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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion "(_cairo_atomic_int_get (&(&surface->ref_count)->ref_count) > 0)""
href="https://bugs.freedesktop.org/show_bug.cgi?id=91967#c42">Comment # 42</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion "(_cairo_atomic_int_get (&(&surface->ref_count)->ref_count) > 0)""
href="https://bugs.freedesktop.org/show_bug.cgi?id=91967">bug 91967</a>
from <span class="vcard"><a class="email" href="mailto:alberts.muktupavels@gmail.com" title="Alberts Muktupāvels <alberts.muktupavels@gmail.com>"> <span class="fn">Alberts Muktupāvels</span></a>
</span></b>
<pre>(In reply to Wolfgang Ulbrich from <a href="show_bug.cgi?id=91967#c41">comment #41</a>)
<span class="quote">> Just tested on fedora 24 with
> - cairo-1.14.6 + 'cairo-xlib-surface: set image to NULL after destroying
> it' patch
> - libwnck-3.18.0 + 'add error trap in try_pixmap_and_mask' patch from
> libwnck report
> - running test3.py reproducer
>
> Mate wnck applets or mate-panel don't crash any more.
> But the whole desktop can easily freeze if i try to open another window if
> test3.py is running.</span >
And what do you expect if application in one second change IconPixmap
hundreds of times?
<span class="quote">> This didn't happen without 'add error trap in try_pixmap_and_mask'.</span >
That is probably because of gdk_error_trap_pop. From doc - May block until an
error has been definitively received or not received from the X server.</pre>
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