I am working with cgroups on OpenSuse (over VirtualBox) and I cannot disable the OOM killer by writing to the file memory.oom_control:
> echo 1 > memory.oom_control
> -bash: echo: write error: Invalid argument
I can change the memory limit and several other settings by writing to the appropriate files (like memory.limit_in_bytes) but I could never write to file memory.oom_control although I am root.
I saw someone posted a similar issue a few days ago but there was no reply...
I have copied below the sequence of command I am using. Any idea what could be the issue ?
Thanks in advance for your help!
Hedi
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/sys/fs> su - root
/sys/fs> cd cgroup
/sys/fs/cgroup> cgcreate -g memory:/mygroup
/sys/fs/cgroup> cd memory/mygroup
/sys/fs/cgroup/memory/mygroup> echo 32M > memory.limit_in_bytes
/sys/fs/cgroup/memory/mygroup> cat memory.limit_in_bytes
33554432
/sys/fs/cgroup/memory/mygroup> echo 1 > memory.oom_control
-bash: echo: write error: Invalid argument
/sys/fs/cgroup/memory/mygroup> cat memory.oom_control
oom_kill_disable 0
under_oom 0
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