[Bug 105260] New: Nouveau frequently crashes when hovering over taskbar in KDE Plasma 5

[Bug 105260] New: Nouveau frequently crashes when hovering over taskbar in KDE Plasma 5

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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-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: zeratul976-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.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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[Bug 105260] Nouveau frequently crashes when hovering over taskbar in KDE Plasma 5

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https://bugs.freedesktop.org/show_bug.cgi?id=105260

--- Comment #1 from Nathan Ridge <zeratul976-PkbjNfxxIARBDgjK7y7TUQ@public.gmane.org> ---
I should add that this started happening after upgrading my kernel from 4.9 to
4.14.

After downgrading the kernel back to 4.9, the problem no longer occurs.

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[Bug 105260] Nouveau frequently crashes when hovering over taskbar in KDE Plasma 5

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https://bugs.freedesktop.org/show_bug.cgi?id=105260

GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1149.

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