[Bug 992480] Re: fsck.btrfs of a 1TB volume triggers OOM kill on a 1GB RAM machine. (32-bit)

[Dmitrijs Ledkovs]

Right, I am waiting for my 1TB hard-drives to arrive. Somehow I am
suspecting that even the git master will die as well. If you are capable
of testing with btrfs kernel/dkms modules & btrfs-tools master (danger
do not use one) then by all means email the btrfs mailing list about
this. Alternatively I will do this test and submit bug upstream, when I
get my 1TB hard drives.

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Title:
  fsck.btrfs of a 1TB volume triggers OOM kill on a 1GB RAM machine.
  (32-bit)

Status in “btrfs-tools” package in Ubuntu:
  Confirmed

Bug description:
  fsck.btrfs of a 1TB volume triggers OOM kill on a 1GB RAM machine.
  (32-bit)

  Thats about all there is to say:

  sudo fsck -v /dev/sdd1
  fsck from util-linux 2.20.1
  fsck: Warning... fsck.btrfs for device /dev/sdd1 exited with signal 9.

  May  1 17:49:10 lifelesswks kernel: [639863.533203] Out of memory: Kill process 32192 (fsck.btrfs) score 846 or sacrifice child
  May  1 17:49:10 lifelesswks kernel: [639863.533210] Killed process 32192 (fsck.btrfs) total-vm:2555884kB, anon-rss:772228kB, file-rss:0kB

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