Public bug reported:

Running Linux 2.6.20-15-server #2 SMP 32bit

First, I also had the "UUID of raid devices have changed after upgrade
to Feisty", which I "fixed" by editing mdadm.conf with the new id. After
that I started the array which rebuilt itself.

I thought everything was allright, until a hard crash. I rebooted, array was 
dirty AND degraded, and I had to manually re-add a drive. (mind you, the drive 
that faults is random, so there arn't any real bad drive here)
Even display image disappears when it crashes.

I don't really know where to look for information on the crash, or even
what is causing it, all I know it was not happening in 6.10 and might be
mdadm/raid5 related. I'm also using cryptsetup for 128 bit AES
encryption on top of this raid5.

** Affects: Ubuntu
     Importance: Undecided
         Status: Unconfirmed


** Tags: crash feisty mdadm

** Description changed:

- Running Linux desk-dfs 2.6.20-15-server #2 SMP 32bit
+ Running Linux 2.6.20-15-server #2 SMP 32bit
  
  First, I also had the "UUID of raid devices have changed after upgrade
  to Feisty", which I "fixed" by editing mdadm.conf with the new id. After
  that I started the array which rebuilt itself.
  
  I thought everything was allright, until a hard crash. I rebooted, array was 
dirty AND degraded, and I had to manually re-add a drive. (mind you, the drive 
that faults is random, so there arn't any real bad drive here)
  Even display image disappears when it crashes.
  
  I don't really know where to look for information on the crash, or even
  what is causing it, all I know it was not happening in 6.10 and might be
  mdadm/raid5 related. I'm also using cryptsetup for 128 bit AES
  encryption on top of this raid5.

** Tags added: crash feisty mdadm

-- 
Feisty crash possibly related to mdadm/raid5
https://bugs.launchpad.net/bugs/110304
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