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Date:      Fri, 9 Mar 2007 00:44:03 +0100
From:      =?ISO-8859-1?Q?Eirik_=D8verby?= <ltning@anduin.net>
To:        stable@freebsd.org
Subject:   Panic: spin lock smp rendezvous ... held too long
Message-ID:  <3FCD4E86-40CA-4E27-AF97-DFB94F02077C@anduin.net>

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Hi all,

I just installed 6.2-RELEASE on a Supermicro 6013P-8 server, a dual  
P4-Xeon 2.4ghz with 4GB ECC memory and an asr driven SCSI RAID  
controller.

It has been working OK (although I suspect the asr driven, being  
giant-locked, is very inefficient) for a little while, but as I was  
extracting a bunch of tarballs it paniced like so:

spin lock smp rendezvous held by 0xc9d54600 for > 5 seconds
panic: spin lock held too long
cpuid = 0

I don't have a dump device (though I'm setting that up for the next  
reboot). However, I have tried turning off HT, to see if that might  
help.

Does this look familiar to anyone? Or do I need to produce more data  
if it happens again?

Thanks,
/Eirik



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