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Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium

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  Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium Salvatore Bonaccorso <carnil@debian.org> - 2025-10-09 16:50 +0200
    Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium "Sanjoy Mahajan" <sanjoy@mit.edu> - 2025-10-09 22:40 +0200
      Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium "Sanjoy Mahajan" <sanjoy@mit.edu> - 2025-10-10 10:10 +0200
        Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium Salvatore Bonaccorso <carnil@debian.org> - 2025-10-10 16:30 +0200
          Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium "Sanjoy Mahajan" <sanjoy@mit.edu> - 2025-10-17 17:00 +0200
            Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium Salvatore Bonaccorso <carnil@debian.org> - 2025-10-17 21:00 +0200
              Processed: Re: Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU  hangs three times after starting chromium "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-10-17 21:00 +0200

#89525 — Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium

Control: tags -1 + moreinfo

Hi

On Wed, Oct 08, 2025 at 12:52:47PM +0200, Sanjoy Mahajan wrote:
> Package: src:linux
> Version: 6.16.9-1
> Severity: normal
> File: /usr/lib/modules/6.16.9+deb14-amd64/kernel/drivers/gpu/drm/i915
> 
> 
> When I start chromium, the display (Xorg with no config file) hangs for
> 10 or so seconds, the screen goes black for a few seconds, and it
> returns.  This hang--blank--return cycle repeats twice more.  Then all
> is fine.
> 
> Here are relevant lines from the dmessages.  (I've also attached the GPU
> error state.)
> 
> It's an old laptop (Thinkpad T61), but this problem appeared only after
> a dist-upgrade a few days ago (while running kernel 6.12).  Maybe it's
> triggered by the upgrade of chromium (went from v140.0 to v141.0)?

So do I understand correctly that the kernel was no changed while
noticing this behaviour change? In this case please do roll back as
well first the chromium version.

If not please do downgrade to the preivous kernel you were running and
see if you can trigger the problem. If you only by chaning the kernel
then are able to trigger the problem in one version and not in the
other this might be a good start for a bisect of upstream versions.

Let's clarify first the above.

Regards,
Salvatore

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#89529

On 2025-10-09 16:41, Salvatore Bonaccorso <carnil@debian.org> wrote:

> So do I understand correctly that the kernel was no changed while
> noticing this behaviour change? In this case please do roll back as
> well first the chromium version.

Right, the kernel stayed at 6.12, but chromium was upgraded.  That
upgrade was enough to trigger the problem.

When I rebooted, it rebooted into the upgraded kernel (6.16), and it had
the same GPU hangs.  So, I will try earlier chromiums (with kernel 6.16
at first).  I think that it was chromium 140, but I will try a few
versions.

-Sanjoy

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#89531

On 2025-10-09 22:36, Sanjoy Mahajan <sanjoy@mit.edu> wrote:

> When I rebooted, it rebooted into the upgraded kernel (6.16), and it had
> the same GPU hangs.  So, I will try earlier chromiums (with kernel 6.16
> at first).  I think that it was chromium 140, but I will try a few
> versions.

I've just tried chromium v140 (with a current kernel -- see below), and
it worked fine (no GPU hang).

$ dpkg -l 'chromium*' | grep '^ii'
ii  chromium                 140.0.7339.185-1 amd64        web browser
ii  chromium-common          140.0.7339.185-1 amd64        web browser - common resources used by the chromium packages
ii  chromium-sandbox         140.0.7339.185-1 amd64        web browser - setuid security sandbox for chromium

$ uname -a
Linux insight 6.16.9+deb14-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.16.9-1 (2025-09-27) x86_64 GNU/Linux

-- 
-Sanjoy

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#89534

Control: tags -1 - moreinfo

On Fri, Oct 10, 2025 at 10:06:41AM +0200, Sanjoy Mahajan wrote:
> On 2025-10-09 22:36, Sanjoy Mahajan <sanjoy@mit.edu> wrote:
> 
> > When I rebooted, it rebooted into the upgraded kernel (6.16), and it had
> > the same GPU hangs.  So, I will try earlier chromiums (with kernel 6.16
> > at first).  I think that it was chromium 140, but I will try a few
> > versions.
> 
> I've just tried chromium v140 (with a current kernel -- see below), and
> it worked fine (no GPU hang).
> 
> $ dpkg -l 'chromium*' | grep '^ii'
> ii  chromium                 140.0.7339.185-1 amd64        web browser
> ii  chromium-common          140.0.7339.185-1 amd64        web browser - common resources used by the chromium packages
> ii  chromium-sandbox         140.0.7339.185-1 amd64        web browser - setuid security sandbox for chromium
> 
> $ uname -a
> Linux insight 6.16.9+deb14-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.16.9-1 (2025-09-27) x86_64 GNU/Linux

Thanks for reporting back, so likely this is actually a an older i915
related bug (there are similar older hanging GPU reports), but just
now triggered on at least your system.

I'm removing the moreinfo tag, and we now have to thinker more on how
to proceed.

Regards,
Salvatore

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#89660

The same GPU hang just happened with the older chromium
(140.0.7339.185-1 amd64 debian package).  It happened just after waking
up from suspend (S3). Chromium was already running before the suspend.

-Sanjoy

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#89664

Control: tags -1 + moreinfo

Hi

On Fri, Oct 17, 2025 at 04:52:24PM +0200, Sanjoy Mahajan wrote:
> The same GPU hang just happened with the older chromium
> (140.0.7339.185-1 amd64 debian package).  It happened just after waking
> up from suspend (S3). Chromium was already running before the suspend.

Not sure we will be sucessful, but it might give us additional hints
if you can provide the full dmesg from boot, to suspend and wakeup
again where this has happened.

Can you provide the log?

Regards,
Salvatore

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#89665 — Processed: Re: Bug#1117599: linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium

Processing control commands:

> tags -1 + moreinfo
Bug #1117599 [src:linux] linux-image-6.16.9+deb14-amd64: GPU hangs three times after starting chromium
Added tag(s) moreinfo.

-- 
1117599: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117599
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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