Starting KDE causes computer to freeze

[Pierre Abbat <phma@xxxxxxxxxxxxx>]

I just upgraded the kernel to v3.1.0.1391.g26dd3-DEVELOPMENT and rebooted. I 
then logged into KDE. I got a window saying that Nepomuk Stub had crashed, 
which hadn't happened before (I see a window saying that Konversation 
crashes, when it's been running several days). A few seconds later, while my 
browser window was reloading its tabs from last session, the computer froze. 
I rebooted with the power button and the exact same thing happened.

I then tried booting the old kernel. When it tried to initialize the network, 
I saw the same sort of nonsensical interface names as when I booted the new 
kernel (for fixing the hosed filesystem) wiht the old world.

I have succeeded in logging into XFCE, so I have a useful GUI, but the start 
button is missing.

Pierre
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