Re: [BUG] raid5 crash with 2.4.0-test12 [Was: Linux-2.4.0-test12]

[Jasper Spaans <jasper@spaans.ds9a.nl>]

On Wed, Dec 13, 2000 at 06:56:22AM +1100, Neil Brown wrote:

> Guilt by association :-)
> 
> What this bit of code (complete_stripe/raid5_end_buffer_io) is doing
> is observing that it as completed some I/O request that was made of
> the raid5 device and is calling the b_end_io on the buffer_head that
> is was passed.  So it is not one of raid5's buffers that has the bad
> b_end_io, but someone else's buffer that raid5 was asked to service.
> 
> You say "things with a mysql-db on a raid5-device".  Can I interpret
> this to mean that mysql was talking driectly to /dev/md0, or is there
> some filesystem in-between?
> Either way, I expect Linus' suggestion will provide the answer.

Will try to reproduce this, with Linus' suggestion; btw, this mysql-db is
running on ext2, nothing exotic.

Regards,
-- 
  Q_.        Jasper Spaans  <mailto:jspaans@mediakabel.nl>        -o)
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Mr /\                                                            _\_v
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