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Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implica

from [Eric Sandeen] [Permanent Link][Original]
To: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
Subject: Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implicate xfs, scsi, networking, SMP
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Sun, 26 Nov 2006 08:31:29 -0600
Cc: Al Viro <viro@xxxxxxxxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, dgc@xxxxxxx, jesper.juhl@xxxxxxxxx, chatz@xxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx
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Arjan van de Ven wrote:
On Thu, 2006-11-23 at 04:35 +0000, Al Viro wrote: 
I would even say 10 function calls deep to allocate file blocks
is overkill, but 22 it just astronomically bad.

Especially since a large part is due to cxfs...
-


it's a bit sad to see XFS this crippled in linux due to an external,
proprietary module ;(


I understand that cxfs is a bit of a whipping-boy, but the stacks in question in this thread really don't have much if anything to do with the filesystem layering in xfs. They are deep callchains & large functions in core xfs code, it seems.

-Eric


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