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List:       linux-raid
Subject:    Re: 2.5.39 raid0 on Alpha: bug: can't convert block across chunks or bigger than 32k
From:       Jens Axboe <axboe () suse ! de>
Date:       2002-09-29 16:32:16
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On Sun, Sep 29 2002, Falk Hueffner wrote:
> Hi,
> 
> I've tried to mount a raid0 on an Alpha with kernel 2.5.39. It works
> fine with a RedHat 2.4.18. On 2.5.39, I quickly get the following
> messages, though:
> 
> raid0_make_request bug: can't convert block across chunks or bigger than 32k 138506232 48
> raid0_make_request bug: can't convert block across chunks or bigger than 32k 138506232 8

This is a bug in raid0 (well, all of the raid levels I suppose). They
need to set queue limitations based on low level device, and they need
to add a q->merge_bvec_fn() for the odd case.

Neil knows about this, so I hope he will fix it soon.

-- 
Jens Axboe

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