[Beowulf] IBM alert for GPFS crashes on RHEL 7.6

[Chris Samuel]

Hi folks,

A heads up for folks running GPFS on RHEL7.6 (and I guess derivatives) 
from a colleague on the Australian HPC Slack:

https://www-01.ibm.com/support/docview.wss?uid=ibm10887213&myns=s033&mynp=OCSTXKQY&mync=E&cm_sp=s033-_-OCSTXKQY-_-E

"IBM has identified an issue in IBM Spectrum Scale (GPFS) version that 
support RHEL7.6 (4.2.3.13 or later and 5.0.2.2 or later), in which a 
RHEL7.6 node running kernel versions 3.10.0-957.19.1 or higher, 
including 3.10.0-957.21.2, may encounter a kernel crash while running an 
IO operations."

Basically it looks like they've fallen foul of this hardening fix:

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9548906b

All the best,
Chris
-- 
  Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA