linux-kernel - Re: Intel Comet Lake Wifi (8086:02f0) only working after cold start, failed with error -110

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Message-ID: <CA+icZUW6nfJKFTUm820a4Mkc+H6_G=qDksn4SNoxCKV1gFSoXg@mail.gmail.com>
Date: Thu, 19 Dec 2024 16:34:03 +0100
From: Sedat Dilek <sedat.dilek@...il.com>
To: Marc Haber <mh+linux-kernel@...schlus.de>
Cc: linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, 
	Miri Korenblit <miriam.rachel.korenblit@...el.com>, 
	Johannes Berg <johannes@...solutions.net>
Subject: Re: Intel Comet Lake Wifi (8086:02f0) only working after cold start,
 failed with error -110

On Thu, Dec 19, 2024 at 4:11 PM Marc Haber <mh+linux-kernel@...schlus.de> wrote:
>
> No takers after half a week?
>
> Greetings
> Marc
>

[ CC Miriam + JoHill ]

Hi Marc,

I enhanced the CC list.

Hmm... Is the T: tag still valid?

T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git

Checked for newer firmware?

Thanks.

Best regards,
-Sedat-

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/MAINTAINERS#n11911
[2] https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware.git/

> On Sun, Dec 15, 2024 at 10:15:19PM +0100, Marc Haber wrote:
> > I recently bought a used ThinkPad X13 1st Generation. That one is
> > equipped with an:
> > 00:14.3 Network controller [0280]: Intel Corporation Comet Lake PCH-LP CNVi WiFi[8086:02f0]
> >
> > (lspci output avaible online as https://www.zugschlus.de/stuff/lspci-v
> > and https://www.zugschlus.de/stuff/lspci-nn)
> >
> > I can reproduce the following behavior with all Linux kernels beginning
> > with the one that is in Debian Stable (didn't try anything older than
> > that), Debian unstable, current Linux Mint, Fedora Workstation 41, up to
> > a self-compiled Linux 6.12.5).
> >
> > While there was a Windows installed on the box when I got it, I do not
> > intend to dual boot the machine, and Windows has been erased by
> > installing the first Linux over it. Hence, I dont consider the hints
> > found on the Internet regarding Windows fast startup applicable in my
> > case. In any case, I disabled Windows fast startup before overwriting
> > Windows.
> >
> > When the notebook is freshly cold booted (machine OFF, no led blinking,
> > pulsing or anything, power supply disconnected), Wifi works. When I just
> > reboot the machine without turning it actually off, or turn it off while
> > leaving the power supply connected, Wifi does not work. The Wifi chip
> > still shows up in lspci but not in ip addr / ip link. dmesg looks like
> > it does not even try uploading firmware.
> >
> > In the non-working case, I see a bunch of lines like
> > [    3.998476] iwlwifi 0000:00:14.3: CSR_RESET = 0x10
> > [    3.998494] iwlwifi 0000:00:14.3: Host monitor block 0x0 vector 0x0
> > [    3.998524] iwlwifi 0000:00:14.3:     value [iter 0]: 0x00000000
> > [    3.998545] iwlwifi 0000:00:14.3:     value [iter 1]: 0x00000000
> > [    3.998566] iwlwifi 0000:00:14.3:     value [iter 2]: 0x00000000
> > [    3.998587] iwlwifi 0000:00:14.3:     value [iter 3]: 0x00000000
> > [    3.998608] iwlwifi 0000:00:14.3:     value [iter 4]: 0x00000000
> > ending with
> > [    4.007732] iwlwifi 0000:00:14.3: probe with driver iwlwifi failed with error -110
> >
> > (full output on https://www.zugschlus.de/stuff/dmesg-notwork)
> >
> > For reference, see dmesg output for a working case on
> > https://www.zugschlus.de/stuff/dmesg-work.
> >
> > As per the instructions given on
> > https://wireless.docs.kernel.org/en/latest/en/users/drivers/iwlwifi/debugging.html,
> > I have not yet upped the debug level. I am prepared to try with a kernel
> > that has CONFIG_IWLWIFI_DEVICE_TRACING and/or CONFIG_IWLWIFI_DEBUG set.
> > If you ask me to do this, please give me instructions about how to
> > enable the desired debugging if module parameters, kernel command line
> > parameters etc are necessary.
> >
> > I would apprecaite any help. I can keep the machine in the current state
> > for a few days, I only need it after chrismas.
> >
> > Please keep me on Cc, I am not subscribed to the mailing lists.
> >
> > Greetings
> > Marc
> >
> >
> > --
> > -----------------------------------------------------------------------------
> > Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
> > Leimen, Germany    |  lose things."    Winona Ryder | Fon: *49 6224 1600402
> > Nordisch by Nature |  How to make an American Quilt | Fax: *49 6224 1600421
>
> --
> -----------------------------------------------------------------------------
> Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
> Leimen, Germany    |  lose things."    Winona Ryder | Fon: *49 6224 1600402
> Nordisch by Nature |  How to make an American Quilt | Fax: *49 6224 1600421
>