https://bugs.freedesktop.org/show_bug.cgi?id=105260
Bug ID: 105260
Summary: Nouveau frequently crashes when hovering over taskbar
in KDE Plasma 5
Product: Mesa
Version: 13.0
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/nouveau
Assignee: nouveau@lists.freedesktop.org
Reporter: zeratul...@hotmail.com
QA Contact: nouveau@lists.freedesktop.org
I am experiencing a frequent freeze of my entire graphics session, from which I
can only recover by restarting by display manager.
The freeze always occurs when hovering over a taskbar entry and a thumbnail
image of the corresponding window is shown, although I can't reliably reproduce
the freeze every time I perform such a hover.
The following output appears in dmesg whenever this happens:
[425014.691684] nouveau 0000:01:00.0: gr: TRAP ch 2 [003fc60000 Xorg[16428]]
[425014.691694] nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000049
[425014.691697] nouveau 0000:01:00.0: gr: GPC0/TPC1/TEX: 80000049
[425014.691715] nouveau 0000:01:00.0: fifo: read fault at 0002b70000 engine 00
[PGRAPH] client 01 [GPC0/TEX] reason 02 [PAGE_NOT_PRESENT] on channel 2
[003fc60000 Xorg[16428]]
[425014.691716] nouveau 0000:01:00.0: fifo: gr engine fault on channel 2,
recovering...
[425014.691911] nouveau 0000:01:00.0: Xorg[16428]: channel 2 killed!
[425014.692071] nouveau 0000:01:00.0: gr: TRAP ch 9 [003f93c000
plasmashell[16602]]
[425014.692080] nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000049
[425014.692083] nouveau 0000:01:00.0: gr: GPC0/TPC1/TEX: 80000049
[425014.692092] nouveau 0000:01:00.0: fifo: read fault at 0001500000 engine 00
[PGRAPH] client 01 [GPC0/TEX] reason 02 [PAGE_NOT_PRESENT] on channel 9
[003f93c000 plasmashell[16602]]
[425014.692094] nouveau 0000:01:00.0: fifo: gr engine fault on channel 9,
recovering...
[425014.692301] nouveau 0000:01:00.0: plasmashell[16602]: channel 9 killed!
I am running Debian 9, with the KDE desktop environment (Plasma 5.8). My kernel
version is 4.14.
Please let me know if there is any other information I can provide to help
diagnose the issue.
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