[Bug 793410] Re: btrfsck assert failure: btrfsck: disk-io.c:416: find_and_setup_root: Assertion `!(!root->node)' failed.

[Carey Underwood]

Thou shalt keep backups when using experimental filesystems.

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Title:
  btrfsck assert failure: btrfsck: disk-io.c:416: find_and_setup_root:
  Assertion `!(!root->node)' failed.

Status in “btrfs-tools” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: btrfs-tools

  not sure if it's a hdd problem or not, but the FS is a goner :-(

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: btrfs-tools 0.19+20100601-3ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  AssertionMessage: btrfsck: disk-io.c:416: find_and_setup_root: Assertion `!(!root->node)' failed.
  Date: Mon Jun  6 08:40:05 2011
  ExecutablePath: /sbin/btrfsck
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdline: btrfsck /dev/sda3
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   LANGUAGE=en_US:en
  Signal: 6
  SourcePackage: btrfs-tools
  StacktraceTop:
   raise () from /lib/x86_64-linux-gnu/libc.so.6
   abort () from /lib/x86_64-linux-gnu/libc.so.6
   __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
   ?? ()
   ?? ()
  Title: btrfsck assert failure: btrfsck: disk-io.c:416: find_and_setup_root: Assertion `!(!root->node)' failed.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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