wlan disappeared

Beco

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Aug 5, 2015, 10:30:04 PM8/5/15

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Hi guys,

Something odd happened today, on my first clean boot of the day.

(notebook DELL vostro v131)

Simply, no wlan0 at all.

$ ifconfig -a #shows only eth0 and lo.
$ lspci #shows no wifi at all (should be a Intel Centrino Wireless-N 1030 BGN Rev=0xB0)
$ lshw -C Network #shows only eth0

$ rfkill list #shows nothing

I checked all logs, no error. dmesg, syslog, kernelog, messages... (what else?)

It simply disappeared out of the blue.

I bought a usb wifi dongle to work a bit, and its working fine as wlan2.

But well... What can I do, or check? Maybe try to recreate the interface.

I tried
$ rmmod iwlwifi
$ modprobe iwlwifi
but nothing seems to bring it back.

Also, old dmesg shows (when it was working) that the driver should be:

/lib/firmware/iwlwifi-6000g2b-6.ucode, version 18.168.6.1

I found this driver related to

* Intel Wireless 6005/6205 firmware, version 18.168.6.1
* Intel Wireless 6030 firmware, version 18.168.6.1

Not the Wireless-N 1030. Why it was working on what seemed to be the wrong firmware? Why it disappeared now?

The driver

* Intel Wireless 1000 firmware, version 39.31.5.1
(iwlwifi-1000-5.ucode)

will work with intel Wireless-N 1030 BGN?

How could I test it? Because modprobe do not select the driver.

Thanks any help.

Beco

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bri...@aracnet.com

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Aug 6, 2015, 12:10:05 AM8/6/15

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On Wed, 5 Aug 2015 23:23:35 -0300
Beco <r...@beco.cc> wrote:

> Hi guys,
>
> Something odd happened today, on my first clean boot of the day.
> (notebook DELL vostro v131)
>
> Simply, no wlan0 at all.
>

there is often a hardware switch which disables WLAN.

Is it possible that it's been turned off ?

lspci should _absolutely_ show it's existence regardless of whether or not the drivers have been loaded. Either it's off, if it's a separate card it's come loose/disconnected, or if it's on-board then you probably have a hardware failure.

Brian

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Beco

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Aug 6, 2015, 12:40:03 AM8/6/15

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On 6 August 2015 at 01:04, <bri...@aracnet.com> wrote:

On Wed, 5 Aug 2015 23:23:35 -0300
Beco <r...@beco.cc> wrote:

> Hi guys,
>
> Something odd happened today, on my first clean boot of the day.
> (notebook DELL vostro v131)
>
> Simply, no wlan0 at all.
>

there is often a hardware switch which disables WLAN.

Is it possible that it's been turned off ?

lspci should _absolutely_ show it's existence regardless of whether or not the drivers have been loaded. Either it's off, if it's a separate card it's come loose/disconnected, or if it's on-board then you probably have a hardware failure.

Brian

Hi Brian,

Thanks for trying to make sense of this mess.

This notebook has onboard wifi, no "physical" switch, but a combination of keys FN+F2 that would supposedly turn it on or off. This combination never worked since day one of all older debians I started with, and I never used it. But since you mentioned, I tried some keystrokes, no luck though.

Let me put lspci here. Maybe I'm mistaken.

lspci shows:

# lspci

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)

00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)

00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)

00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)

00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)

00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)

00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)

00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5)

00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b5)

00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)

00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC Controller (rev 05)

00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)

00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)

05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)

0b:00.0 USB controller: Texas Instruments TUSB73x0 SuperSpeed USB 3.0 xHCI Host Controller (rev 02)

As you can see... No wifi there.

I also read carefully lshw again. Nope. Nothing.

Thanks,

Beco

bri...@aracnet.com

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Aug 6, 2015, 1:00:04 AM8/6/15

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On Thu, 6 Aug 2015 01:29:50 -0300
Beco <r...@beco.cc> wrote:

> Hi Brian,
>
> Thanks for trying to make sense of this mess.
>
> This notebook has onboard wifi, no "physical" switch, but a combination of
> keys FN+F2 that would supposedly turn it on or off. This combination never
> worked since day one of all older debians I started with, and I never used
> it. But since you mentioned, I tried some keystrokes, no luck though.

oh ok- i know what you are talking about.

i forgot to ask an important question, although i'm sure you would have mentioned it. you can't boot into Windows on this machine, right ?

>
> Let me put lspci here. Maybe I'm mistaken.

you don't appear to be mistaken.

that's just weird.

Sure seems like a hardware failure.

oh- one other thing to try. boot up into BIOS and see if there's anything at all in there about your WLAN hardware.

Brian

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Beco

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Aug 6, 2015, 1:30:05 AM8/6/15

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On 6 August 2015 at 01:54, <bri...@aracnet.com> wrote:

i forgot to ask an important question, although i'm sure you would have mentioned it. you can't boot into Windows on this machine, right ?

No windows near me in any machine. :)

Sure seems like a hardware failure.

I'm starting to think that also. But today this notebook is so weird, I don't know. I'm still puzzled. Maybe something debian-related, you know. These Debian Jessie 8.0 and 8.1 are a bit unstable to my taste. I hope we move on soon to 8.2.(*)

oh- one other thing to try. boot up into BIOS and see if there's anything at all in there about your WLAN hardware.

Earlier today I picked at BIOS to see if there was something there I could change. The only reference to network there is to select where to boot from.

But I'll double check to be sure.

Tx.,

Beco.

PS. Or Debian Stretch, see my ascii-art for it (in monospaced font, please):

_\O/_

</|\

Beco

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Aug 6, 2015, 5:50:05 AM8/6/15

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On 6 August 2015 at 02:28, Beco <r...@beco.cc> wrote:
Earlier today I picked at BIOS to see if there was something there I could change. The only reference to network there is to select where to boot from.

But I'll double check to be sure.

Ok, I got some results.

I found on BIOS an option to disable NIC, and I did. Booted to see:

# lspci -v

09:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 [Rainbow Peak] (rev 34)

Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN

Flags: bus master, fast devsel, latency 0, IRQ 50

Memory at f7e00000 (64-bit, non-prefetchable) [size=8K]

Capabilities: [c8] Power Management version 3

Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+

Capabilities: [e0] Express Endpoint, MSI 00

Capabilities: [100] Advanced Error Reporting

Capabilities: [140] Device Serial Number 4c-eb-42-ff-ff-7b-a0-16

Kernel driver in use: iwlwifi

# rfkill list

0: phy0: Wireless LAN

Soft blocked: no

Hard blocked: yes

Booted again, enabled and things got very weird.

First, the FN+F2 key started working just as rffill block/unblock. So I unblocked it.

At start, the network worked for a minute. I thought that all would be good. But then, NetworkManager told me "wifi connection deactivated".

So I run some tests:

dmesg

[Thu Aug 6 05:17:50 2015] iwlwifi 0000:09:00.0: firmware: direct-loading firmware iwlwifi-6000g2b-6.ucode

[Thu Aug 6 05:17:50 2015] iwlwifi 0000:09:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Error sending REPLY_TXFIFO_FLUSH: time out after 2000ms.

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Current CMD queue read_ptr 141 write_ptr 142

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Loaded firmware version: 18.168.6.1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Start IWL Error Log Dump:

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Status: 0x0000004C, count: -30718

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x14607C40 | ADVANCED_SYSASSERT

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | uPc

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x0000000A | branchlink1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | branchlink2

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000024 | interruptlink1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | interruptlink2

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x14607C80 | data1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | data2

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xA0557620 | line

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFFFFFF | beacon time

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x16192C14 | tsf low

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | tsf hi

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | time gp1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | time gp2

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x14607CD8 | time gp3

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | uCode version

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xA0416B0A | hw version

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFFFFFF | board version

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | hcmd

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000020 | isr0

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | isr1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x14607CE8 | isr2

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | isr3

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x14607CA8 | isr4

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | isr_pref

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x15CB8000 | wait_event

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0xFFFF8802 | l2p_control

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00A01C30 | l2p_duration

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | l2p_mhvalid

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000001 | l2p_addr_match

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | lmpm_pmg_sel

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000001 | timestamp

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: 0x00000000 | flow_handler

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Log capacity -1515870811 is bogus, limit to 1 entries

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Log write index -1515870811 is bogus, limit to 1

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: Start IWL Event Log Dump: display last 1 entries

[Thu Aug 6 05:22:01 2015] iwlwifi 0000:09:00.0: flush request fail

[Thu Aug 6 05:22:03 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 0 [0x5a5a5a5a]

[Thu Aug 6 05:22:05 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 2 [0x5a5a5a5a]

[Thu Aug 6 05:22:07 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 5 [0x5a5a5a5a]

[Thu Aug 6 05:22:08 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 7 [0x5a5a5a5a]

[Thu Aug 6 05:22:10 2015] iwlwifi 0000:09:00.0: Fw not loaded - dropping CMD: 18

[Thu Aug 6 05:22:10 2015] wlan0: HW problem - can not stop rx aggregation for f8:d1:11:82:71:f6 tid 0

[Thu Aug 6 05:22:10 2015] ieee80211 phy0: Hardware restart was requested

[Thu Aug 6 05:22:10 2015] iwlwifi 0000:09:00.0: Fw not loaded - dropping CMD: 1e

[Thu Aug 6 05:22:10 2015] iwlwifi 0000:09:00.0: flush request fail

[Thu Aug 6 05:22:10 2015] cfg80211: Calling CRDA to update world regulatory domain

[Thu Aug 6 05:22:10 2015] iwlwifi 0000:09:00.0: L1 Disabled - LTR Disabled

[Thu Aug 6 05:22:10 2015] iwlwifi 0000:09:00.0: Radio type=0x2-0x2-0x1

[Thu Aug 6 05:22:16 2015] iwlwifi 0000:09:00.0: Failed to load firmware chunk!

[Thu Aug 6 05:22:16 2015] iwlwifi 0000:09:00.0: Could not load the [0] uCode section

[Thu Aug 6 05:22:18 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 0 [0x5a5a5a5a]

[Thu Aug 6 05:22:20 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 2 [0x5a5a5a5a]

[Thu Aug 6 05:22:22 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 5 [0x5a5a5a5a]

[Thu Aug 6 05:22:24 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 7 [0x5a5a5a5a]

[Thu Aug 6 05:22:26 2015] iwlwifi 0000:09:00.0: Failed to run INIT ucode: -110

[Thu Aug 6 05:22:26 2015] [sched_delayed] sched: RT throttling activated

[Thu Aug 6 05:22:26 2015] iwlwifi 0000:09:00.0: Unable to initialize device.

[Thu Aug 6 05:23:58 2015] iwlwifi 0000:09:00.0: Failed to load firmware chunk!

[Thu Aug 6 05:23:58 2015] iwlwifi 0000:09:00.0: Could not load the [0] uCode section

[Thu Aug 6 05:24:00 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 0 [0x5a5a5a5a]

[Thu Aug 6 05:24:02 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 2 [0x5a5a5a5a]

[Thu Aug 6 05:24:04 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 5 [0x5a5a5a5a]

[Thu Aug 6 05:24:05 2015] iwlwifi 0000:09:00.0: Failing on timeout while stopping DMA channel 7 [0x5a5a5a5a]

[Thu Aug 6 05:24:07 2015] iwlwifi 0000:09:00.0: Failed to run INIT ucode: -110

[Thu Aug 6 05:24:07 2015] iwlwifi 0000:09:00.0: Unable to initialize device.

[Thu Aug 6 05:22:26 2015] wlan0: Failed check-sdata-in-driver check, flags: 0x4

Above you can see some failures. Failing to read cuncks of firmware.

Here I decided to reload modules and did:

# lsmod | grep iw

iwldvm 135156 0

mac80211 474277 1 iwldvm

iwlwifi 96547 1 iwldvm

cfg80211 405538 3 iwlwifi,mac80211,iwldvm

# rmmod iwlwifi

rmmod: ERROR: Module iwlwifi is in use by: iwldvm

# rmmod iwldvm

# modprobe iwldvm

# dmesg -T

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEBUG disabled

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEBUGFS disabled

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: Detected Intel(R) Centrino(R) Wireless-N 1030 BGN, REV=0xB0

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: L1 Disabled - LTR Disabled

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: bad EEPROM/OTP signature, type=OTP, EEPROM_GP=0x00000007

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: EEPROM not found, EEPROM_GP=0xffffffff

[Thu Aug 6 05:36:20 2015] iwlwifi 0000:09:00.0: Unable to init EEPROM

# rfkill list

3: hci0: Bluetooth

Soft blocked: no

Hard blocked: no

And wlan0 is no more.

More boots, and repetition, gives somewhat near results. Sometimes connect for a minute, then keeps given errors.

Att,

Beco.

PS. Alternating this problem, I'm still having problems keeping USB wlan2 up. Don't know why. Should be working fine.

NetworkManager is slow. The on/off button keeps an eternity to check.

Hans

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Aug 6, 2015, 10:10:06 AM8/6/15

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Am Donnerstag, 6. August 2015, 06:47:52 schrieb Beco:
Hi Beco,

is wlan0 existent? Try ifconfig -a

If yes, try wicd instead of network manager.

FYI I had trouble with my network devices with kernel 4.0, but reverting to
3.16 did the trick.

Also see, if the correct kernel module for your card is used. However, I
think, it is. And, of course, check, if youre card needs firmware. If so,
install the required firmware.

Last but not least, you can check with some linux livefile systems, like
Knoppix, or Debian Livefile.

Hope this helps.

Good luck!

Hans

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