From: Phil Dier <phil@icglink.com>
To: Neil Brown <neilb@cse.unsw.edu.au>
Cc: linux-kernel@vger.kernel.org, ziggy@icglink.com,
scott@icglink.com, jack@icglink.com
Subject: Re: 2.6.13-rc6 Oops with Software RAID, LVM, JFS, NFS
Date: Fri, 12 Aug 2005 12:35:05 -0500 [thread overview]
Message-ID: <20050812123505.1515634c.phil@icglink.com> (raw)
In-Reply-To: <17148.1113.664829.360594@cse.unsw.edu.au>
On Fri, 12 Aug 2005 12:07:21 +1000
Neil Brown <neilb@cse.unsw.edu.au> 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)
/* vim:set noai nocindent ts=8 sw=8: */
next prev parent reply other threads:[~2005-08-12 17:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-11 15:59 Phil Dier
2005-08-12 2:07 ` Neil Brown
2005-08-12 4:17 ` Phil Dier
2005-08-12 17:35 ` Phil Dier [this message]
2005-08-12 18:35 ` Sonny Rao
2005-08-15 2:03 ` Phil Dier
2005-08-15 2:40 ` Zwane Mwaikambo
2005-08-15 3:08 ` Robert Love
2005-08-15 3:20 ` Zwane Mwaikambo
2005-08-15 17:44 ` Phil Dier
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