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authorJames Smart <jsmart2021@gmail.com>2019-01-28 11:14:40 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-02-05 22:29:50 -0500
commitc160c0f8063e4225c069ac904a3f2cf89dcb3a81 (patch)
treed28b86a5a9cf5caafdfc227975e762d28297b0a4 /include
parent472e146d1cf3410a898b49834500fa9e33ac41a2 (diff)
scsi: lpfc: Fix nvmet issues when link bounce under IO load
Various null pointer dereference and general protection fault panics occur when there is a link bounce under load. There are a large number of "error" message 6413 indicating "bad release". The issues resolve to list corruptions due to missing or inconsistent lock protection. Lockups are due to nested locks in the unsolicited abort path. The unsolicited abort path calls the wrong abort processing routine. There was also duplicate context release while aborts were still active in the hardware. Removed duplicate locks and added lock protection around list item removal. Commonized lock handling around the abort processing routines. Prevent context release while still in ABTS list. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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