Public bug reported: Here's what happens:
$ sudo update-grub /usr/sbin/grub-probe: error: failed to get canonical path of . Reading the shell scripts, this is grub-mkconfig running "/usr/sbin /grub-probe --target=device /". Root filesystem is a (currently degraded) multi-device btrfs: /dev/sda6 on / type btrfs (rw,degraded,subvol=@) ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: grub-common 2.00-13ubuntu3 ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 Date: Mon Sep 23 14:50:20 2013 InstallationDate: Installed on 2013-09-23 (0 days ago) InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64 (20130423.1) MarkForUpload: True ProcEnviron: SHELL=/bin/bash TERM=linux PATH=(custom, no user) LANG=en_US.UTF-8 SourcePackage: grub2 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug raring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1229438 Title: update-grub fails with degraded multi-device btrfs root filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1229438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs