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Re: xsrc/49553 Xorg hits 100% CPU on shutdown

The following reply was made to PR xsrc/49553; it has been noted by GNATS.

From: Patrick Welche <>
Subject: Re: xsrc/49553 Xorg hits 100% CPU on shutdown
Date: Thu, 19 Feb 2015 09:54:18 +0000

 In view of Michael's observations, I have been running X on a sandy bridge
   Section "ServerFlags"
           Option          "NoTrapSignals" "true"
 for the last ten days, but haven't seen the gallium issue, so there seem
 to be two different issues?
 (Total subjectivity: I have a "feeling" that I see the issue less often
 on the sandy bridge and more often on the ivy bridge)
 Suggestion from Chris Wilson in
   The thread should be destroyed along with the parent process on
   termination. I guess your pthreads implementation prevents that? If so,
   and that is desirable, you will need to call pthread_kill() in the
   Xorg driver destructor - only there is not a suitable callback, so you
   would need to hack something into the resource system or add a counter.

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