[Bug 54226] [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54226

--- Comment #193 from Manuel Widmer <m-widmer at gmx.ch> ---
(In reply to comment #184)
> (In reply to comment #183)
> 
> I recommend configuring i915.semaphores=0. I did it and it doesn't freeze
> anymore.

Meanwhile I tested both i915.semaphores=0 and i915.semaphores=1 neither of
which did help in my case. But with i915.semaphores=0 my system became much
more unstable and even crashed on its own after some days without stress on
graphics (just ran some desktop apps like thunar or vlc for music only - no
movies). With i915.semaphores=1 the system is at least stable (for some weeks)
as long as I don't heavily use desktop applications.

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