Similar/same problem, except
1) I do not have ati, I have nvidia
2) do not have apparmor, as far as I know
System hangs, sometimes in middle of night, sometimes in middle of day.
The last message in syslog is:
kernel: [13054.112526] type=1503 audit(1349642278.078:46):
operation="open" pid=5234 parent=5145
profile="/usr/lib/firefox/firefox{,*[^s][^h]}" requested_mask="::rw"
denied_mask="::rw" fsuid=1002 ouid=0 name="/dev/nvidiactl"
twice; here's another:
kernel: [28822.977516] type=1503 audit(1350612822.928:39): operation="open"
pid=4869 parent=4831 profile="/usr/lib/firefox/firefox{,*[^s][^h]}"
requested_mask="::rw" denied_mask="::rw" fsuid=1003 ouid=0 name="/dev/nvidiactl"
For the other two crashes, the very last thing in syslog is: NVRM: Xid
(0001:00): 6, PE0001 which comes 8 seconds after the above.
This all started happening a few weeks ago. Running lucid.
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https://bugs.launchpad.net/bugs/938981
Title:
Xorg freeze when starting Firefox
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