[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1060760
Title:
Hot plug and unplug causes system hangs
Status in “linux” package in Ubuntu:
Expired
Bug description:
We are testing our hardware stability with hot plug and unplug several
times and it causes our system hangs.
The SAS Controller is Intel C600 with driver version 1.0.0. The syslog
related to the issue listed below.
Oct 2 16:10:41 MyTestBox kernel: : [354243.488743] sas: command
0xffff881016964900, task 0xffff881014781a40, timed out: BLK_EH_NOT_HANDLED
Oct 2 16:10:41 MyTestBox kernel: : [354243.488766] sas: Enter
sas_scsi_recover_host
Oct 2 16:10:41 MyTestBox kernel: : [354243.488772] sas: trying to find task
0xffff881014781a40
Oct 2 16:10:41 MyTestBox kernel: : [354243.488776] sas: sas_scsi_find_task:
aborting task 0xffff881014781a40
Oct 2 16:10:41 MyTestBox kernel: : [354243.488780] sas: sas_scsi_find_task:
querying task 0xffff881014781a40
Oct 2 16:10:41 MyTestBox kernel: : [354243.488784] sas: sas_scsi_find_task:
task 0xffff881014781a40 at LU
Oct 2 16:10:41 MyTestBox kernel: : [354243.488787] sas: task
0xffff881014781a40 is at LU: lu recover
Oct 2 16:10:41 MyTestBox kernel: : [354243.488791] sas: eh: device
1000000012345674 LUN 0 has the task
Oct 2 16:10:41 MyTestBox kernel: : [354243.488803] sas: task
0xffff881014781a40 is not at LU: I_T recover
Oct 2 16:10:41 MyTestBox kernel: : [354243.488806] sas: I_T nexus reset for
dev 1000000012345674
Oct 2 16:10:41 MyTestBox kernel: : [354243.488891] isci 0000:03:00.0:
sci_remote_node_context_event_handler: invalid state 5
Oct 2 16:10:41 MyTestBox kernel: : [354243.488900] isci 0000:03:00.0:
isci_host_completion_routine: Error - request/task =
ffff881014506000/ffff881014781a40
Oct 2 16:12:01 MyTestBox kernel: : [354268.517338] isci 0000:03:00.0:
isci_port_perform_hard_reset: iport = ffff881014412b38; hard reset failed
(0x21) - driving explicit link fail for all phys
Oct 2 16:12:01 MyTestBox kernel: : [354268.517434] isci 0000:03:00.0:
sci_port_remove_phy: in wrong state: 7
Oct 2 16:12:01 MyTestBox kernel: : [354268.517450] isci 0000:03:00.0:
sci_remote_node_context_suspend: invalid state 3
Oct 2 16:12:01 MyTestBox kernel: : [354268.517455] isci 0000:03:00.0:
sci_port_hard_reset: in wrong state: 7
Oct 2 16:12:01 MyTestBox kernel: : [354268.517459] isci 0000:03:00.0:
isci_port_perform_hard_reset: iport = ffff881014412b38; sci_port_hard_reset
call failed 0x8
Oct 2 16:12:01 MyTestBox kernel: : [354268.517536] isci 0000:03:00.0:
isci_port_perform_hard_reset: iport = ffff881014412b38; hard reset failed
(0x21) - driving explicit link fail for all phys
Oct 2 16:12:01 MyTestBox kernel: : [354268.517625] isci 0000:03:00.0:
sci_port_remove_phy: in wrong state: 7
Oct 2 16:12:01 MyTestBox kernel: : [354268.517632] isci 0000:03:00.0:
sci_remote_node_context_resume: invalid state 4
Oct 2 16:12:01 MyTestBox kernel: : [354268.517636] sas: clearing nexus for
port:2
Oct 2 16:12:01 MyTestBox kernel: : [354268.517639] sas: clear nexus ha
Oct 2 16:12:01 MyTestBox kernel: : [354268.517641] sas: error from device
1000000012345674, LUN 0 couldn't be recovered in any way
Oct 2 16:12:01 MyTestBox kernel: : [354268.517646] sas: sas_ata_task_done:
SAS error 40
Oct 2 16:12:01 MyTestBox kernel: : [354268.517652] sas: --- Exit
sas_eh_handle_sas_errors -- clear_q
Oct 2 16:12:01 MyTestBox kernel: : [354268.517658] ata8: sas eh calling
libata port error handler
Oct 2 16:12:01 MyTestBox kernel: : [354268.517677] ata11: sas eh calling
libata port error handler
Oct 2 16:12:01 MyTestBox kernel: : [354268.517685] ata11.00: exception Emask
0x0 SAct 0x0 SErr 0x0 action 0x6
Oct 2 16:12:01 MyTestBox kernel: : [354268.517731] ata11.00: failed command:
IDENTIFY DEVICE
Oct 2 16:12:01 MyTestBox kernel: : [354268.517778] ata11.00: cmd
ec/00:01:00:00:00/00:00:00:00:00/00 tag 0 pio 512 in
Oct 2 16:12:01 MyTestBox kernel: : [354268.517780] res
01/04:00:00:00:00/00:00:00:00:00/00 Emask 0x12 (ATA bus error)
Oct 2 16:12:01 MyTestBox kernel: : [354268.517911] ata11.00: status: { ERR }
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