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

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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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Thread

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

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