I am still having deadlocks, only thing that will fix it is setting the
stripe_cache_size on the md device higher.

echo 16384 > /sys/block/md0/md/stripe_cache_size

Linux sarah 2.6.24-21-generic #1 SMP Mon Aug 25 16:57:51 UTC 2008 x86_64
GNU/Linux

Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] 
[raid10] 
md0 : active raid5 sde1[0] sdc1[7] sdd1[6] sdf1[5] sdg1[4] sdb1[3] sda1[2] 
sdh1[1]
      3418686208 blocks level 5, 256k chunk, algorithm 2 [8/8] [UUUUUUUU]
      [========>............]  resync = 44.4% (216937632/488383744) 
finish=84.5min speed=53527K/sec
      
unused devices: <none>

[EMAIL PROTECTED]:~# xfs_info /dev/md0 
meta-data=/dev/md0               isize=256    agcount=75, agsize=11446528 blks
         =                       sectsz=4096  attr=1
data     =                       bsize=4096   blocks=854671552, imaxpct=25
         =                       sunit=64     swidth=192 blks, unwritten=1
naming   =version 2              bsize=4096  
log      =internal               bsize=4096   blocks=32768, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=0
realtime =none                   extsz=786432 blocks=0, rtextents=0

If you need some more information, please ask.

-- 
mdadm with Raid5 stuck in uninterruptable sleep
https://bugs.launchpad.net/bugs/208551
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