https://bugs.freedesktop.org/show_bug.cgi?id=94727
--- Comment #7 from Ilia Mirkin <[email protected]> ---
(In reply to Olivier Fourdan from comment #5)
> This is affecting Xwayland as well, as reported downstream in Fedora 25:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1372878
>
> wrt comment 1, Xwayland is not using multithreaded GL, even through glamor,
> is it?
Oh dear. That's using glamor on a nv30 (or nv40) board. The nv30 driver is ...
erm ... imperfect.
And looking back at the first comments, the Quadro 1500M appears to be a G71,
and the 6600LE is obviously some nv4x as well.
In which case these issues are just as likely to not be caused by the
multithreading stuff at all.
But you're in (limited) luck - I have a NV34 plugged in. If you can send me an
apitrace I can replay to cause this to happen, I can investigate [and the NV34
doesn't support as much stuff as a NV4x, but I can fake it]. I'll also stare at
the nv30_resource_copy_region code to see what it's missing.
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