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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1242552

Title:
  btrfs filesystem balance <device> <path> results in Kernel BUG

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Added a new device to an existing btrfs volume.
  Running a balance operation results in the Kernel BUG attached.
  From a few quick Google Searches, it appears to be a know bug with the specific Kernel Version in use and a patch with the fix should have been added to 3.11.4.

  Kind regards,
  Márcio Santos

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-12-generic 3.11.0-12.19
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Oct 21 07:33 seq
   crw-rw---- 1 root audio 116, 33 Oct 21 07:33 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Date: Mon Oct 21 08:29:18 2013
  HibernationDevice: RESUME=UUID=54a74c3c-7415-44f4-9cb7-f037483e6c2a
  IwConfig:
   lo        no wireless extensions.
   
   virbr0    no wireless extensions.
   
   em1       no wireless extensions.
  MachineType: HP ProLiant MicroServer
  MarkForUpload: True
  PciMultimedia:
   
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.11.0-12-generic root=UUID=4674f3ab-c702-4476-a424-d90911b416b0 ro rootflags=subvol=@ splash quiet vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2013-10-18 (2 days ago)
  dmi.bios.date: 07/29/2011
  dmi.bios.vendor: HP
  dmi.bios.version: O41
  dmi.chassis.asset.tag: MicroServer
  dmi.chassis.type: 7
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrO41:bd07/29/2011:svnHP:pnProLiantMicroServer:pvr:cvnHP:ct7:cvr:
  dmi.product.name: ProLiant MicroServer
  dmi.sys.vendor: HP

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