Ah, indeed it seems btrfs is unhappy on your machine. Setting back to New for now, as I don't know how to debug this kernel/fs bug from here on, I'm afraid.
** Summary changed: - ubuntu 15.04 hangs at purple scren even with nomodeset + btrfs-transaction hangs ** Package changed: linux-flo (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: Incomplete => New ** Tags removed: systemd-boot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1444070 Title: btrfs-transaction hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1444070/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs