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Oracle VM 3.4.5: VM Having ocfs2 Volume Crashes After Migration (Doc ID 2528680.1)

Last updated on APRIL 20, 2021

Applies to:

Oracle VM - Version 3.4.5 and later
Information in this document applies to any platform.

Symptoms

VMs which are part of ocfs2 cluster are crashed after migration running kernel is  kernel 4.1.12-124.19.4.el6uek.x86_64.

vmcore shows below call trace.

KERNEL:/share/linuxrpm/vmlinux_repo/64/4.1.12-124.19.2.el6uek.x86_64/vmlinux
DUMPFILE: 2018-0927-1107.07-0004fb0000060000bb9dec6215d4474f.15.core
CPUS: 2 [OFFLINE: 1]
DATE: Thu Sep 27 01:07:07 2018
UPTIME: 5 days, 18:08:00
LOAD AVERAGE: 2.41, 2.17, 2.04
TASKS: 419
NODENAME: <hostname>
RELEASE: 4.1.12-124.19.2.el6uek.x86_64
VERSION: #2 SMP Fri Sep 14 08:59:12 PDT 2018
MACHINE: x86_64 (2200 Mhz)
MEMORY: 16 GB
PANIC: "kernel BUG at drivers/block/xen-blkfront.c:897!"
PID: 1604
COMMAND: "o2hb-347DEC7758"
TASK: ffff8803f85caa00 [THREAD_INFO: ffff8803fa400000]
CPU: 0
STATE: TASK_RUNNING (PANIC)

Cause

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In this Document
Symptoms
Cause
Solution
References


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