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SubjectRe: 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

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