System rebooted when pulling one of the HBA / FC cable

Solution Unverified - Updated -

Issue

  • System rebooted when pulling one of the HBA / FC cable. Collected vmcore.

System information :

   DMI_BIOS_VENDOR: Dell Inc.
   DMI_BIOS_VERSION: 2.2.5
   DMI_BIOS_DATE: 09/06/2016
   DMI_SYS_VENDOR: Dell Inc.
   DMI_PRODUCT_NAME: PowerEdge R730
   CPUS: 28
   DATE: Fri Apr 14 03:31:38 2017
   UPTIME: 02:46:04
   LOAD AVERAGE: 0.00, 0.03, 0.05
   TASKS: 1185
   NODENAME: Hostname
   RELEASE: 3.10.0-327.44.2.el7.x86_64
   MEMORY: 511.9 GB
   PANIC: "BUG: unable to handle kernel NULL pointer dereference at 0000000000000035"
   PID: 16455
   COMMAND: "dmpdaemon"
   TASK: ffff887f21716780  [THREAD_INFO: ffff887f2329c000]
   CPU: 8
   STATE: TASK_RUNNING (PANIC)

Third party modules

crash> mod -t
NAME       TAINTS
veki       POE
fdd        POE
vxspec     POE
vxportal   POE
dmpaa      POE
dmpap      POE
vxcafs     POE
dmpjbod    POE
vxdmp      POE
vxfs       POE
RedCastle  POE
vxio       POE
gab        POE
llt        POE
crash> 

Environment

  • Red Hat Enterprise Linux 7

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