Re: aoe disk not recognized as part of raid

[Richard Scobie <richard@sauce.co.nz>]

NeilBrown wrote:
> On Sat, May 24, 2008 1:00 am, Lars Täuber wrote:
>> Sorry!
>>
>>> mdadm version 2.6.6 although it is reported as:
>>> monosan:~ # mdadm -V
>>> mdadm - v2.6 - 21 December 2006
>> I accidentally compiled mdadm 2.6 instead of 2.6.6. But this is even
>> worse:
>>
>> monosan:~ # mdadm -V
>> mdadm - v2.6.6 - 19th May 2008
>> monosan:~ # mdadm -As
>> Segmentation fault
> 
> That's bad.
> What do you get from:
> 
>  ulimit -c unlimited
>  mdadm -As
>  gdb `which mdadm` core
>  where
> 
> ??
> 
> NeilBrown

I saw this last week, but can unfortunately only offer limited 
information - for various reasons, this system is no longer available.

On an up to date Fedora 8 x86_64 2.6.24.7-92.fc8 sytem, I replaced mdadm 
with a locally built mdadm 2.6.5 - compiled with -O2.

On the next reboot, the md RAID1 / failed to assemble, with mdadm 
errors. When I accessed from a rescue disk, running mdadm -A /dev/mdX 
(can't rember exact dev), returned "Segmentation fault".

If it's any use, I do still have a complete mdadm 2.6.5 tree containing 
the faulty objects from this system.

Regards,

Richard
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