[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 #13 from Benoit Jacob <bjacob at mozilla.com> ---
The work-around that works for us, and that we're considering landing, is to
avoid calling XCloseDisplay and, in this case, just calling XSync to handle any
pending errors in glxtest. Digging in the Gecko codebase, I found at least
another instance where we avoid calling XCloseDisplay because it is "scary":

http://hg.mozilla.org/mozilla-central/file/2d5d5fd03050/dom/plugins/ipc/PluginModuleChild.cpp#l569

At the moment I am wondering if we should stop calling XCloseDisplay
altogether...

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