This was a bug in the intel driver fixed recently. With up-to-date
karmic you should not see this problem anymore.
** Changed in: compiz (Ubuntu)
Status: New = Fix Released
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Compiz freezes screen after resuming from suspend
https://bugs.launchpad.net/bugs/425357
You received this bug
It seems to me to be the same so I marked it as a duplicate. Here is a
quick repeat of the explanation how to workaround the issue:
1. Try to figure out if your screen is locked by moving the cursor across the
screen and watching it shape - if the screen is locked you should get an I-Beam
Seems like this could be related to
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/426546
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Compiz freezes screen after resuming from suspend
https://bugs.launchpad.net/bugs/425357
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/31399525/BootDmesg.txt
** Attachment added: CurrentDmesg.gz
http://launchpadlibrarian.net/31399526/CurrentDmesg.gz
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/31399527/Dependencies.txt
**
