[Bug 62746] Raid 5 problem with 2.6.15-27

[neuromancer]

Public bug reported:

Binary package hint: linux-image-2.6-k7

After upgrade to 2.6.15-27 I'ving a problem with Raid 5. This is continuosly, and the error is:
"[17593006.932000] scheduling while atomic: md2_raid5/0xffffffff/2423
[17593006.932000]  [<c030b79d>] schedule+0x99d/0xd20
[17593006.932000]  [<c011f490>] __wake_up+0x40/0x60
[17593006.932000]  [<f89570c0>] release_stripe+0xc0/0x190 [raid5]
[17593006.932000]  [<c030c425>] schedule_timeout+0x75/0xc0
[17593006.932000]  [<f895b132>] raid5d+0x242/0x2f0 [raid5]
[17593006.932000]  [<c013c560>] prepare_to_wait+0x20/0x70
[17593006.932000]  [<f896af89>] md_thread+0xf9/0x150 [md_mod]
[17593006.932000]  [<c013c690>] autoremove_wake_function+0x0/0x60
[17593006.932000]  [<f896ae90>] md_thread+0x0/0x150 [md_mod]
[17593006.932000]  [<c013c157>] kthread+0xc7/0xd0
[17593006.932000]  [<c013c090>] kthread+0x0/0xd0
[17593006.932000]  [<c0101509>] kernel_thread_helper+0x5/0xc"

Every I/O access to the raid outputs and error like this (in 12 hours
the /var/log/kern.log is 2GB in size) and I've to stop syslod and klogd.
Not data corruption (at the moment) but I'm scared about.

Interesting data:
AMD Athlon Xp 2400+
1.5GB DDR
3 HD 200GB (1 IDE 2 SATA)
3 Raid 5 
     - /dev/md0        40GB   Raid 5   xfs    /
     - /dev/md1        140GB Raid 5   xfs    /home
     - /dev/md2        205GB Raid 5   xfs   
Ubuntu 6.06 LTS (with the lastest updates)
Kernel 2.6.15-27 (the lastest)
The only Raid that output this error is /dev/md2 (curious at lest).

Best regards,
neuromancer

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Raid 5 problem with 2.6.15-27
https://launchpad.net/bugs/62746