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

From: Dave Jones
Date: Wed Jun 12 2013 - 16:11:04 EST

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()

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

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



To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at