After installing an operating system patch on a Linux machine, the Foglight Agent Manager (FglAM) or Foglight Management Server (FMS) does not start up anymore. It failed with a Java Virtual Machine memory allocation error.
During startup the following error can be found:
In June 19, 2017, Red Hat released a new fix which addressing the CVE-2017-1000364 kernel: heap/stack gap jumping via unbounded stack allocations.
This fix caused a new issue for several Red Hat versions and all Linux systems which applied the CSV fixing “JVM crashes after updating to kernel with patch for Stack Guard flaw (CVE-2017-1000364)”
The resolution from Red Hat is to upgrade to its newer kernel version. Problematic kernel version is: 2.6.32-696.3.2.el6.x86_64.
If an kernel upgrade is not possible please follow the workaround below to get Foglight up and running again.
Preferred Solution:
Follow Red Hat KB3091371 upgrade to new Linux kernel.
Workaround:
To fix the issue in Foglight Agent Manager (FglAM) please set the following parameter:
If the Foglight Agent Manager installer file failed to start, please use the following command:
$FGLAM_HOME/fglam-XXX.bin -D-Xss2m
To fix the issue in Foglight Management Server (FMS) please set the following parameter:
If the Foglight Management Server (FMS) installer file failed to start, please use the following command:
$FMSHOME/bin/fms-XXX.bin -D-Xss2m
*********** How to verify if the OS has being upgraded recently********
Please run with root access level:
rpm -qa --last | less
and see the date
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