Red Hat Enterprise Linux kernel 2.6.32-754.6.3 is not supported by Veeam Agent for Linux 1.x and 2.x.

Challenge

Veeam Agent for Linux may cause an operating system crash on machines running Red Hat Enterprise Linux (RHEL) or its derivatives (CentOS, Oracle Linux) with Linux kernel version 2.6.32-754.6.3.el6 (update RHSA-2018:2846).

Cause

Veeamsnap, Agent for Linux kernel module (versions 1.x and 2.x) is not compatible with Linux kernel version 2.6.32-754.6.3.el6.
 

Solution

The issue is specific to kernel version 2.6.32-754.6.3.el6. For details please refer to the following article: https://access.redhat.com/solutions/3658111
This issue is addressed in the following kernel updates: Red Hat Enterprise Linux 6.10.z - kernel-2.6.32-754.9.1.el6 via RHBA-2018:3763.
Workaround: boot the system from kernels earlier than kernel-2.6.32-754.6.3.el6.