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Date: Fri, 18 Nov 2011 20:18:18 +0400
From: Solar Designer <solar@...nwall.com>
To: owl-dev@...ts.openwall.com
Subject: Re: kernel update? ext4 issues

Galaxy,

On Fri, Nov 18, 2011 at 06:15:30AM +0400, (GalaxyMaster) wrote:
> We may want to update our kernel to sync it with RH or just to apply
> ext4 patches: https://bugzilla.redhat.com/show_bug.cgi?id=722557

Yes, we need to update to:

http://wiki.openvz.org/Download/kernel/rhel5-testing/028stab095.1

(or whatever is latest by the time we get to this).

> I was recently hit by the bugs in the ext4 fs routines -- they are
> triggered well by a busy MySQL server, JFYI.

Ouch.  I doubt that you were hit by this specific bug.  Can you provide
more detail on the symptoms?  Did you have a file of almost exactly 4 GB?
What kernel version were you running?  (There were ext4 fixes before
-274 as well, so maybe the bug that you hit is already fixed in our
current kernel.)

Thanks,

Alexander

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