[Xcb] [Bug 94108] hang waiting for a reply message (xcb_wait_for_reply)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94108

--- Comment #11 from Bp_at_wind <bertrand.piolin at windriver.com> ---
(In reply to Uli Schlachter from comment #9)
> Let's try again: What are the backtraces of the other threads? Is any other
> thread inside libxcb-code?
now atatched. 
> 
> Also, does the application use libGL / libX11 from multiple threads? Is
> XInitThreads() called at startup?
(work in progress)
> 
> According to the only backtrace you provided, libX11 asks for a reply that
> we don't have yet and some other thread "grabbed" the socket. Could you get
> a debug build of libxcb and libX11 so that the backtraces provide more
> information?
how do you recommend to activate debug for these two, a debug build of libxcb
does not produce any log.

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