There is some kind of bug, also tried with 256 KiB, it ran 2 tests 
(bonnie++) OK but then on the third, BANG, bonnie++ is now in D-state, 
pretty nasty bug there.

On Tue, 26 Jun 2007, Justin Piszcz wrote:

If you set the stripe_cache_size less than or equal to the chunk size of the 
SW RAID5 array, the processes will hang in D-state indefinitely until you 
change the stripe_cache_size to > chunk_size.

Tested with 2.6.22-rc6 and a 128 KiB RAID5 Chunk Size, when I set it to 256 
KiB, no problems.  128 KiB and below cause issues.

Justin.
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