Kernel Message: ISR called reentrantly!! David_Papasan at
Thu Oct 23 08:31:01 CDT 2003

>Recently a couple of our more heavily loaded PE 2600s have started 
>getting the following error showing up in dmesg:
>ISR called reentrantly!!

Check to see if a consistency check or rebuild is running, you will get this
when the mailbox is busy etc. 
As the last person pointed out it's generally a harmless information message
despite the "!!". 

Also is the system becoming IO Bound by the disk systems ? If this is coming
up a lot might be worth looking into as it's normally only seen during heavy
IO :)

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