What is a soft lockup?

[Dave Jones]

On Tue, Jul 04, 2006 at 02:31:58PM +0100, Zac Tolley wrote:
 > I'm running a fc5 box, with a bunch of disks and opennms, which puts  
 > a high workload on the disks. Not running raid.
 > 
 > In /var/logl/messages i get and error like this repeatedl. The box is  
 > a dual xeon and it seems like each cpu in turn shows this error.
 > 
 > what does it mean?

It means one of the CPUs got 'stuck' somewhere, in a deadlock.
It's possible this has already been fixed.  Try and reproduce on
the update kernel? 

		Dave

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