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  1. Bug #1925126
  2. Comment #0

Comment 0 for bug 1925126

Revision history for this message
DiagonalArg (diagonalarg) wrote :

dmesg output with GPU HANGs, below.

While running, it's fairly easy to cause flashing of text within a window, flipping between one window and another (eg. two tabs in gnome-terminal), or even complete freeze-ups, by moving a window or switching between windows, a little too quickly.

This is a basically new install of Ubuntu 20.04 on a ThinkPad W530 running Intel graphics and with kernel 5.8.0-50-generic.

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$ dmesg -T | grep -i i915
[Mon Apr 19 22:01:39 2021] i915 0000:00:02.0: vgaarb: deactivate vga console
[Mon Apr 19 22:01:39 2021] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[Mon Apr 19 22:01:39 2021] [drm] Initialized i915 1.6.0 20200515 for 0000:00:02.0 on minor 0
[Mon Apr 19 22:01:39 2021] fbcon: i915drmfb (fb0) is primary device
[Mon Apr 19 22:01:40 2021] i915 0000:00:02.0: fb0: i915drmfb frame buffer device
[Mon Apr 19 22:02:12 2021] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[Mon Apr 19 22:02:24 2021] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:0:00000000
[Mon Apr 19 22:02:24 2021] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
[Mon Apr 19 22:02:24 2021] i915 0000:00:02.0: [drm] gnome-shell[3417] context reset due to GPU hang
[Mon Apr 19 22:02:27 2021] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:ccddeeff, in gnome-shell [3417]
[Mon Apr 19 22:02:27 2021] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
[Mon Apr 19 22:02:39 2021] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:ccddeeff
[Mon Apr 19 22:02:39 2021] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
[Mon Apr 19 22:05:17 2021] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:003f003f, in Renderer [11805]
[Mon Apr 19 22:05:17 2021] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
[Mon Apr 19 22:05:17 2021] i915 0000:00:02.0: [drm] Renderer[11805] context reset due to GPU hang
[Mon Apr 19 22:05:28 2021] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:40d84443, in Renderer [11805]
[Mon Apr 19 22:05:28 2021] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
[Mon Apr 19 22:05:28 2021] i915 0000:00:02.0: [drm] Renderer[11805] context reset due to GPU han