[Bug 90873] GPU hang, TearFree On, Mate desktop environment

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90873

--- Comment #3 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Tom from comment #0)
> I experience GPU hang while TearFree option is on.

Does it hang when you do anything in particular?

FWIW, this line in dmesg is probably related:

[  141.232226] radeon 0000:01:00.0: bo ffff8804236d3400 va 0x0000001000
conflict with (bo ffff88042a018800 0x0000001000 0x0000001563)

but I'm not sure what would cause that.


> I've tested TearFree when this feature was introduced in git version of
> xf86-video-ati-git and I didn't experience GPU hang back then.

Can you try isolating the xf86-video-ati commit introducing the hang with git
bisect?

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