Same panic stack trace here, but with a faulty disk and a running zpool resilver after reboot:
Jul 22 19:01:07 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:01:07 yagg Target 30 reset for command timeout recovery failed!
Jul 22 19:02:32 yagg genunix: [ID 107833 kern.notice] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:32 yagg Timeout of 60 seconds expired with 1 commands on target 34 lun 0.
Jul 22 19:02:32 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:32 yagg Disconnected command timeout for target 34 w5000c5002d7aebeb, enclosure 2
Jul 22 19:02:33 yagg genunix: [ID 243001 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:33 yagg mptsas_handle_event_sync: event 0xf, IOCStatus=0x8000, IOCLogInfo=0x31170000
Jul 22 19:02:36 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:36 yagg Log info 0x31140000 received for target 34 w5000c5002d7aebeb.
Jul 22 19:02:36 yagg scsi_status=0x0, ioc_status=0x8048, scsi_state=0xc
Jul 22 19:02:36 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:36 yagg mptsas_check_task_mgt: Task 0x3 failed. IOCStatus=0x4a IOCLogInfo=0x0 target=34
Jul 22 19:02:36 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:36 yagg mptsas_ioc_task_management failed try to reset ioc to recovery!
Jul 22 19:02:38 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:38 yagg MPT Firmware version v13.0.1.0 (SAS2004)
Jul 22 19:02:38 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:38 yagg mpt_sas0 MPI Version 0x200
Jul 22 19:02:38 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:02:38 yagg mpt0: IOC Operational.
Jul 22 19:04:44 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:04:44 yagg Target 34 reset for command timeout recovery failed!
Jul 22 19:04:47 yagg genunix: [ID 243001 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:04:47 yagg mptsas_handle_event_sync: event 0xf, IOCStatus=0x8000, IOCLogInfo=0x31170000
Jul 22 19:04:47 yagg genunix: [ID 243001 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:04:47 yagg mptsas_handle_event: IOCStatus=0x8000, IOCLogInfo=0x31170000
Jul 22 19:04:47 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:04:47 yagg Log info 0x31170000 received for target 34 p0.
Jul 22 19:04:47 yagg scsi_status=0x0, ioc_status=0x804b, scsi_state=0xc
Jul 22 19:05:00 yagg fmd: [ID 377184 daemon.error] SUNW-MSG-ID: ZFS-8000-FD, TYPE: Fault, VER: 1, SEVERITY: Major
Jul 22 19:05:00 yagg EVENT-TIME: Wed Jul 22 19:05:00 MEST 2015
Jul 22 19:05:00 yagg PLATFORM: X8SIL, CSN: 0123456789, HOSTNAME: yagg
Jul 22 19:05:00 yagg SOURCE: zfs-diagnosis, REV: 1.0
Jul 22 19:05:00 yagg EVENT-ID: 2de13ccc-234e-4a1d-cefd-c3f0c52abddd
Jul 22 19:05:00 yagg DESC: The number of I/O errors associated with a ZFS device exceeded
Jul 22 19:05:00 yagg acceptable levels. Refer to http://illumos.org/msg/ZFS-8000-FD for more information.
Jul 22 19:05:00 yagg AUTO-RESPONSE: The device has been offlined and marked as faulted. An attempt
Jul 22 19:05:00 yagg will be made to activate a hot spare if available.
Jul 22 19:05:00 yagg IMPACT: Fault tolerance of the pool may be compromised.
Jul 22 19:05:00 yagg REC-ACTION: Run 'zpool status -x' and replace the bad device.
Jul 22 19:16:27 yagg genunix: [ID 107833 kern.notice] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:27 yagg Timeout of 60 seconds expired with 1 commands on target 34 lun 0.
Jul 22 19:16:27 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:27 yagg Disconnected command timeout for target 34 w5000c5002d7aebeb, enclosure 2
Jul 22 19:16:27 yagg genunix: [ID 243001 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:27 yagg mptsas_handle_event_sync: event 0xf, IOCStatus=0x8000, IOCLogInfo=0x31170000
Jul 22 19:16:31 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:31 yagg Log info 0x31140000 received for target 34 w5000c5002d7aebeb.
Jul 22 19:16:31 yagg scsi_status=0x0, ioc_status=0x8048, scsi_state=0xc
Jul 22 19:16:31 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:31 yagg mptsas_check_task_mgt: Task 0x3 failed. IOCStatus=0x4a IOCLogInfo=0x0 target=34
Jul 22 19:16:31 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:31 yagg mptsas_ioc_task_management failed try to reset ioc to recovery!
Jul 22 19:16:32 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:32 yagg MPT Firmware version v13.0.1.0 (SAS2004)
Jul 22 19:16:32 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:32 yagg mpt_sas0 MPI Version 0x200
Jul 22 19:16:32 yagg genunix: [ID 723447 kern.warning] WARNING: vmem_destroy('rmap'): leaked 8 bytes
Jul 22 19:16:32 yagg genunix: [ID 365881 kern.info] /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:16:32 yagg mpt0: IOC Operational.
Jul 22 19:18:39 yagg genunix: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,d138@3/pci1000,3010@0 (mpt_sas0):
Jul 22 19:18:39 yagg unix: [ID 836849 kern.notice]
Jul 22 19:18:39 yagg ^Mpanic[cpu3]/thread=ffffff001ec4bc40:
Jul 22 19:18:39 yagg genunix: [ID 697804 kern.notice] vmem_hash_delete(ffffff04ec874000, 1, 8): bad free
Jul 22 19:18:39 yagg unix: [ID 100000 kern.notice]
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4b900 genunix:vmem_hash_delete+9b ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4b960 genunix:vmem_xfree+4b ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4b990 genunix:vmem_free+23 ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4b9e0 genunix:rmfree+6e ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4ba10 mpt_sas:mptsas_pkt_destroy_extern+cf ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4ba40 mpt_sas:mptsas_scsi_destroy_pkt+75 ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4ba60 scsi:scsi_destroy_pkt+1a ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bab0 ses:ses_callback+c1 ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bae0 mpt_sas:mptsas_pkt_comp+2b ()
Jul 22 19:18:39 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bb30 mpt_sas:mptsas_doneq_empty+ae ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bb70 mpt_sas:mptsas_intr+177 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bbe0 unix:av_dispatch_autovect+91 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec4bc20 unix:dispatch_hardint+36 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15a60 unix:switch_sp_and_call+13 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15ac0 unix:do_interrupt+a8 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15ad0 unix:cmnint+ba ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15bc0 unix:i86_mwait+d ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15c00 unix:cpu_idle_mwait+109 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15c20 unix:idle+a7 ()
Jul 22 19:18:40 yagg genunix: [ID 655072 kern.notice] ffffff001ec15c30 unix:thread_start+8 ()