[xorg-bugzilla-noise] [Bug 353] New: Server hangs frequently on Mac OS X 10.1.x

[bugzilla-daemon at pdx.freedesktop.org]

http://pdx.freedesktop.org/cgi-bin/bugzilla/show_bug.cgi?id=353

           Summary: Server hangs frequently on Mac OS X 10.1.x
           Product: xorg
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: server
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: torrey at mrcla.com


Mac OS X 10.1.x apparently has a thread safety bug in its version of AppKit. Unfortunately this results 
in a frequent lock up when creating windows because they are not created in the main thread. The 
following message is outputted to the console when this happens:

*** Assertion failure in popState(), NSViewHierarchyLock.m:512
Invalid parameter not satisfying: th->topOfStack >= 0

This makes the Xserver unusable on Mac OS X 10.1.x. A patch to work around this problem is attached.



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