I've just hit the same issue upon a latest batch of updates. When I restarted OS upon the update and logged in, one of my two cores is at 100 % CPU.
Used SW: ------------- Ubuntu 12.10 beta1 amd64 kernel: 3.5.0-15-generic #20-Ubuntu SMP dbus: 1.6.4-1ubuntu1 xubuntu-desktop: 2.160
I've just hit the same issue upon a latest batch of updates.
When I restarted OS upon the update and logged in, one of my two cores is at 100 % CPU.
Used SW:
-------------
Ubuntu 12.10 beta1 amd64
kernel: 3.5.0-15-generic #20-Ubuntu SMP
dbus: 1.6.4-1ubuntu1
xubuntu-desktop: 2.160