Verified with the test script of #5. Kernel in -proposed solves the problem.
Steps used: 1. Verified that release kernel 4.4.0-24-generic still had the problem. 2. Verified that kernel 4.4.0.25 from -proposed contains the resolution: # apt-get install -s -t xenial-proposed 'linux-headers-4.4.0.25$' 'linux-headers-4.4.0.25-generic$' 'linux-image-4.4.0.25-generic$' 'linux-image-extra-4.4.0.25-generic$' # reboot # cat /proc/version Linux version 4.4.0-25-generic (buildd@lgw01-05) (gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2.1) ) #44-Ubuntu SMP Fri Jun 10 18:19:48 UTC 2016 # ./test-btrfs-write-while-snapshotting.sh [problem did not show up on 10 consecutive runs] Problem solved, changing tag to 'verification-done-xenial'. ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584052 Title: btrfs: file write crashes with false ENOSPC during snapshot creation since kernel 4.4 - fix available To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584052/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
