RHEL 7.5 server under Azure cloud going to non responsive mode - Error CPU: 0 PID:xxxx Comm: Lpb Server thre Tainted: G

Solution In Progress - Updated -

Issue

  • RHEL 7.5 server under Azure cloud was unresponsive.
  • Message logs gives no error.
May 23 19:16:01 acemnlpmmbcap01 systemd: Removed slice User Slice of root.
May 23 19:16:01 acemnlpmmbcap01 systemd: Stopping User Slice of root.
My 26 08:41:42 acemnlpmmbcap01 kernel: Initializing cgroup subsys cpuset
May 26 08:41:42 acemnlpmmbcap01 kernel: Initializing cgroup subsys cpu
May 26 08:41:42 acemnlpmmbcap01 kernel: Initializing cgroup subsys cpuacct
May 26 08:41:42 acemnlpmmbcap01 kernel: Linux version 3.10.0-862.el7.x86_64 (mockbuild@x86-034.build.eng.bos.redhat.com) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC) ) #1 SMP Wed Mar 21 18:14:51 EDT 2018
  • Serial log error message
[37820.337015] CPU: 0 PID: 89143 Comm: Lpb Server thre Tainted: G           OE  ------------   3.10.0-862.el7.x86_64 #1
[37820.337015] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090007  06/02/2017
[37820.337015] task: ffff904b983f8000 ti: ffff904c10790000 task.ti: ffff904c10790000
[37820.337015] RIP: 0010:[<ffffffffc0819ebd>]  [<ffffffffc0819ebd>] page_array_memset+0x4d/0xa0 [veeamsnap]

Environment

  • Red Hat Enterprise Linux 7.5 on Azure cloud

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