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Groups > linux.debian.bugs.dist > #1268141

Bug#1110854: linux-image-amd64: i915 timeout errors after kernel upgrade

From Maximilian Stein <m@steiny.biz>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1110854: linux-image-amd64: i915 timeout errors after kernel upgrade
Date 2025-10-28 14:50 +0100
Message-ID <LKSff-8DHg-11@gated-at.bofh.it> (permalink)
References (2 earlier) <LiB4t-6Lfj-15@gated-at.bofh.it> <LKviG-8meA-11@gated-at.bofh.it> <LKviG-8meA-11@gated-at.bofh.it> <LiB4t-6Lfj-15@gated-at.bofh.it> <LKviG-8meA-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi there,

I experimented a bit further trying to find a workaround.

First I noticed that there is even a kernel warning about the hangig 
task (see attached log file):

     INFO: task Xorg:1336 blocked for more than 1208 seconds.

I then tested various kernel options, without success:

* i915.modeset=0 (disables HDMI completely)

* intremap=off (no effect)

* module_blacklist.snd_hda_codec_hdmi (no effect)

* nomodeset (yields 640x480 only)

*  ibt=off (no effect)

* i915.enable_dc=0 i915.enable_dp_mst=false (no effect)


Finally, I tested the old xserver-xorg-video-intel driver with success! 
I just installed the package and added an Xorg config 
in /etc/X11/xorg.conf.d/20-intel.conf:

Section "Device"
     Identifier "Intel"
     Driver "intel"
EndSection


So, the basic issue definitely seems to be related to the newer driver 
used by default.

Best,
Maximilian

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Bug#1110854: linux-image-amd64: i915 timeout errors after kernel upgrade Maximilian Stein <m@steiny.biz> - 2025-10-27 14:20 +0100
  Bug#1110854: linux-image-amd64: i915 timeout errors after kernel upgrade Maximilian Stein <m@steiny.biz> - 2025-10-28 14:50 +0100

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