https://bugs.freedesktop.org/show_bug.cgi?id=100567
Bug ID: 100567
Summary: Nouveau system freeze fifo: SCHED_ERROR 0a
[CTXSW_TIMEOUT]
Product: xorg
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 130676
--> https://bugs.freedesktop.org/attachment.cgi?id=130676&action=edit
journalctl output for last boot to crash
I'm experiencing a random, but consistent hard-free (cannot switch virtual
terminals) running an nVidia card with three monitors under Fedora 25. Recent
kernel and driver updates have seemed to make this freeze much more frequent
(5-6 times in two work days).
Journalctl -b -1 output is attached. Most relevant lines are:
kernel: nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
kernel: nouveau 0000:01:00.0: fifo: gr engine fault on channel 12,
recovering...
kernel: [drm:drm_atomic_helper_swap_state [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] hw_done timed out
kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] hw_done timed out
kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
[CRTC:37:head-0] flip_done timed out
A possibly related bug is #96562, but it is old and hasn't received any
attention, so I'm opening a new one.
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