[restoring CC list] On Wed 13-11-13 17:29:15, Markus Blank-Burian wrote: > >> I have compiled my kernel with CONFIG_MEMCG_SWAP, > >> CONFIG_MEMCG_SWAP_ENABLED, CONFIG_MEMCG_KMEM and CONFIG_CGROUP_HUGETLB > >> options, although our machines have no active swap space at the > >> moment. > > > > No swap means that no charges are done by a group non-member. So the > > race Johannes was describing shouldn't be the problem in your case. > > > > Disabling CONFIG_MEMCG_SWAP and CONFIG_MEMCG_KMEM had no effect. > > >> memory.use_hierarchy support is enabled and memory is limited from the > >> job directory. I have mounted the cgroup to /var/slurm/cgroup/memory > >> in addition to the normal directory at /sys/fs/cgroup/memory. > > > > How exactly have you mounted it there? > > Mounted now at the correct position. > > > Btw. how reproducible is this? Do you think you could try to bisect > > it down? Reducing bisection to mm/ and kernel/ diretories should be > > sufficient I guess. > > I tried the one-liner from Johannes, but this also showed no effect. There is one more issue which is discussed in another thread (https://lkml.org/lkml/2013/11/15/31) and Tejun has posted a patch (and Hugh followed up on it https://lkml.org/lkml/2013/11/17/166) to fix the cgroup destruction path which may get stuck. > Bisectioning is still on my todo list, as git does not stay on the > aufs branch and i have to manually merge the aufs patch each step. -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
