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SubjectRe: raid0_make_request bug: can't convert block across chunks or bigger than
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Andrew Morton <akpm@osdl.org> writes:

> mru@kth.se (Måns Rullgård) wrote:
>>
>> I'm using Linux 2.6.0 on an Alpha SX164 machine. Using four ATA
>> disks, hd[egik], on a Highpoint hpt374 controller, I created two raid0
>> arrays from hd[eg]1 and hd[ik]1, md0 and md1. From these, I created a
>> raid1 mirror, md4, on which I created an XFS filesystem. For various
>> reasons, I first ran md4 with only md0 as a member and filled it with
>> some files, all going well. Then, I added md1, and it was synced
>> properly. Now, I can mount md4 without problems. However, when I
>> read things, I get this in the kernel log:
>>
>> raid0_make_request bug: can't convert block across chunks or bigger than 32k 439200 32
>
> This was fixed post-2.6.0. 2.6.1-rc2 should be OK.

I just noticed.

>> raid1: Disk failure on md1, disabling device.
>> Operation continuing on 1 devices
>
> I assume this is due to the raid0 error above.

I should think so.

I'm still curious as to why it was only md1 that gave errors, and
never md0. Was it just coincidence?

--
Måns Rullgård
mru@kth.se
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