http://www.x.org/wiki/Development/Documentation/ServerDebugging has some
information how to use gdb with X but I am not sure this is relevant
since Xorg isn't crashing. What's needed is to find out what X is doing
when it's running at 100% CPU.
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https://wiki.ubuntu.com/X/Backtracing
http://wiki.debian.org/XStrikeForce/XserverDebugging
https://wiki.ubuntu.com/X/Troubleshooting/HighCPU
$ glxinfo | grep render
direct rendering: Yes
OpenGL renderer string: Mesa DRI Intel(R) IGD x86/MMX/SSE2
$ egrep '(loop|EE)' /var/log/Xorg.0.log
(WW)
unfortunately, the problem occurs with the mainline kernel as well
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https://bugs.launchpad.net/bugs/1087535
Title:
[i915] [regression] Xorg excessive use of CPU
** Tags added: lucid
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https://bugs.launchpad.net/bugs/1087535
Title:
[i915] [regression] Xorg excessive use of CPU (after update from lucid
to precise)
To ma
** Tags removed: lucid
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https://bugs.launchpad.net/bugs/1087535
Title:
[i915] [regression] Xorg excessive use of CPU (after update from lucid
to precise)
To
** Description changed:
I updated from lucid to precise about three weeks ago, hoping that the
major wrinkles would have been ironed out by now. Unfortuantely, that
isn't so. One very major complication for me is that over time X will
use up vast amounts of CPU cycles, usually reaching 1
** Tags added: lucid
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1087535
Title:
[i915] [regression] Xorg excessive use of CPU (after update from lucid
to precise)
To ma
Can you repeat your testing with raring? I'm sure whether you have a 2D
performance issue or if you are trying to use OpenGL.
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https://bugs.launchpad.net/bugs/1087
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1087535
Title:
[i915] [regression] Xorg exces
We're closing this bug since there has not been a response from the original
reporter. However, the issue still exists please feel free to reopen with the
requested information. If you're not the original reporter, we'd prefer you
file a new bug report.
Some tips:
* Report X.org bugs via t
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