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Re: [opensuse-kernel] Re: 2.6.34-rc3: simple du (on a big xfs tree) trig

To: Hans-Peter Jansen <hpj@xxxxxxxxx>
Subject: Re: [opensuse-kernel] Re: 2.6.34-rc3: simple du (on a big xfs tree) triggers oom killer [bisected: 57817c68229984818fea9e614d6f95249c3fb098]
From: "Justin P. Mattock" <justinmattock@xxxxxxxxx>
Date: Sat, 24 Apr 2010 15:41:50 -0700
Cc: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, Nick Piggin <npiggin@xxxxxxx>, opensuse-kernel@xxxxxxxxxxxx, Greg KH <gregkh@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
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On 04/24/2010 03:30 PM, Hans-Peter Jansen wrote:
On Saturday 24 April 2010, 23:23:20 Emmanuel Florac wrote:
Le Sat, 24 Apr 2010 18:44:22 +0200 vous écriviez:
Greg, you might search for a server using xfs filesystems and and a
i586 kernel>= 2.6.33, (2.6.32.11 of SLE11-SP1 will serve as well),
log in as an ordinary user, do a "du" on /usr, and wait for the other
users screaming...

I did precisely that, and didn't notice anything special (du on kernel
source tree) kernel 2.6.32.11, deadline scheduler, 7 drives RAID-6
array, 8GB RAM.

I guess, you're not on this specific openSUSE git version of 2.6.32.11 (e.g.
the preparation for SP1 of SLE11), which, as usual, carries a lot of stuff
from later kernels. The offending patch was included in linux-2.6.33
between -rc4 and -rc5:

Committer
Alex Elder<aelder@xxxxxxx>
Author
Dave Chinner<david@xxxxxxxxxxxxx>
Author date
11.01.10 00:51
Parent
xfs: Avoid inodes in reclaim when flushing from inode cache
Child
xfs: Remove inode iolock held check during allocation
Branch
master origin (Merge branch 'for-linus' of git://git.kernel.org/pub/scm/...)
Branch
2.6.33.1 (Linux 2.6.33)
Follows
v2.6.33-rc4 (Linux 2.6.33-rc4)
Precedes
v2.6.33-rc5 (Linux 2.6.33-rc5)

Cheers,
Pete

sh*t.. my bad just replied to the wrong
thread..

I'm tired.. please ignore this.

Justin P. Mattock

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