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List:       kdevelop-bugs
Subject:    [Bug 252659] deadlock due to ForegroundLock
From:       David Nolden <david.nolden.kde () art-master ! de>
Date:       2010-12-01 16:58:03
Message-ID: 20101201165803.21360763F1 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=252659





--- Comment #8 from David Nolden <david nolden kde art-master de>  2010-12-01 17:58:00 ---
I've encountered this deadlock again, and did some debugging within QMutex.
I've found out that QMutex ends up waiting for a wait-condition, while there is
no other thread holding the mutex (d->owner == 0), so there is noone to wake
the thread up from the wait-condition.

I've changed the code to use a pthread mutex directly now. If it happens again
with the pthread mutex, then it should be a clear sign that the problem is on
our side. If it doesn't happen again with the pthread mutex, then it's a QMutex
bug.

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