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Description of problem:
Trying to specify ranges of cpus for CPUAffinity and they are not accepted.
CPUs need to be added individually which is a pain for large cpu systems
Version-Release number of selected component (if applicable):
RHEL7.4
systemd-219-42.el7_4.1.x86_64
How reproducible:
Always
Steps to Reproduce:
1. set the CPUAffinity for systemd in
/etc/systemd/system.conf
2. Trying to set CPUAffinity for a service to other cpus other than default group assigned to systemd in step 1.
Using an override file and specifying cpus in ranges e.g.
CPUAffinity=2-11,24-35,16-23,36-47
3. restart the service and it fails with
Failed at step CPUAFFINITY spawning /usr/sbin/httpd: Invalid argument
exit status=215/affinity
Actual results:
Service fails to start
Expected results:
Service starts
Additional info:
Service starts correctly if cpus are listed individually
Doesn't look like systemd supports ranges for CPUAffinity and enforces whitespace as a separator
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2018:0711