https://bugs.freedesktop.org/show_bug.cgi?id=99089
Michel Dänzer <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
QA Contact|[email protected] |
Product|xorg |DRI
Component|Driver/Radeon |DRM/Radeon
Assignee|[email protected] |[email protected]
| |.org
Version|7.7 (2012.06) |unspecified
--- Comment #1 from Michel Dänzer <[email protected]> ---
(In reply to Witold Baryluk from comment #0)
>
> It started few weeks ago, and I am getting sporadic screen lookups.
Did the kernel get upgraded to a newer version around that time?
> $ dmesg
> [37571.611965] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update
> failure on pipe A (start=163606 end=163607) time 560 us, min 1192, max 1199,
> scanline start 1172, end 1213
Are there any other error messages in dmesg after this? Maybe attach the whole
dmesg output.
It looks like maybe a DRM (driver) error path doesn't unlock
dev->mode_config.mutex, so any code trying to lock that hangs.
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