kernel crash in __scsi_remove_device

This document (7014765) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11 SP3

Situation

This crash might originate from different behaviors, for instance after pulling out and reinsertion of a tape drive into a SAN library, or a rezoning of the pathlight gateway in combination with zfcp.allow_lun_scan=1, etc.

The backtrace looks like the following:
crash64> bt
PID: 10221  TASK: ffff88000fbdc580  CPU: 1   COMMAND: "kworker/1:1"
  #0 [ffff88000ef5fba0] machine_kexec at ffffffff8102bf8e
  #1 [ffff88000ef5fbf0] crash_kexec at ffffffff810ab67a
  #2 [ffff88000ef5fcc0] oops_end at ffffffff8145f7b8
  #3 [ffff88000ef5fce0] general_protection at ffffffff8145e7b5
     [exception RIP: __scsi_remove_device+157]
     RIP: ffffffffa000f64d  RSP: ffff88000ef5fd90  RFLAGS: 00010046
     RAX: dead000000200200  RBX: ffff880fa15d3000  RCX: 0000000000007ece
     RDX: dead000000100100  RSI: 0000000000000282  RDI: ffff880fa4830050
     RBP: ffff880fa15d3138   R8: 0000000000000020   R9: ffffffff81bd3040
     R10: 00002580fffffe80  R11: dead000000200200  R12: ffff880fa4830000
     R13: 0000000000000202  R14: ffff880fa4830010  R15: ffffffffa012dae0
     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
  #4 [ffff88000ef5fda8] scsi_remove_device at ffffffffa000f708 [scsi_mod]
  #5 [ffff88000ef5fdc8] __scsi_remove_target at ffffffffa000f7d5 [scsi_mod]
  #6 [ffff88000ef5fdf8] scsi_remove_target at ffffffffa000f8d1 [scsi_mod]
  #7 [ffff88000ef5fe28] process_one_work at ffffffff8107b3bc
  #8 [ffff88000ef5fe78] worker_thread at ffffffff8107df8a
  #9 [ffff88000ef5fee8] kthread at ffffffff810822c6
 #10 [ffff88000ef5ff48] kernel_thread_helper at ffffffff8146716

Resolution

The kernel update released July 2014, kernel -3.0.101-0.35.1 includes the patch to resolve the problem.

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7014765
  • Creation Date: 20-Mar-2014
  • Modified Date:23-Feb-2021
    • SUSE Linux Enterprise Server

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