[Mesa-dev] [Bug 86690] glmark2-es2-wayland shortly freezes on some frames with egl_dri2 backend (Nouveau/GK20A)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86690

--- Comment #9 from Alexandre Courbot <gnurou at gmail.com> ---
(been reminded we should have a drink one of these days! ;))

Mmm, since this happens *only* for Wayland EGL programs (e.g. no problem with
DRM), I was hoping to see unexpected things happening at the Wayland level.

But what seems even stranger is that I think I can see the fence release
pushbuffers being queued *and* run by the GPU from the kernel side. So it may
also be that the screen's fence value is properly updated but the new value not
seen by user-space because of some memory incoherency.

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