2012/9/19 Brian Candler <B.Candler at pobox.com>: > 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 > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1049013 > > 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? > > Thanks, > > Brian. Hi Brian, Patch is not been applied to subsystem maintainer's tree yet, James may busy with other staff, you can send mail to James <James.Bottomley at HansenPartnership.com> & linux scsi linux-scsi at vger.kernel.org push this bug fix to be include in to mainline. Jack
