ubuntu-x-swat team mailing list archive

[Bryce Harrington <799412@xxxxxxxxxxxxxxxxxx>]

Hi Fabio,

Are you able to reproduce this freeze with current oneiric?

If so, please collect a mmiotrace on the bug.

 $ mount -t debugfs debugfs /sys/kernel/debug
 $ echo mmiotrace > /sys/kernel/debug/tracing/current_tracer
 $ cat /sys/kernel/debug/tracing/trace_pipe > mydump.txt &
 Start X or whatever.
 $ echo "X is up" > /sys/kernel/debug/tracing/trace_marker
 $ echo nop > /sys/kernel/debug/tracing/current_tracer
 Check for lost events.

For more help on using mmiotrace, see
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/trace/mmiotrace.txt

** Changed in: xserver-xorg-video-nouveau (Ubuntu)
       Status: New => Incomplete

** Summary changed:

- Edubuntu amd64 20110619, xorg infinite loop
+ GPU lockup on Edubuntu amd64 20110619

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https://bugs.launchpad.net/bugs/799412

Title:
  GPU lockup on Edubuntu amd64 20110619

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