[Bug 102358] WarThunder freezes at start, with activated vsync (vblank_mode=2)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102358

--- Comment #11 from haro41 at gmx.de ---
i applied your patch successful, still the freezes, maybe in average a bit
later now.

The behavoir changed a bit:

before patch:

vblank_mode=2 (default)-> always freezes inside 0..2 minutes runtime, 
                          framerate fix/clamped at 50(as expected)
vblank_mode=0          -> no freezes at all, dynamic, high framerates 
LIBGL_DRI3_DISABLE=1   -> no freezes at all, framerate fix at 50 


after patch:

vblank_mode=2 (default)-> always freezes inside 0..2 minutes runtime, 
                          framerate fix/clamped at 100(!!)
vblank_mode=0          -> no freezes at all, dynamic, high framerates 
LIBGL_DRI3_DISABLE=1   -> no freezes at all, framerate fix at 50 


To be honest, i am not familiar enough with DRM internals to understand what
exactly happens here, but it looks like something is broken in respect to DRI 3
usage.

Somehow i think i could be the only one with this freezes and to ensure i am
not wasting your time:
Can you give me a hint, where i should look first to exclude it is something
specific to my system/setup?

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