[Bug 1088185] [NEW] kernel hangs on boot with btrfs

[BeowulfOF]

Public bug reported:

Since kernel 3.5.0-17-generic was installed on my system, I had trouble
with booting into my system, only 1 of 10 times it bootet correctly.

I had tried to understand the problem and got mislead to the wifi-
drivers, but instead it was the btrfs-driver which had problems with the
root partition beeing btrfs. I had to hard reset my system several times
and ended in complete data loss as the btrfs got corruptet later.

I changed root partition to ext4 now, but I think that bug is
interesting to you guys.

beowulf at hive:~$ lsb_release -rd
Description:	Ubuntu 12.10
Release:	12.10
beowulf at hive:~$ apt-cache policy btrfs-tools
btrfs-tools:
  Installiert: 0.19+20120328-7ubuntu1
  Kandidat:    0.19+20120328-7ubuntu1
  Versionstabelle:
 *** 0.19+20120328-7ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: btrfs-tools 0.19+20120328-7ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
Uname: Linux 3.5.0-19-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
Date: Sun Dec  9 15:15:15 2012
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-12-08 (1 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: btrfs-tools
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: btrfs-tools (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal running-unity

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https://bugs.launchpad.net/bugs/1088185

Title:
  kernel hangs on boot with btrfs

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

Bug description:
  Since kernel 3.5.0-17-generic was installed on my system, I had
  trouble with booting into my system, only 1 of 10 times it bootet
  correctly.

  I had tried to understand the problem and got mislead to the wifi-
  drivers, but instead it was the btrfs-driver which had problems with
  the root partition beeing btrfs. I had to hard reset my system several
  times and ended in complete data loss as the btrfs got corruptet
  later.

  I changed root partition to ext4 now, but I think that bug is
  interesting to you guys.

  beowulf at hive:~$ lsb_release -rd
  Description:	Ubuntu 12.10
  Release:	12.10
  beowulf at hive:~$ apt-cache policy btrfs-tools
  btrfs-tools:
    Installiert: 0.19+20120328-7ubuntu1
    Kandidat:    0.19+20120328-7ubuntu1
    Versionstabelle:
   *** 0.19+20120328-7ubuntu1 0
          500 http://de.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: btrfs-tools 0.19+20120328-7ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Sun Dec  9 15:15:15 2012
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-12-08 (1 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: btrfs-tools
  UpgradeStatus: No upgrade log present (probably fresh install)

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