Re: raid0_make_request bug: can't convert block across chunks or bigger than

[mru@kth.se (Måns Rullgård)]

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