getting uninterruptible sleep processes after upgrade from 2.6.20.20to 2.6.24.2

[allied internet ag- Stefan Priebe]

Hello!

One week ago we upgraded about 300 servers from 2.6.20.20 to 2.6.24.2.

Now we get sometimes dozent of processes in state DN. The system is 
completely idle - but the load is 20 or 90 or whatever. And it can only 
be "repaired" by rebooting the system.

I'm NOT on the LIST so please CC me.

Thanks.

Stefan
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