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 d...@fb.com 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: [8141782a]

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 dresche...@gmail.com wrote: On Wed, Aug 29, 2012 at 10:59 AM, Dan Williams d...@fb.com 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!

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

2012-09-01 Thread Stefan Ring
Dan Williams djbw at 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 list

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

2012-08-29 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: [8141782a] scsi_remove_target+0xda/0x1f0 [81421de5] sas_rphy_remove+0x55/0x60 [81421e01] sas_rphy_delete+0x11/0x20

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: [8141782a] scsi_remove_target+0xda/0x1f0 [81421de5]

[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: [8141782a] scsi_remove_target+0xda/0x1f0 [81421de5] sas_rphy_remove+0x55/0x60 [81421e01] sas_rphy_delete+0x11/0x20 [81421e35] sas_port_delete+0x25/0x160