Bug#908216: btrfs blocked for more than 120 seconds

2019-03-02 Thread Nicholas D Steeves
On Sat, Mar 02, 2019 at 05:12:42PM -0600, Russell Mosemann wrote: >I used btrfs-progs (4.17-1~bpo9+1) from the backports repository, which >does have zstd support. btrfs-check does need zstd support. Otherwise, it >will error out with unsupported feature (10). > Unfortunately

Bug#908216: btrfs blocked for more than 120 seconds

2019-03-02 Thread Russell Mosemann
I used btrfs-progs (4.17-1~bpo9+1) from the backports repository, which does have zstd support. btrfs-check does need zstd support. Otherwise, it will error out with unsupported feature (10). -- Russell Mosemann -Original Message- From: "Nicholas D Steeves" Sent: Saturday, March 2,

Bug#908216: btrfs blocked for more than 120 seconds

2019-03-02 Thread Nicholas D Steeves
Hi Russell, The backport of btrfs-progs is old and doesn't have libzstd support, and I'm still waiting for a sponsor (#922951), but if you'd like to give it a try before it hits the archive: dget https://mentors.debian.net/debian/pool/main/b/btrfs-progs/btrfs-progs_4.20.1-2~bpo9+1.dsc cd

Bug#908216: btrfs blocked for more than 120 seconds

2019-03-02 Thread Russell Mosemann
We continue to see hangs on one or more servers every night. It happens when copying a file into the btrfs partition. The result of the hang is that the CPU goes to 50% I/O wait or higher for hours. Only a reboot resets the process. Based on this behavior and the kernel errors, it looks like