Breakage with raid in 2.6.11-rc1-mm1 [Regression in mm]

[Reuben Farrelly]

Something seems to have broken with 2.6.11-rc1-mm1, which worked ok with 
2.6.10-mm3.

NET: Registered protocol family 17
Starting balanced_irq
BIOS EDD facility v0.16 2004-Jun-25, 2 devices found
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
VFS: Waiting 19sec for root device...
VFS: Waiting 18sec for root device...
VFS: Waiting 17sec for root device...
VFS: Waiting 16sec for root device...
VFS: Waiting 15sec for root device...
VFS: Waiting 14sec for root device...
VFS: Waiting 13sec for root device...
VFS: Waiting 12sec for root device...
VFS: Waiting 11sec for root device...
VFS: Waiting 10sec for root device...
VFS: Waiting 9sec for root device...
VFS: Waiting 8sec for root device...
VFS: Waiting 7sec for root device...
VFS: Waiting 6sec for root device...
VFS: Waiting 5sec for root device...
VFS: Waiting 4sec for root device...
VFS: Waiting 3sec for root device...
VFS: Waiting 2sec for root device...
VFS: Waiting 1sec for root device...
VFS: Cannot open root device "md2" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

The system is running 5 RAID-1 partitions, and md2 is the root as per 
grub.conf.  Problem seems to be that raid autodetection finds no raid 
partitions :(

The two ST380013AS SATA drives are detected earlier in the boot, so I don't 
think that's the problem..

Reuben

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