Re: 2.5.49: kernel BUG at drivers/block/ll_rw_blk.c:1950!

Jens Axboe (axboe@suse.de)
Wed, 27 Nov 2002 09:29:31 +0100


On Wed, Nov 27 2002, Srihari Vijayaraghavan wrote:
> Hello Neil,
>
> On Wednesday 27 November 2002 07:13, Neil Brown wrote:
> > Srihari, could you possibly try with the following patch please to see
> > if it gives more useful information.
>
> No worries. That did the trick.
>
> The following message appears just before the first oops:
> Nov 27 18:56:32 localhost kernel: bio_add_page: want to add 4096 at 17658 but
> only allowed 3072 - prepare to oops...

Neil, this is the problem. Currently a driver _must_ be able to accept a
page worth of data at any location...

-- 
Jens Axboe

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