Comment 16 for bug 1025852

There are two denials:
Jul 31 12:36:21 nilesh-desktop kernel: [ 61.180928] type=1400 audit(1343718381.319:24): apparmor="DENIED" operation="capable" parent=1705 profile="/usr/lib/telepathy/mission-control-5" pid=1706 comm="mission-control" capability=23 capname="sys_nice"
Jul 31 12:36:21 nilesh-desktop kernel: [ 61.210983] type=1400 audit(1343718381.347:25): apparmor="DENIED" operation="open" parent=1705 profile="/usr/lib/telepathy/mission-control-5" name="/usr/share/gvfs/remote-volume-monitors/" pid=1706 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

The second one should already be present in the AppArmor profile on 12.04, but feel free to add to /etc/apparmor.d/local/usr.lib.telepathy:
  /usr/share/gvfs/remote-volume-monitors/ r,
  capability sys_nice,

Then do:
$ sudo apparmor_parser -r /etc/apparmor.d/usr.lib.telepathy

Please report back if this fixes the problem. If it does not, please attach any apparmor denials from /var/log/kern.log that occur after reloading the policy with the above changes.