Re: 2.6.13-rc6 Oops with Software RAID, LVM, JFS, NFS

[Phil Dier]

On Fri, 12 Aug 2005 12:07:21 +1000
Neil Brown <neilb@xxxxxxxxxxxxxxx> wrote:
> You could possibly put something like
> 
> 	struct bio_vec *from;
> 	int i;
> 	bio_for_each_segment(from, bio, i)
> 		BUG_ON(page_zone(from->bv_page)==NULL);
> 
> in generic_make_requst in drivers/block/ll_rw_blk.c, just before
> the call to q->make_request_fn.
> This might trigger the bug early enough to see what is happening.


I've got tests running with this code in place, by I/O is so slow now
I don't think it's going to oops (or if it does, it'll be a while)..

Is there any other info I can collect to help track this down?

-- 

Phil Dier (ICGLink.com -- 615 370-1530 x733)

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