[Bug 970892] Re: btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()

[Gabriel de Perthuis]

Doesn't happen with  the current btrfs-progs git —
1957076ab4fefa47b6efed3da541bc974c83eed7
https://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git —
but this would take far too long to bisect.

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https://bugs.launchpad.net/bugs/970892

Title:
  btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()

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

Bug description:
  The crash happened after a few hours, when converting a large (550Gio)
  ext4 filesystem, and before the conversion could complete.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: btrfs-tools 0.19+20100601-3ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  ApportVersion: 2.0-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Sun Apr  1 13:48:08 2012
  EcryptfsInUse: Yes
  ExecutablePath: /sbin/btrfs-convert
  ProcCmdline: btrfs-convert /dev/mapper/raid-consolidated
  ProcEnviron:
   TERM=linux
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   LANGUAGE=fr_FR:en
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: btrfs-tools
  Title: btrfs-convert crashed with SIGSEGV in btrfs_csum_file_block()
  UpgradeStatus: Upgraded to precise on 2012-03-25 (6 days ago)
  UserGroups: pkcs11

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