xorg short freezes

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xorg short freezes

#1 Post by graemev2 »

FYI. I read http://forums.debian.net/viewtopic.php? ... er#p715315 ... and will attempt to avoid going there.

Some while ago (months) I noticed "freezes" in my Desktop. I put these down to heavy processing elsewhere, browser issues etc. It became clear overtime that the freezes were real [ just happened as I typed that BTW].
My symptoms match https://gitlab.freedesktop.org/drm/intel/-/issues/2905 except I'm only on the 4.19.0-16-amd64 kernel . To add to the description :

+ Running glxgears, the gears screen freezes but the stats report a steady 30FPF (albeit only after the freeze ends) playing sounds in the background, the sound continues unaffected . It seems to ONLY be the update of the X display is is frozen. The freeze lasts from 1-2 seconds up to about a minute (rare):

Buster Cinnamon desktop on Xorg:
X Protocol Version 11, Revision 0
[ 27.303] Build Operating System: Linux 5.10.0-6-amd64 x86_64 Debian
[ 27.303] Current Operating System: Linux real 4.19.0-16-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64
[ 27.303] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.19.0-16-amd64 root=UUID=e32cdd15-d5f8-4ddd-a5c3-6456d07c4f9a ro quiet
[ 27.303] Build Date: 19 April 2021 09:34:38AM
[ 27.303] xorg-server 2:1.20.4-1+deb10u3 (https://www.debian.org/support)
[ 27.303] Current version of pixman: 0.36.0
[ 27.605] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 27.634] (II) Module intel: vendor="X.Org Foundation"
[ 27.634] compiled for 1.20.1, module version = 2.99.917
[ 27.634] Module class: X.Org Video Driver
[ 27.634] ABI class: X.Org Video Driver, version 24.0
[ 27.634] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[ 27.634] (II) intel: Driver for Intel(R) HD Graphics
[ 27.634] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[ 27.634] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
[ 27.676] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20180719
[ 27.676] (II) intel(0): SNA compiled: xserver-xorg-video-intel 2:2.99.917+git20180925-2 (Andreas Boll <aboll@debian.org>)
[ 27.676] (II) intel(0): SNA compiled for use with valgrind
[ 27.690] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 4600
My freezes are generally too short to ssh into the box an check the X server really is unkillable.

My check of various logs revealed no obviously relevant messages . Since it's mostly an irritant I've just been waiting to see it go away in a similar fashion to the way it arrived (presumably in an update some months back) but seeing issues like it in 5.10 kernels I'm starting to worry it may be here for some time.

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