Re: WARNING: at drivers/scsi/scsi_lib.c:1196 scsi_setup_fs_cmndduring RAID5 startup.

[Dave Jones]

On Wed, Jun 12, 2013 at 03:43:46PM -0400, Dave Jones wrote:
 > 3.10 seems to have a problem with dirty RAID5 sets.
 > 
 > I've got a machine that panics on boot during RAID5 activation.
 > After switching the BUG_ON to a WARN_ON, I was able to get this over serial console..
 > 
 > md/raid:md0: not clean -- starting background reconstruction
 > md/raid:md0: device sdd1 operational as raid disk 2
 > md/raid:md0: device sdc1 operational as raid disk 1
 > md/raid:md0: device sdb1 operational as raid disk 0
 > md/raid:md0: allocated 3300kB
 > md/raid:md0: raid level 5 active with 3 out of 3 devices, algorithm 2
 > md0: detected capacity change from 0 to 499847790592
 > md: resync of RAID array md0
 > md: minimum _guaranteed_  speed: 1000 KB/sec/disk.
 > md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for resync.
 > md: using 128k window, over a total of 244066304k.
 > md: resuming resync of md0 from checkpoint.
 > WARNING: at drivers/scsi/scsi_lib.c:1196 scsi_setup_fs_cmnd+0xa3/0xb0()

https://lkml.org/lkml/2013/5/19/75

I think my favorite part of this month old thread is..

"in that case we could have waited for a long time"

Jens?

	Dave

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