[Gluster-users] XFS and MD RAID

Brian Candler B.Candler at pobox.com
Tue Sep 18 20:34:38 UTC 2012

On Mon, Sep 10, 2012 at 09:29:25AM +0800, Jack Wang wrote:
> Hi Brian,
> below patch should fix your bug.
> John reports:
>  BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202]  [..]  Call Trace:
>   [<ffffffff8141782a>] scsi_remove_target+0xda/0x1f0
>   [<ffffffff81421de5>] sas_rphy_remove+0x55/0x60
>   [<ffffffff81421e01>] sas_rphy_delete+0x11/0x20
>   [<ffffffff81421e35>] sas_port_delete+0x25/0x160
>   [<ffffffff814549a3>] mptsas_del_end_device+0x183/0x270
> ...introduced by commit 3b661a9 "[SCSI] fix hot unplug vs async scan race".

I raised an Ubuntu bug which references this information and patch at

I have now been asked:

"Can you provide some information on the status of the patch with regards
to getting it merged upstream?  Has it been sent upstream, what sort of
feedback has it received, is it getting applied to a subsystem
maintainer's tree, etc?"

Do you have any info on this?



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