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Message-ID: <20070321195928.GG15024@kernel.dk> Date: Wed, 21 Mar 2007 20:59:28 +0100 From: Jens Axboe <jens.axboe@...cle.com> To: Dale Blount <linux-kernel@...e.us> Cc: Chuck Ebbert <cebbert@...hat.com>, linux-kernel@...r.kernel.org Subject: Re: PROBLEM: null pointer dereference in cfq_dispatch_requests (2.6.21-rc2 and 2.6.20) On Wed, Mar 21 2007, Dale Blount wrote: > On Wed, 2007-03-21 at 14:09 -0400, Chuck Ebbert wrote: > > Dale Blount wrote: > > >> I'm puzzled why this is hitting Dan, but no one else has reported > > >> anything. Dan, did 2.6.19 work for you? > > > > > > Actually, I believe it is happening to me too. This is on a 4-disk raid5 with > > > one failed disk on two 2-port sata_sil pci controller cards. > > > > > > The BUG below is from 2.6.20.3, but I will try 2.6.21-rc4 tonight. > > > The disk didn't fail until 2.6.20, so I don't know if 2.6.19 would have worked > > > or not. > > > > > > > > > > Just to be clear: you have a RAID array (what level?) with a failed disk > > and it's giving you the same error that Dan gets? > > > Yes, the BUG looks to be pretty similar to me. It's a 4 disk raid5 with > one disk missing (dead and sent in for RMA). Interesting, I'll definitely see if I can reproduce it like that. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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