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<body><span class="vcard"><a class="email" href="mailto:bertrand.piolin@windriver.com" title="Bp_at_wind <bertrand.piolin@windriver.com>"> <span class="fn">Bp_at_wind</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - hang waiting for a reply message (xcb_wait_for_reply)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94108">bug 94108</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>REOPENED
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - hang waiting for a reply message (xcb_wait_for_reply)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94108#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - hang waiting for a reply message (xcb_wait_for_reply)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94108">bug 94108</a>
from <span class="vcard"><a class="email" href="mailto:bertrand.piolin@windriver.com" title="Bp_at_wind <bertrand.piolin@windriver.com>"> <span class="fn">Bp_at_wind</span></a>
</span></b>
<pre>(In reply to Uli Schlachter from <a href="show_bug.cgi?id=94108#c2">comment #2</a>)
<span class="quote">> Do you also have backtraces for other threads? If libxcb waits on a
> pthread_cond_wait(), some other thread should be waiting in poll().</span >
The other running threads are basically part of the UI, how would you recommend
to debug those exchange of messages?
is there any Debug flag we could activate to track all these messages and find
which one had no reply?
<span class="quote">>
> You didn't mention your libxcb version. Could you also try libxcb from git?
> (I'm asking because of
> <a href="https://cgit.freedesktop.org/xcb/libxcb/commit/">https://cgit.freedesktop.org/xcb/libxcb/commit/</a>
> ?id=5b40681c887192307f3ae147d2158870aa79c05f and
> <a href="https://cgit.freedesktop.org/xcb/libxcb/commit/">https://cgit.freedesktop.org/xcb/libxcb/commit/</a>
> ?id=f85661c3bca97faa72431df92a3867be39a74e23 which both fix hangs involving
> xcb_wait_for_special_event())</span >
this test was done and the issue still occurs.</pre>
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