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[Bug 737792] Re: compiz crashed with SIGABRT in Glib::exception_handlers_invoke()


>From the analysis of the reports (this bug and duplicates), it seems
that the problem occurs on high-end GPUs and creates a race condition
triggering an exception that itself crashes Compiz.

The problem doesn't happen on particular GPUs, ie we cannot just
blacklist some of them.

The error is not constant: the system eventually starts. One developer
was able to reproduce the anomaly while debugging other fixes.

The fact that it can happen on the livecd is of critical importance. However, since:
a/ it does not happen systematically, and 
b/ the system eventually starts (via gnome-session respawning it)

it feels to me, that the bug is not a release blocker. So I am assigning
it an importance of 'high'. Besides, we're keeping that problem on the
0day-SRU list, but we don't have high hopes of finding a real solution
for it.

We are looking at more reports and comments to help design a workaround
that could limit the visual impact of the problem.

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  compiz crashed with SIGABRT in Glib::exception_handlers_invoke()