Messages in this thread | | | Date | Wed, 29 Jul 2009 16:18:46 -0400 | From | Paul Clements <> | Subject | Re: [BUG] raid1 behind writes alter bio structure illegally |
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Milan Broz wrote: > Hi Paul, > > Paul Clements wrote: >> I've run into this bug on a 2.6.18 kernel, but I think the fix is still >> applicable to the latest kernels (even though the symptoms would be >> slightly different). >> >> Perhaps someone who knows the block and/or SCSI layers well can comment >> on the legality of attaching new pages to a bio without fixing up the >> internal bio counters (details below)? > >> LVM over raid1 over SCSI/nbd > > Please can you try that backporting of this patch helps? > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5d84070ee0a433620c57e85dac7f82faaec5fbb3 > > (If so, see https://bugzilla.redhat.com/show_bug.cgi?id=512387)
Thanks Milan. I tested the patch and it does fix the issue. I replied to the bugzilla report with this information.
-- Paul
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