Messages in this thread | | | Date | Mon, 14 Oct 2002 17:57:27 -0400 (EDT) | From | David Mansfield <> | Subject | Re: [BUG] raw over raid5: BUG at drivers/block/ll_rw_blk.c:1967 |
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On Mon, 14 Oct 2002, Andrew Morton wrote:
> David Mansfield wrote: > > > > Hi everyone, > > > > I haven't been able to run raw over raid5 since 2.5.30 or so, but every > > time I'm about to report it, a new kernel comes out and the problem > > changes completely :-( Now I'm finally going to start getting out the info > > it the hopes someone can fix it. The oops was triggered by attempting to > > read from /dev/raw/raw1 (bound to /dev/md0) using dd. System info > > follows oops: > > > > ------------[ cut here ]------------ > > kernel BUG at drivers/block/ll_rw_blk.c:1967! > > I don't think you told us the kernel version?
Arrgh. It was 2.5.42 vanilla.
> There have been recent fixes wrt sizing of the BIOs which the > direct-io layer sends down. So please make sure that you're > testing Linus's current -bk, or 2.5.42 plus > > http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.42/2.5.42-mm2/broken-out/dio-bio-add-fix-1.patch
I've applied this patch and retested. I was able to run dd once this time, hit ctrl-c, all ok. But I hit up-arrow and re-did it and it gave the same oops. I'm going to try with the full (latest) mm patch.
> Either that, or raid5 is bust ;) >
I guess so.
David
-- /==============================\ | David Mansfield | | lkml@dm.cobite.com | \==============================/
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