This is verified as fixed with the Ubuntu 4.2.0-41 kernel as supported by the 14.04.4 Trusty LTS. The fix is out of scope for backporting to Precise, especially as btrfs is deemed experimental.
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- 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/1414048 Title: [trusty] btrfs: reboot/crash when running xfs btrfs tests 069 Status in linux package in Ubuntu: Fix Released Bug description: Running xfs btrfs specific tests 069 with various mount options with 7 target btrfs devices causes the kernel to crash when running inside a virtual machine. Test works OK with 3.16, so it's bisectable. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1414048/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp