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From: "Martin J. Bligh" <mbligh@aracnet.com>
To: "Rechenberg, Andrew" <ARechenberg@shermanfinancialgroup.com>,
	linux-kernel@vger.kernel.org
Cc: "Kevin P. Fleming" <kpfleming@cox.net>
Subject: RE: OOPS in do_try_to_free_pages with VERY large software RAID array
Date: Tue, 11 Mar 2003 11:39:30 -0800	[thread overview]
Message-ID: <25390000.1047411570@flay> (raw)
In-Reply-To: <8075D5C3061B9441944E137377645118012E97@cinshrexc03.shermfin.com>

> Thanks for the help Martin.  It looks like that was the problem.  The
> kernel mdstat statistics must have been overwriting some other kernel
> memory and giving me my panics.  With the help of Kevin's 2.5 patch I
> patched the Red Hat 2.4.18-26 md code to use seq_file and now my big
> RAID arrays are syncing and I haven't had a panic yet :D
> 
> Thanks again to everyone for the help.  I'll submit the patch to the
> linux-raid list as md-seq_file-2.4.18-26.7.x.patch if anyone's
> interested.

Cool. If I get bored at some point, I might try to make a debug option
to put some minefield trap after /proc functions to catch them doing
this. Or we change the interface ;-)

I got burnt by the same thing for being the first twit to try booting
a 16 CPU ia32 machine ... /proc/cpuinfo went a bit wild.

M.


  reply	other threads:[~2003-03-11 19:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-11 19:38 OOPS in do_try_to_free_pages with VERY large software RAID array Rechenberg, Andrew
2003-03-11 19:39 ` Martin J. Bligh [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-03-11 17:38 Rechenberg, Andrew
2003-03-11 17:49 ` Randy.Dunlap
2003-03-10 21:23 Rechenberg, Andrew
2003-03-10 21:52 ` Martin J. Bligh
2003-03-10 19:20 Rechenberg, Andrew
2003-03-10 19:27 ` Martin J. Bligh
2003-03-10 19:48   ` Kevin P. Fleming

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