[Nouveau] [Bug 75279] XCloseDisplay() takes one minute around nouveau_dri.so, freezing Firefox startup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75279

--- Comment #29 from Frederic Bezies <fredbezies at gmail.com> ---
Looks like a NouVeau is triggered by Mozilla Firefox trunk code.

I opened a bug on mozilla bugtracker,
https://bugzilla.mozilla.org/show_bug.cgi?id=978439

Even if I find a "dirty workaround", valgrind logs are showing a NouVeau driver
bug.

I will attach both Mozilla Firefox valgrind log and glxtest one.

But there is a common part :

Invalid read of size 4
    at 0x8DBA0BE: nouveau_fence_wait (nouveau_fence.c:205)
    by 0x8E4AFF4: nv50_screen_destroy (nv50_screen.c:293)
    by 0x8DAACDE: dri_destroy_screen_helper (dri_screen.c:378)
    by 0x8DAAD74: dri_destroy_screen (dri_screen.c:388)
    by 0x8AB13D6: driDestroyScreen (dri_util.c:234)
    by 0x69A06C1: dri2DestroyScreen (dri2_glx.c:712)
    by 0x697CFE5: FreeScreenConfigs.isra.3 (glxext.c:208)
    by 0x697D064: glx_display_free (glxext.c:231)
    by 0x697D164: __glXCloseDisplay (glxext.c:272)
    by 0x50569F1: XCloseDisplay (in /usr/lib/libX11.so.6.3.0)

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