https://bugs.kde.org/show_bug.cgi?id=486014
--- Comment #3 from Peter <p.wibber...@btinternet.com> ---
It happened again, and the journald log was as follows. Does this help?
Apr 26 11:42:43 peter-xps139305 akonadiserver[1694]: org.kde.pim.akonadiserver:
Subscriber "MessageViewerMonitor - 97617431204032" disconnected
Apr 26 11:42:48 peter-xps139305 akonadi_pop3_resource[1738]: DIGEST-MD5 common
mech free
Apr 26 11:42:50 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37091/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 kernel: audit: type=1400
audit(1714128170.589:105): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37091/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mas>
Apr 26 11:42:12 peter-xps139305 kded6[1270]: Service ":1.127" unregistered
Apr 26 11:42:12 peter-xps139305 kded6[1270]: Service ":1.127" unregistered
Apr 26 11:42:39 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/27983/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:39 peter-xps139305 kernel: audit: type=1400
audit(1714128159.433:100): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/27983/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:40 peter-xps139305 akonadi_pop3_resource[1736]: DIGEST-MD5 common
mech free
Apr 26 11:42:43 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37091/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37161/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41075/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41172/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 kernel: audit: type=1400
audit(1714128163.249:101): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37091/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 kernel: audit: type=1400
audit(1714128163.249:102): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37161/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 kernel: audit: type=1400
audit(1714128163.249:103): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41075/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 kernel: audit: type=1400
audit(1714128163.249:104): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41172/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:43 peter-xps139305 akonadiserver[1694]: org.kde.pim.akonadiserver:
Subscriber "MessageViewerMonitor - 97617431204032" disconnected
Apr 26 11:42:48 peter-xps139305 akonadi_pop3_resource[1738]: DIGEST-MD5 common
mech free
Apr 26 11:42:50 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37091/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 kernel: audit: type=1400
audit(1714128170.589:105): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37091/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 kernel: audit: type=1400
audit(1714128170.589:106): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37161/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 kernel: audit: type=1400
audit(1714128170.589:107): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41075/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 kernel: audit: type=1400
audit(1714128170.589:108): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41172/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37161/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41075/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:50 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41172/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37091/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37161/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41075/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41172/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 kernel: audit: type=1400
audit(1714128174.153:109): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37091/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 kernel: audit: type=1400
audit(1714128174.153:110): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37161/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 kernel: audit: type=1400
audit(1714128174.153:111): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41075/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:54 peter-xps139305 kernel: audit: type=1400
audit(1714128174.153:112): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41172/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:42:57 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:42:57 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:00 peter-xps139305 kernel: i915 0000:00:02.0: [drm] Resetting rcs0
for preemption time out
Apr 26 11:43:00 peter-xps139305 kernel: i915 0000:00:02.0: [drm] *ERROR* rcs0
reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Apr 26 11:43:00 peter-xps139305 kernel: i915 0000:00:02.0: [drm] GPU HANG:
ecode 12:1:84dffffb, in QSGRenderThread [1638]
Apr 26 11:43:01 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37091/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/37161/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41075/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 audit[27857]: AVC apparmor="DENIED"
operation="open" class="file" profile="firefox"
name="/proc/41172/oom_score_adj" pid=27857 comm="firefox" requested_mask="w"
denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 kernel: audit: type=1400
audit(1714128181.821:113): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37091/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 kernel: audit: type=1400
audit(1714128181.821:114): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/37161/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 kernel: audit: type=1400
audit(1714128181.821:115): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41075/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:01 peter-xps139305 kernel: audit: type=1400
audit(1714128181.821:116): apparmor="DENIED" operation="open" class="file"
profile="firefox" name="/proc/41172/oom_score_adj" pid=27857 comm="firefox"
requested_mask="w" denied_mask="w" fsuid=1000 ouid=1000
Apr 26 11:43:02 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:02 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:02 peter-xps139305 kernel: Asynchronous wait on fence
0000:00:02.0:kwin_wayland[1111]:120dd6 timed out
(hint:intel_atomic_commit_ready [i915])
Apr 26 11:43:02 peter-xps139305 kernel: Asynchronous wait on fence
0000:00:02.0:kwin_wayland[1111]:120ddc timed out
(hint:intel_atomic_commit_ready [i915])
Apr 26 11:43:07 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:08 peter-xps139305 plasmashell[2387]:
[2382:2382:0426/114308.506042:ERROR:gpu_process_host.cc(997)] GPU process
exited unexpectedly: exit_code=512
Apr 26 11:43:09 peter-xps139305 plasmashell[2387]:
[55490:55490:0426/114309.220253:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 1 times!
Apr 26 11:43:09 peter-xps139305 plasmashell[2387]:
[55490:55490:0426/114309.221602:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 2 times!
Apr 26 11:43:09 peter-xps139305 plasmashell[2387]:
[55490:55490:0426/114309.291043:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 3 times!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:QSGRenderThread[1638]:1dde!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dd0!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dce!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dd6!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dd4!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dd2!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:6a!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:QSGRenderThread[2155]:3a8!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dd8!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120ddc!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dda!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:68!
Apr 26 11:43:12 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:QSGRenderThread[1638]:1de0!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:QSGRenderThread[1638]:1de2!
Apr 26 11:43:12 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:QSGRenderThread[2155]:3aa!
Apr 26 11:43:13 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:chrome<2454>:98992!
Apr 26 11:43:13 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:chrome<2454>:98994!
Apr 26 11:43:13 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:chrome<2454>:98996!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland[1111]:120dde!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:16 peter-xps139305 kernel: Fence expiration time out
i915-0000:00:02.0:kwin_wayland<1111>:2!
Apr 26 11:43:17 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:20 peter-xps139305 kernel: i915 0000:00:02.0: [drm] GPU HANG:
ecode 12:1:84dffffb, in QSGRenderThread [1638]
Apr 26 11:43:20 peter-xps139305 kernel: i915 0000:00:02.0: [drm] Resetting rcs0
for stopped heartbeat on rcs0
Apr 26 11:43:20 peter-xps139305 kernel: i915 0000:00:02.0: [drm] *ERROR* rcs0
reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Apr 26 11:43:20 peter-xps139305 kernel: i915 0000:00:02.0: [drm] Resetting chip
for stopped heartbeat on rcs0
Apr 26 11:43:21 peter-xps139305 kernel: i915 0000:00:02.0: [drm] *ERROR* rcs0
reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Apr 26 11:43:21 peter-xps139305 kernel: i915 0000:00:02.0: [drm] *ERROR* rcs0
reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Apr 26 11:43:21 peter-xps139305 kernel: i915 0000:00:02.0: [drm]
QSGRenderThread[1638] context reset due to GPU hang
Apr 26 11:43:22 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:22 peter-xps139305 kernel: sched: RT throttling activated
Apr 26 11:43:27 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:32 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:37 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:39 peter-xps139305 plasmashell[2387]:
[2382:2382:0426/114339.184690:ERROR:gpu_process_host.cc(997)] GPU process
exited unexpectedly: exit_code=512
Apr 26 11:43:39 peter-xps139305 plasmashell[2387]:
[55546:55546:0426/114339.540330:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 1 times!
Apr 26 11:43:39 peter-xps139305 plasmashell[2387]:
[55546:55546:0426/114339.585059:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 2 times!
Apr 26 11:43:39 peter-xps139305 plasmashell[2387]:
[55546:55546:0426/114339.587772:ERROR:gl_surface_presentation_helper.cc(260)]
GetVSyncParametersIfAvailable() failed for 3 times!
Apr 26 11:43:42 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:42 peter-xps139305 systemd-logind[612]: Power key pressed.
Apr 26 11:43:47 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:52 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:43:53 peter-xps139305 systemd-logind[612]: Power key pressed.
Apr 26 11:43:57 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
Apr 26 11:44:02 peter-xps139305 kwin_wayland[1111]: kwin_wayland_drm: Pageflip
timed out! This is a kernel bug
-- Boot 43239feed7e340368f2af56be135022f --
Apr 26 11:44:30 peter-xps139305 kernel: Linux version 6.5.0-28-generic
(buildd@lcy02-amd64-098) (x86_64-linux-gnu-gcc-12 (Ubuntu
12.3.0-1ubuntu1~22.04) 12.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38)
#29~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 14:39:20 UTC 2 (Ubuntu
6.5.0-28.29~22.04.1-g>
Apr 26 11:44:30 peter-xps139305 kernel: Command line:
BOOT_IMAGE=/boot/vmlinuz-6.5.0-28-generic
root=UUID=1ea36280-75ab-4796-a9fb-10da5009a457 ro quiet splash vt.handoff=7
Apr 26 11:44:30 peter-xps139305 kernel: KERNEL supported cpus:
Apr 26 11:44:30 peter-xps139305 kernel: Intel GenuineIntel
Apr 26 11:44:30 peter-xps139305 kernel: AMD AuthenticAMD
Apr 26 11:44:30 peter-xps139305 kernel: Hygon HygonGenuine
Apr 26 11:44:30 peter-xps139305 kernel: Centaur CentaurHauls
Apr 26 11:44:30 peter-xps139305 kernel: zhaoxin Shanghai
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