Messages in this thread | | | Date | Fri, 19 Aug 2016 15:27:51 +0200 | From | Michal Hocko <> | Subject | Re: OOM killer invoked during btrfs send/recieve on otherwise idle machine |
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On Tue 02-08-16 09:48:01, Chris Murphy wrote: > On Tue, Aug 2, 2016 at 9:38 AM, Chris Murphy <lists@colorremedies.com> wrote: > > Yesterday I saw oom killer knocking off processes during a simple cp > > -a from one Btrfs to another, in a VM, with kernel > > 4.8.0-0.rc0.git3.1.fc25.x86_64. The call trace looks different than > > Markus' so I'm not sure it's the same problem. It's not always > > reproducible. It hasn't happened on 4.7.0 though. According ot koji > > this is Linux v4.7-6438-gc624c86 > > > > This is 'journalctl -o short-monotonic -b-4 -k' > > > > https://drive.google.com/open?id=0B_2Asp8DGjJ9ZC1JSDJnaWpnSEE > > Btrfs volume 2 is created at [ 625.769736] and mounted at [ > 640.119150], with the copy starting shortly after that. OOM happens at > [ 856.212658] . There are a bunch of earlier bug messages, BUG: > sleeping function called from invalid context at mm/slab.h:393.
It seems that the current linux-next + http://lkml.kernel.org/r/f7a9ea9d-bb88-bfd6-e340-3a933559305a@suse.cz seems like helped other users. Could you try this as well please? -- Michal Hocko SUSE Labs
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