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DragonFly bugs List (threaded) for 2004-09
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Re: "busy buffer problem" panics

From: Andrew Atrens <atrens@xxxxxxxxxxxxxxxxxx>
Date: Fri, 03 Sep 2004 08:47:12 -0400

Matthew Dillon wrote:

> :
> :This box is both an nfs client (about 20 static mount points) and a
> :server (about 5 clients, several mount points), and I'm running amd so
> :it's automounting on /net a lot, especially during many clearcase
> :operations.=20
> :
> :Not sure if 'cleartool lsact -l' does anything with /net but it is
> :possible.
> :
> :I'm thinking that locking in the linuxulator is at the root of this ...
> :
> :Andrew.
>     Try this patch with the latest kernel.  The failure case is odd,
>     because it looks like the underlying lock is somehow entering the
>     system
>     shutdown code.  The code in linux_util appears to have some severe
>     leaks: a vnode reference count leak and a memory leak, which thi
>     s patch fixes.
>     Does running clearcase crash it immediately or does it take a number
>     of runs?

It's very close but not quite instant - the command appears to pause for
5-10 seconds before the actual panic.


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