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Re: kernel panic on umount

To: Kip Matthew Macy <kip@xxxxxxxxxxxxxxx>
Subject: Re: kernel panic on umount
From: Steve Lord <lord@xxxxxxx>
Date: Thu, 27 Apr 2000 08:43:14 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: Message from Kip Matthew Macy <kip@xxxxxxxxxxxxxxx> of "Wed, 26 Apr 2000 18:06:35 PDT." <3907929B.8E1F4097@xxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
> I just tried to unmount a 200GB hardware RAID XFS partition and got
> 
> Size 452224 doing a vfree 0xe0890000
> entering kdb @....  Panic: divide error
> 
> the backtrace is :
> 
> schedule
> reschedule
> 
> 
> Any idea what happened?
> 
>                                                                     -Kip

Are you running on a 2 cpu machine? If you were and you were using kdb to
dump the stack back trace, can you get a backtrace from the other cpu?
kdb has an annoying habit of setting the default processor to the opposite
one to the one which crashed.

Steve



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