Re: [resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-09-04 Thread Dan Williams
On Tue, Sep 4, 2012 at 7:02 AM, John Drescher wrote: > On Wed, Aug 29, 2012 at 10:59 AM, Dan Williams wrote: >> On Wed, 2012-08-29 at 06:50 +, Bart Van Assche wrote: >>> On 08/29/12 05:12, Dan Williams wrote: >>> > John reports: >>> > BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202

Re: [resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-09-04 Thread John Drescher
On Wed, Aug 29, 2012 at 10:59 AM, Dan Williams wrote: > On Wed, 2012-08-29 at 06:50 +, Bart Van Assche wrote: >> On 08/29/12 05:12, Dan Williams wrote: >> > John reports: >> > BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202] >> > [..] >> > Call Trace: >> > [] scsi_remove_target+

Re: [resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-09-01 Thread Stefan Ring
Dan Williams fb.com> writes: > John reports: > BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202] > [..] > > ...introduced by commit 3b661a9 "[SCSI] fix hot unplug vs async scan race". > > Don't restart lookup of more stargets in the multi-target case, just > arrange to traverse the l

Re: [resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-08-29 Thread Dan Williams
On Wed, 2012-08-29 at 06:50 +, Bart Van Assche wrote: > On 08/29/12 05:12, Dan Williams wrote: > > John reports: > > BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202] > > [..] > > Call Trace: > > [] scsi_remove_target+0xda/0x1f0 > > [] sas_rphy_remove+0x55/0x60 > > [] sas_rphy

Re: [resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-08-28 Thread Bart Van Assche
On 08/29/12 05:12, Dan Williams wrote: > John reports: > BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202] > [..] > Call Trace: > [] scsi_remove_target+0xda/0x1f0 > [] sas_rphy_remove+0x55/0x60 > [] sas_rphy_delete+0x11/0x20 > [] sas_port_delete+0x25/0x160 > [] mptsas_del_end_

[resend PATCH] scsi_remove_target: fix softlockup regression on hot remove

2012-08-28 Thread Dan Williams
John reports: BUG: soft lockup - CPU#2 stuck for 23s! [kworker/u:8:2202] [..] Call Trace: [] scsi_remove_target+0xda/0x1f0 [] sas_rphy_remove+0x55/0x60 [] sas_rphy_delete+0x11/0x20 [] sas_port_delete+0x25/0x160 [] mptsas_del_end_device+0x183/0x270 ...introduced by commit 3b661a9 "[SCS