OK, it is reproducible - I have a filserver with 6x 3TB in a BTRFS RAID 1+0 configuration.
>From a client (and using NFS) I copy a 95GB tar file from the fileserver to a USB HD. It seems at the very end (when BTRFS deletes the 95GB file on the server it falls over - btrfs-transaction and btrfs-flush_del using 3 to 5 cores at 50 to 100%. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1238658 Title: rsync between two btrfs filesystems causes machines to crash with symptoms of memory leak Status in “linux” package in Ubuntu: Confirmed Bug description: Using the latest 13.10 (kernel 3.11.0-12-generic) we performed a backup which is essentially an rsync from a 6 disk array to a USB HDD - both are BTRFS filesystems After several hours the machine was unresponsive and the screen full of out of memory errors and killing lots of different processes. This was happening at the same time as bug #1237794 - the bugs may be related, they may not. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1238658/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

