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ターゲットがタイムアウトになり Intel isci SAS HBA で停止した後 "BUG: unable to handle kernel" になりサーバーが再起動する

Solution Unverified - Updated -

Issue

サーバーが "BUG: unable to handle kernel" エラーで再起動し、以下のような Intel SAS HBA isci ドライバーエラーメッセージが表示されます。

Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff8807566b4080, old_request == ffff880421687000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff8807566b4080 , old_request == ffff880421687000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff88075795c700, old_request == ffff880421665000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff88075795c700 , old_request == ffff880421665000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff88081f4ab1c0, old_request == ffff880421653000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff88081f4ab1c0 , old_request == ffff880421653000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff880418bbde40, old_request == ffff88042162b000
Jul  5 09:34:24 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff880418bbde40 , old_request == ffff88042162b000
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff88081f996d00, old_request == ffff880421624000
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:25 app2 BUG: unable to handle kernel
Jul  5 09:34:25 app2
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff88081f996d00 , old_request == ffff880421624000
Jul  5 09:34:25 app2 sas: sas_scsi_find_task: task 0xffff88081f996d00 is done
Jul  5 09:34:25 app2 sas: sas_eh_handle_sas_errors: task 0xffff88081f996d00 is done
Jul  5 09:34:25 app2 sas: trying to find task 0xffff88081f4ab580
Jul  5 09:34:25 app2 sas: sas_scsi_find_task: aborting task 0xffff88081f4ab580
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task: dev = ffff880421584238 (SSP), task = ffff88081f4ab580, old_request == ffff880421604000
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task:<other> request or complete_in_target (1), or IDEV_GONE (0), thus no TMF
Jul  5 09:34:25 isci 0000:11:00.0: isci_task_abort_task:Done; dev = ffff880421584238, task = ffff88081f4ab580 , old_request == ffff880421604000
Jul  5 09:34:25 app2 sas: sas_scsi_find_task: task 0xffff88081f4ab580 is done
Jul  5 09:34:25 app2 sas: sas_eh_handle_sas_errors: task 0xffff88081f4ab580 is done
Jul  5 09:34:25 app2 sas: trying to find task 0xffff88080fc1d480

Environment

  • Red Hat Enterprise Linux Server 6.3 の kernel-2.6.32-279.9.1.el6
  • Red Hat Enterprise Linux Server 6.4 の kernel-2.6.32-358.el6
  • Serial Attached SCSI controller:Intel Corporation C604/X79 series chipset 4-Port SATA/SAS Storage Control Unit (rev 06)

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