Could not allocate error on boot

[alan <alan clueserver org>]

I am running FC5t3 x86_64 with Xen.

I get an error on various daemons when booting that reads "Could not 
allocate 8 bytes percpu data".

Also, the ethernet card works for about 15-20 minutes before becoming 
totally unresponsive.

Are these known issues or should I track them down further?

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"George W. Bush -- Bringing back the Sixties one Nixon at a time."