extremamente chato de resolver.
ALGUMAS VEZES, quando insiro algum dispositivo USB (Pendriver, sensor etc) ele cria o dispositivo corretamente, porém ao acessá-lo (escrita ou leitura) eu tomo um Oops no Kernel e o X cai, mostrando o stack trace do kernel, quando removo o dispositivo outro erro semelhante acontece seguidamente.
Ao tentar acessar o dispositivo:
Mar 20 13:08:08 darkside kernel: [ 4134.891741] usb 2-1.2: new full-speed USB device number 5 using ehci_hcd
Mar 20 13:08:08 darkside kernel: [ 4134.984727] ftdi_sio 2-1.2:1.0: FTDI USB Serial Device converter detected
Mar 20 13:08:08 darkside kernel: [ 4134.984798] usb 2-1.2: Detected FT232BM
Mar 20 13:08:08 darkside kernel: [ 4134.984803] usb 2-1.2: Number of endpoints 2
Mar 20 13:08:08 darkside kernel: [ 4134.984812] usb 2-1.2: Endpoint 1 MaxPacketSize 64
Mar 20 13:08:08 darkside kernel: [ 4134.984814] usb 2-1.2: Endpoint 2 MaxPacketSize 64
Mar 20 13:08:08 darkside kernel: [ 4134.984816] usb 2-1.2: Setting MaxPacketSize 64
Mar 20 13:08:08 darkside kernel: [ 4134.985295] usb 2-1.2: FTDI USB Serial Device converter now attached to ttyUSB0
Mar 20 13:08:27 darkside kernel: [ 4154.007404] ------------[ cut here ]------------
Mar 20 13:08:27 darkside kernel: [ 4154.007441] kernel BUG at mm/slub.c:3427!
Mar 20 13:08:27 darkside kernel: [ 4154.007460] invalid opcode: 0000 [#1] PREEMPT SMP
Mar 20 13:08:27 darkside kernel: [ 4154.007494] CPU 3
Mar 20 13:08:27 darkside kernel: [ 4154.007504] Modules linked in: ftdi_sio fuse aes_x86_64 cryptd aes_generic radeon vboxnetadp(O) vboxnetflt(O) vboxdrv(O) coretemp ext4 jbd2 mbcache st option usb_wwan usbserial usbhid ipw2200 libipw lib80211 snd_pcm_oss snd_mixer_oss output snd_hda_codec_hdmi shpchp pci_hotplug arc4 uvcvideo videodev v4l2_compat_ioctl32 media i2c_algo_bit hid ttm drm_kms_helper drm snd_hda_codec_realtek broadcom snd_hda_intel tpm_tis tpm tpm_bios iwlwifi btusb ehci_hcd snd_hda_codec joydev bluetooth mac80211 snd_hwdep snd_pcm snd_page_alloc snd_timer snd i2c_i801 mei(C) tg3 dell_wmi sparse_keymap cfg80211 intel_agp crc16 usbcore dell_laptop intel_gtt soundcore iTCO_wdt rfkill intel_ips usb_common libphy dcdbas i2c_core serio_raw iTCO_vendor_support pcspkr evdev wmi psmouse video thermal fan button processor battery ac reiserfs sr_mod cdrom sd_mod ahci libahci libata scsi_mod
Mar 20 13:08:27 darkside kernel: [ 4154.008454]
Mar 20 13:08:27 darkside kernel: [ 4154.008472] Pid: 2959, comm: python2 Tainted: G C O 3.2.11-1-ARCH #1 Dell Inc. Studio 1458/
Mar 20 13:08:27 darkside kernel: [ 4154.008560] RIP: 0010:[<ffffffff8115127e>] [<ffffffff8115127e>] kfree+0x16e/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.008633] RSP: 0018:ffff880154117c88 EFLAGS: 00010246
Mar 20 13:08:27 darkside kernel: [ 4154.008679] RAX: 0200000000000000 RBX: ffff880100000000 RCX: 0000000180150001
Mar 20 13:08:27 darkside kernel: [ 4154.008737] RDX: ffffffff7fffffff RSI: ffff880154117fd8 RDI: ffff880100000000
Mar 20 13:08:27 darkside kernel: [ 4154.008795] RBP: ffff880154117cb8 R08: ffffea0004000000 R09: ffff880154117fd8
Mar 20 13:08:27 darkside kernel: [ 4154.008853] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000040
Mar 20 13:08:27 darkside kernel: [ 4154.008911] R13: 0000000000000202 R14: ffffffffa00f15c7 R15: 0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.008970] FS: 00007f0ba0d64700(0000) GS:ffff8801bbd80000(0000) knlGS:0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.009036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 20 13:08:27 darkside kernel: [ 4154.009083] CR2: 00007f16ad3ee000 CR3: 00000001305f3000 CR4: 00000000000006e0
Mar 20 13:08:27 darkside kernel: [ 4154.009141] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.009199] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 20 13:08:27 darkside kernel: [ 4154.009258] Process python2 (pid: 2959, threadinfo ffff880154116000, task ffff8801b10cb900)
Mar 20 13:08:27 darkside kernel: [ 4154.009324] Stack:
Mar 20 13:08:27 darkside kernel: [ 4154.009343] ffff880100000000 0000000000000001 0000000000000040 0000000000000202
Mar 20 13:08:27 darkside kernel: [ 4154.009418] ffff880100000000 0000000000000000 ffff880154117d28 ffffffffa00f15c7
Mar 20 13:08:27 darkside kernel: [ 4154.009493] ffff880154117d18 ffffffff00000000 8000050054117ce8 ffff88013cb36000
Mar 20 13:08:27 darkside kernel: [ 4154.009569] Call Trace:
Mar 20 13:08:27 darkside kernel: [ 4154.009608] [<ffffffffa00f15c7>] usb_control_msg+0xf7/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.009649] [<ffffffffa04d856e>] update_mctrl+0x10e/0x240 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.009676] [<ffffffffa04d86de>] ftdi_tiocmset+0x3e/0x70 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.009704] [<ffffffffa042b176>] serial_tiocmset+0x56/0xa0 [usbserial]
Mar 20 13:08:27 darkside kernel: [ 4154.009735] [<ffffffff812d5497>] tty_ioctl+0x207/0xbc0
Mar 20 13:08:27 darkside kernel: [ 4154.009783] [<ffffffff8104f433>] ? __wake_up+0x53/0x70
Mar 20 13:08:27 darkside kernel: [ 4154.009831] [<ffffffff811a59f2>] ? fsnotify+0x1c2/0x2a0
Mar 20 13:08:27 darkside kernel: [ 4154.009879] [<ffffffff8101d6e9>] ? read_tsc+0x9/0x20
Mar 20 13:08:27 darkside kernel: [ 4154.009924] [<ffffffff810927dd>] ? ktime_get_ts+0xad/0xe0
Mar 20 13:08:27 darkside kernel: [ 4154.009974] [<ffffffff811799ff>] do_vfs_ioctl+0x8f/0x500
Mar 20 13:08:27 darkside kernel: [ 4154.010021] [<ffffffff81179f01>] sys_ioctl+0x91/0xa0
Mar 20 13:08:27 darkside kernel: [ 4154.010067] [<ffffffff8145ddc2>] system_call_fastpath+0x16/0x1b
Mar 20 13:08:27 darkside kernel: [ 4154.010116] Code: ff ff 4c 89 c9 48 89 da 4c 89 c6 e8 39 4e 30 00 e9 52 ff ff ff 49 f7 00 00 c0 00 00 74 0d 4c 89 c7 e8 67 18 fc ff e9 3c ff ff ff <0f> 0b 55 48 89 e5 53 48 83 ec 08 66 66 66 66 90 48 89 fb 48 8b
Mar 20 13:08:27 darkside kernel: [ 4154.010538] RIP [<ffffffff8115127e>] kfree+0x16e/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.010587] RSP <ffff880154117c88>
Mar 20 13:08:27 darkside kernel: [ 4154.021941] ---[ end trace 6242af32c8a0fc47 ]---
Mar 20 13:08:27 darkside kernel: [ 4154.022758] BUG: unable to handle kernel paging request at ffffffff00000000
Mar 20 13:08:27 darkside kernel: [ 4154.022798] IP: [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:27 darkside kernel: [ 4154.022833] PGD 1807067 PUD 0
Mar 20 13:08:27 darkside kernel: [ 4154.022855] Oops: 0000 [#2] PREEMPT SMP
Mar 20 13:08:27 darkside kernel: [ 4154.022885] CPU 1
Mar 20 13:08:27 darkside kernel: [ 4154.022895] Modules linked in: ftdi_sio fuse aes_x86_64 cryptd aes_generic radeon vboxnetadp(O) vboxnetflt(O) vboxdrv(O) coretemp ext4 jbd2 mbcache st option usb_wwan usbserial usbhid ipw2200 libipw lib80211 snd_pcm_oss snd_mixer_oss output snd_hda_codec_hdmi shpchp pci_hotplug arc4 uvcvideo videodev v4l2_compat_ioctl32 media i2c_algo_bit hid ttm drm_kms_helper drm snd_hda_codec_realtek broadcom snd_hda_intel tpm_tis tpm tpm_bios iwlwifi btusb ehci_hcd snd_hda_codec joydev bluetooth mac80211 snd_hwdep snd_pcm snd_page_alloc snd_timer snd i2c_i801 mei(C) tg3 dell_wmi sparse_keymap cfg80211 intel_agp crc16 usbcore dell_laptop intel_gtt soundcore iTCO_wdt rfkill intel_ips usb_common libphy dcdbas i2c_core serio_raw iTCO_vendor_support pcspkr evdev wmi psmouse video thermal fan button processor battery ac reiserfs sr_mod cdrom sd_mod ahci libahci libata scsi_mod
Mar 20 13:08:27 darkside kernel: [ 4154.023487]
Mar 20 13:08:27 darkside kernel: [ 4154.026127] Pid: 2959, comm: python2 Tainted: G D C O 3.2.11-1-ARCH #1 Dell Inc. Studio 1458/
Mar 20 13:08:27 darkside kernel: [ 4154.029772] RIP: 0010:[<ffffffff81151f3d>] [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:27 darkside kernel: [ 4154.033257] RSP: 0018:ffff8801541175f8 EFLAGS: 00010286
Mar 20 13:08:27 darkside kernel: [ 4154.036700] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000001fc281
Mar 20 13:08:27 darkside kernel: [ 4154.040067] RDX: 00000000001fc241 RSI: 00000000000161c0 RDI: ffffffffa00f1528
Mar 20 13:08:27 darkside kernel: [ 4154.043205] RBP: ffff880154117648 R08: 0000000000000300 R09: 0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.045131] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff00000000
Mar 20 13:08:27 darkside kernel: [ 4154.048219] R13: ffff8801b5002400 R14: ffff8801304b63c0 R15: 0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.051344] FS: 00007f0ba0d64700(0000) GS:ffff8801bbc80000(0000) knlGS:0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.054397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 20 13:08:27 darkside kernel: [ 4154.057488] CR2: ffffffff00000000 CR3: 0000000001805000 CR4: 00000000000006e0
Mar 20 13:08:27 darkside kernel: [ 4154.060750] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 20 13:08:27 darkside kernel: [ 4154.063756] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 20 13:08:27 darkside kernel: [ 4154.066735] Process python2 (pid: 2959, threadinfo ffff880154116000, task ffff8801b10cb900)
Mar 20 13:08:27 darkside kernel: [ 4154.069743] Stack:
Mar 20 13:08:27 darkside kernel: [ 4154.072734] ffff880154117fd8 0000000000000008 0000000000000200 000000109fe486c0
Mar 20 13:08:27 darkside kernel: [ 4154.074858] ffff880154117638 0000000000000001 0000000000000040 0000000000000300
Mar 20 13:08:27 darkside kernel: [ 4154.077533] ffff8801304b63c0 0000000000000000 ffff8801541176b8 ffffffffa00f1528
Mar 20 13:08:27 darkside kernel: [ 4154.080634] Call Trace:
Mar 20 13:08:27 darkside kernel: [ 4154.083684] [<ffffffffa00f1528>] usb_control_msg+0x58/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.086787] [<ffffffff81151263>] ? kfree+0x153/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.090036] [<ffffffffa04d856e>] update_mctrl+0x10e/0x240 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.093110] [<ffffffffa04d8ee0>] ftdi_dtr_rts+0xd0/0xf0 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.096105] [<ffffffffa042b083>] serial_dtr_rts+0x23/0x30 [usbserial]
Mar 20 13:08:27 darkside kernel: [ 4154.099076] [<ffffffff812dca71>] tty_port_close_start+0x131/0x210
Mar 20 13:08:27 darkside kernel: [ 4154.102040] [<ffffffff812dd340>] tty_port_close+0x20/0x60
Mar 20 13:08:27 darkside kernel: [ 4154.104522] [<ffffffffa042b802>] serial_close+0x42/0x80 [usbserial]
Mar 20 13:08:27 darkside kernel: [ 4154.106322] [<ffffffff812d45f9>] tty_release+0x169/0x5c0
Mar 20 13:08:27 darkside kernel: [ 4154.109117] [<ffffffff8145bb6e>] ? mutex_unlock+0xe/0x10
Mar 20 13:08:27 darkside kernel: [ 4154.112135] [<ffffffff8116924a>] fput+0xda/0x210
Mar 20 13:08:27 darkside kernel: [ 4154.115062] [<ffffffff81165a36>] filp_close+0x66/0x90
Mar 20 13:08:27 darkside kernel: [ 4154.118089] [<ffffffff81069a50>] put_files_struct+0xa0/0x110
Mar 20 13:08:27 darkside kernel: [ 4154.121260] [<ffffffff81069b82>] exit_files+0x52/0x60
Mar 20 13:08:27 darkside kernel: [ 4154.124162] [<ffffffff8106a05e>] do_exit+0x18e/0x8e0
Mar 20 13:08:27 darkside kernel: [ 4154.127100] [<ffffffff81067dd1>] ? kmsg_dump+0xb1/0xe0
Mar 20 13:08:27 darkside kernel: [ 4154.129855] [<ffffffff8101900a>] oops_end+0xaa/0xf0
Mar 20 13:08:27 darkside kernel: [ 4154.132743] [<ffffffff810191a8>] die+0x58/0x90
Mar 20 13:08:27 darkside kernel: [ 4154.135227] [<ffffffff81015d34>] do_trap+0xc4/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.137241] [<ffffffffa00f15c7>] ? usb_control_msg+0xf7/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.140215] [<ffffffffa00f15c7>] ? usb_control_msg+0xf7/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.143221] [<ffffffff81016045>] do_invalid_op+0x95/0xb0
Mar 20 13:08:27 darkside kernel: [ 4154.146016] [<ffffffff8115127e>] ? kfree+0x16e/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.148745] [<ffffffffa00f0120>] ? usb_free_urb+0x20/0x20 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.151511] [<ffffffffa00f0148>] ? urb_destroy+0x28/0x30 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.154132] [<ffffffff8145fdab>] invalid_op+0x1b/0x20
Mar 20 13:08:27 darkside kernel: [ 4154.156691] [<ffffffffa00f15c7>] ? usb_control_msg+0xf7/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.159244] [<ffffffff8115127e>] ? kfree+0x16e/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.161783] [<ffffffff8115114b>] ? kfree+0x3b/0x170
Mar 20 13:08:27 darkside kernel: [ 4154.164314] [<ffffffffa00f15c7>] usb_control_msg+0xf7/0x120 [usbcore]
Mar 20 13:08:27 darkside kernel: [ 4154.166093] [<ffffffffa04d856e>] update_mctrl+0x10e/0x240 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.167868] [<ffffffffa04d86de>] ftdi_tiocmset+0x3e/0x70 [ftdi_sio]
Mar 20 13:08:27 darkside kernel: [ 4154.170266] [<ffffffffa042b176>] serial_tiocmset+0x56/0xa0 [usbserial]
Mar 20 13:08:27 darkside kernel: [ 4154.172659] [<ffffffff812d5497>] tty_ioctl+0x207/0xbc0
Mar 20 13:08:27 darkside kernel: [ 4154.174864] [<ffffffff8104f433>] ? __wake_up+0x53/0x70
Mar 20 13:08:27 darkside kernel: [ 4154.176966] [<ffffffff811a59f2>] ? fsnotify+0x1c2/0x2a0
Mar 20 13:08:27 darkside kernel: [ 4154.179148] [<ffffffff8101d6e9>] ? read_tsc+0x9/0x20
Mar 20 13:08:27 darkside kernel: [ 4154.181257] [<ffffffff810927dd>] ? ktime_get_ts+0xad/0xe0
Mar 20 13:08:27 darkside kernel: [ 4154.183353] [<ffffffff811799ff>] do_vfs_ioctl+0x8f/0x500
Mar 20 13:08:27 darkside kernel: [ 4154.185301] [<ffffffff81179f01>] sys_ioctl+0x91/0xa0
Mar 20 13:08:27 darkside kernel: [ 4154.187236] [<ffffffff8145ddc2>] system_call_fastpath+0x16/0x1b
Mar 20 13:08:27 darkside kernel: [ 4154.189168] Code: 55 b8 49 8b 45 00 65 48 03 04 25 e8 d9 00 00 48 8b 50 08 4c 8b 20 4d 85 e4 0f 84 f7 00 00 00 49 63 45 20 49 8b 75 00 48 8d 4a 40 <49> 8b 1c 04 4c 89 e0 65 48 0f c7 0e 0f 94 c0 84 c0 74 c4 4d 85
Mar 20 13:08:27 darkside kernel: [ 4154.193805] RIP [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:27 darkside kernel: [ 4154.195826] RSP <ffff8801541175f8>
Mar 20 13:08:27 darkside kernel: [ 4154.197214] CR2: ffffffff00000000
Mar 20 13:08:27 darkside kernel: [ 4154.199293] ---[ end trace 6242af32c8a0fc48 ]---
Mar 20 13:08:27 darkside kernel: [ 4154.199298] Fixing recursive fault but reboot is needed!
Depois quando removi o dispositivo:
Mar 20 13:08:30 darkside kernel: [ 4156.920505] BUG: unable to handle kernel paging request at ffffffff00000000
Mar 20 13:08:30 darkside kernel: [ 4156.922793] IP: [<ffffffff81152427>] __kmalloc+0x67/0x1a0
Mar 20 13:08:30 darkside kernel: [ 4156.924560] PGD 1807067 PUD 0
Mar 20 13:08:30 darkside kernel: [ 4156.925952] Oops: 0000 [#3] PREEMPT SMP
Mar 20 13:08:30 darkside kernel: [ 4156.927397] CPU 1
Mar 20 13:08:30 darkside kernel: [ 4156.927416] Modules linked in: ftdi_sio fuse aes_x86_64 cryptd aes_generic radeon vboxnetadp(O) vboxnetflt(O) vboxdrv(O) coretemp ext4 jbd2 mbcache st option usb_wwan usbserial usbhid ipw2200 libipw lib80211 snd_pcm_oss snd_mixer_oss output snd_hda_codec_hdmi shpchp pci_hotplug arc4 uvcvideo videodev v4l2_compat_ioctl32 media i2c_algo_bit hid ttm drm_kms_helper drm snd_hda_codec_realtek broadcom snd_hda_intel tpm_tis tpm tpm_bios iwlwifi btusb ehci_hcd snd_hda_codec joydev bluetooth mac80211 snd_hwdep snd_pcm snd_page_alloc snd_timer snd i2c_i801 mei(C) tg3 dell_wmi sparse_keymap cfg80211 intel_agp crc16 usbcore dell_laptop intel_gtt soundcore iTCO_wdt rfkill intel_ips usb_common libphy dcdbas i2c_core serio_raw iTCO_vendor_support pcspkr evdev wmi psmouse video thermal fan button processor battery ac reiserfs sr_mod cdrom sd_mod ahci libahci libata scsi_mod
Mar 20 13:08:30 darkside kernel: [ 4156.938811]
Mar 20 13:08:30 darkside kernel: [ 4156.941374] Pid: 899, comm: upowerd Tainted: G D C O 3.2.11-1-ARCH #1 Dell Inc. Studio 1458/
Mar 20 13:08:30 darkside kernel: [ 4156.944076] RIP: 0010:[<ffffffff81152427>] [<ffffffff81152427>] __kmalloc+0x67/0x1a0
Mar 20 13:08:30 darkside kernel: [ 4156.946754] RSP: 0018:ffff8801a9787bc8 EFLAGS: 00010286
Mar 20 13:08:30 darkside kernel: [ 4156.949416] RAX: 0000000000000000 RBX: ffff8801a9787cf0 RCX: 00000000001fc281
Mar 20 13:08:30 darkside kernel: [ 4156.952131] RDX: 00000000001fc241 RSI: 00000000000161c0 RDI: ffffffff812aa0de
Mar 20 13:08:30 darkside kernel: [ 4156.954671] RBP: ffff8801a9787c18 R08: 0000000000000000 R09: ffff880171521ac0
Mar 20 13:08:30 darkside kernel: [ 4156.956356] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff00000000
Mar 20 13:08:30 darkside kernel: [ 4156.958056] R13: ffff8801b5002400 R14: 0000000000000008 R15: ffff880171521ac0
Mar 20 13:08:30 darkside kernel: [ 4156.959714] FS: 00007f2fd32d1700(0000) GS:ffff8801bbc80000(0000) knlGS:0000000000000000
Mar 20 13:08:30 darkside kernel: [ 4156.961403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 20 13:08:30 darkside kernel: [ 4156.963165] CR2: ffffffff00000000 CR3: 00000001a91f2000 CR4: 00000000000006e0
Mar 20 13:08:30 darkside kernel: [ 4156.965337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 20 13:08:30 darkside kernel: [ 4156.967998] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 20 13:08:30 darkside kernel: [ 4156.970828] Process upowerd (pid: 899, threadinfo ffff8801a9786000, task ffff8801a9790000)
Mar 20 13:08:30 darkside kernel: [ 4156.973699] Stack:
Mar 20 13:08:30 darkside kernel: [ 4156.976520] 2222222222222222 2222222222222222 2222222222222222 000080d08184cac0
Mar 20 13:08:30 darkside kernel: [ 4156.979417] ffff8801a9787c68 ffff8801a9787cf0 0000000000000000 ffff880171521ae0
Mar 20 13:08:30 darkside kernel: [ 4156.982346] ffff8801a9787db8 ffff880171521ac0 ffff8801a9787c78 ffffffff812aa0de
Mar 20 13:08:30 darkside kernel: [ 4156.985282] Call Trace:
Mar 20 13:08:30 darkside kernel: [ 4156.987113] [<ffffffff812aa0de>] acpi_ns_internalize_name+0x5e/0x9f
Mar 20 13:08:30 darkside kernel: [ 4156.988995] [<ffffffff812aa3e1>] acpi_ns_get_node+0x45/0xac
Mar 20 13:08:30 darkside kernel: [ 4156.990796] [<ffffffff811d9bb0>] ? sysfs_notify+0xa0/0xa0
Mar 20 13:08:30 darkside kernel: [ 4156.992657] [<ffffffff81152023>] ? kmem_cache_alloc_trace+0x133/0x160
Mar 20 13:08:30 darkside kernel: [ 4156.994603] [<ffffffff812a994b>] acpi_ns_evaluate+0x43/0x1aa
Mar 20 13:08:30 darkside kernel: [ 4156.997192] [<ffffffff812a9029>] acpi_evaluate_object+0x159/0x252
Mar 20 13:08:30 darkside kernel: [ 4157.000155] [<ffffffffa00793fa>] acpi_battery_get_state+0x8a/0x171 [battery]
Mar 20 13:08:30 darkside kernel: [ 4157.003227] [<ffffffffa0079510>] acpi_battery_get_property+0x2f/0x1d1 [battery]
Mar 20 13:08:30 darkside kernel: [ 4157.003238] [<ffffffff81331f23>] power_supply_show_property+0x53/0x190
Mar 20 13:08:30 darkside kernel: [ 4157.003246] [<ffffffff813049d0>] dev_attr_show+0x20/0x60
Mar 20 13:08:30 darkside kernel: [ 4157.003256] [<ffffffff8110a19e>] ? __get_free_pages+0xe/0x40
Mar 20 13:08:30 darkside kernel: [ 4157.003265] [<ffffffff811d9efa>] sysfs_read_file+0xaa/0x180
Mar 20 13:08:30 darkside kernel: [ 4157.003275] [<ffffffff811678ac>] vfs_read+0xac/0x180
Mar 20 13:08:30 darkside kernel: [ 4157.003281] [<ffffffff811679ca>] sys_read+0x4a/0x90
Mar 20 13:08:30 darkside kernel: [ 4157.003290] [<ffffffff8145ddc2>] system_call_fastpath+0x16/0x1b
Mar 20 13:08:30 darkside kernel: [ 4157.003295] Code: 7d 08 49 8b 45 00 65 48 03 04 25 e8 d9 00 00 48 8b 50 08 4c 8b 20 4d 85 e4 0f 84 05 01 00 00 49 63 45 20 49 8b 75 00 48 8d 4a 40 <49> 8b 1c 04 4c 89 e0 65 48 0f c7 0e 0f 94 c0 84 c0 74 c4 4d 85
Mar 20 13:08:30 darkside kernel: [ 4157.003348] RIP [<ffffffff81152427>] __kmalloc+0x67/0x1a0
Mar 20 13:08:30 darkside kernel: [ 4157.003357] RSP <ffff8801a9787bc8>
Mar 20 13:08:30 darkside kernel: [ 4157.003360] CR2: ffffffff00000000
Mar 20 13:08:30 darkside kernel: [ 4157.003365] ---[ end trace 6242af32c8a0fc49 ]---
Mar 20 13:08:37 darkside kernel: [ 4163.960498] BUG: unable to handle kernel paging request at ffffffff00000000
Mar 20 13:08:37 darkside kernel: [ 4163.963512] IP: [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:37 darkside kernel: [ 4163.966519] PGD 1807067 PUD 0
Mar 20 13:08:37 darkside kernel: [ 4163.969505] Oops: 0000 [#4] PREEMPT SMP
Mar 20 13:08:37 darkside kernel: [ 4163.972494] CPU 1
Mar 20 13:08:37 darkside kernel: [ 4163.972513] Modules linked in: ftdi_sio fuse aes_x86_64 cryptd aes_generic radeon vboxnetadp(O) vboxnetflt(O) vboxdrv(O) coretemp ext4 jbd2 mbcache st option usb_wwan usbserial usbhid ipw2200 libipw lib80211 snd_pcm_oss snd_mixer_oss output snd_hda_codec_hdmi shpchp pci_hotplug arc4 uvcvideo videodev v4l2_compat_ioctl32 media i2c_algo_bit hid ttm drm_kms_helper drm snd_hda_codec_realtek broadcom snd_hda_intel tpm_tis tpm tpm_bios iwlwifi btusb ehci_hcd snd_hda_codec joydev bluetooth mac80211 snd_hwdep snd_pcm snd_page_alloc snd_timer snd i2c_i801 mei(C) tg3 dell_wmi sparse_keymap cfg80211 intel_agp crc16 usbcore dell_laptop intel_gtt soundcore iTCO_wdt rfkill intel_ips usb_common libphy dcdbas i2c_core serio_raw iTCO_vendor_support pcspkr evdev wmi psmouse video thermal fan button processor battery ac reiserfs sr_mod cdrom sd_mod ahci libahci libata scsi_mod
Mar 20 13:08:37 darkside kernel: [ 4163.986530]
Mar 20 13:08:37 darkside kernel: [ 4163.989997] Pid: 246, comm: khubd Tainted: G D C O 3.2.11-1-ARCH #1 Dell Inc. Studio 1458/
Mar 20 13:08:37 darkside kernel: [ 4163.990005] RIP: 0010:[<ffffffff81151f3d>] [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:37 darkside kernel: [ 4163.990020] RSP: 0018:ffff8801acb59c70 EFLAGS: 00010286
Mar 20 13:08:37 darkside kernel: [ 4163.990025] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000001fc281
Mar 20 13:08:37 darkside kernel: [ 4163.990030] RDX: 00000000001fc241 RSI: 00000000000161c0 RDI: ffffffffa00f1528
Mar 20 13:08:37 darkside kernel: [ 4163.990035] RBP: ffff8801acb59cc0 R08: 0000000000000000 R09: 0000000000000002
Mar 20 13:08:37 darkside kernel: [ 4163.990039] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff00000000
Mar 20 13:08:37 darkside kernel: [ 4163.990044] R13: ffff8801b5002400 R14: ffff8801aace1e00 R15: 0000000000000004
Mar 20 13:08:37 darkside kernel: [ 4163.990051] FS: 0000000000000000(0000) GS:ffff8801bbc80000(0000) knlGS:0000000000000000
Mar 20 13:08:37 darkside kernel: [ 4163.990056] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Mar 20 13:08:37 darkside kernel: [ 4163.990061] CR2: ffffffff00000000 CR3: 0000000001805000 CR4: 00000000000006e0
Mar 20 13:08:37 darkside kernel: [ 4163.990066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 20 13:08:37 darkside kernel: [ 4163.990071] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 20 13:08:37 darkside kernel: [ 4163.990077] Process khubd (pid: 246, threadinfo ffff8801acb58000, task ffff8801b119c020)
Mar 20 13:08:37 darkside kernel: [ 4163.990081] Stack:
Mar 20 13:08:37 darkside kernel: [ 4163.990084] 0000000000000000 0000000000000008 ffff8801acb59cc0 00000010aace1e30
Mar 20 13:08:37 darkside kernel: [ 4163.990093] ffff8801acb59d10 0000000000000000 00000000000000a3 0000000000000000
Mar 20 13:08:37 darkside kernel: [ 4163.990100] ffff8801aace1e00 0000000000000004 ffff8801acb59d30 ffffffffa00f1528
Mar 20 13:08:37 darkside kernel: [ 4163.990108] Call Trace:
Mar 20 13:08:37 darkside kernel: [ 4163.990146] [<ffffffffa00f1528>] usb_control_msg+0x58/0x120 [usbcore]
Mar 20 13:08:37 darkside kernel: [ 4163.990161] [<ffffffffa00e7c9f>] hub_port_status+0x7f/0x110 [usbcore]
Mar 20 13:08:37 darkside kernel: [ 4163.990172] [<ffffffff81312cfa>] ? __pm_runtime_resume+0x5a/0x70
Mar 20 13:08:37 darkside kernel: [ 4163.990187] [<ffffffffa00eba92>] hub_thread+0x252/0x12d0 [usbcore]
Mar 20 13:08:37 darkside kernel: [ 4163.990198] [<ffffffff81088d70>] ? abort_exclusive_wait+0xb0/0xb0
Mar 20 13:08:37 darkside kernel: [ 4163.990219] [<ffffffffa00eb840>] ? usb_remote_wakeup+0x40/0x40 [usbcore]
Mar 20 13:08:37 darkside kernel: [ 4163.990229] [<ffffffff8108842c>] kthread+0x8c/0xa0
Mar 20 13:08:37 darkside kernel: [ 4163.990240] [<ffffffff8145ff34>] kernel_thread_helper+0x4/0x10
Mar 20 13:08:37 darkside kernel: [ 4163.990247] [<ffffffff810883a0>] ? kthread_worker_fn+0x190/0x190
Mar 20 13:08:37 darkside kernel: [ 4163.990253] [<ffffffff8145ff30>] ? gs_change+0x13/0x13
Mar 20 13:08:37 darkside kernel: [ 4163.990257] Code: 55 b8 49 8b 45 00 65 48 03 04 25 e8 d9 00 00 48 8b 50 08 4c 8b 20 4d 85 e4 0f 84 f7 00 00 00 49 63 45 20 49 8b 75 00 48 8d 4a 40 <49> 8b 1c 04 4c 89 e0 65 48 0f c7 0e 0f 94 c0 84 c0 74 c4 4d 85
Mar 20 13:08:37 darkside kernel: [ 4163.990304] RIP [<ffffffff81151f3d>] kmem_cache_alloc_trace+0x4d/0x160
Mar 20 13:08:37 darkside kernel: [ 4163.990312] RSP <ffff8801acb59c70>
Mar 20 13:08:37 darkside kernel: [ 4163.990315] CR2: ffffffff00000000
Mar 20 13:08:37 darkside kernel: [ 4163.990320] ---[ end trace 6242af32c8a0fc4a ]---