[Bug 841216] Re: btrfsck crashed with SIGABRT in raise()

[Tamas Papp]

I'm not sure whether my error is the same or not:

$ fsck.btrfs /dev/sda3
couldn't open because of unsupported option features (8).
fsck.btrfs: disk-io.c:679: open_ctree_fd: Assertion `!(1)' failed.
zsh: abort (core dumped)  fsck.btrfs /dev/sda3

My system does not freeze and I can mount the device with no problem.
The partition is on an SSD, system is an uptodate Precise:
3.2.0-19-generic
btrfs-tools  0.19+20100601-3ubuntu3


I think, this is a serious error.

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https://bugs.launchpad.net/bugs/841216

Title:
  btrfsck crashed with SIGABRT in raise()

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

Bug description:
  kommt immer wieder

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: btrfs-tools 0.19+20100601-3ubuntu3
  ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
  Uname: Linux 3.0.0-10-generic x86_64
  NonfreeKernelModules: fglrx
  Architecture: amd64
  Date: Sat Aug 27 15:40:14 2011
  ExecutablePath: /sbin/btrfsck
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
  ProcCmdline: fsck.btrfs /dev/sdb1
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  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
   btrfs_lookup_extent_info (trans=<optimized out>, root=0xc705a0, bytenr=5428174848, num_bytes=4096, refs=0x0, flags=0x7fffaeab1088) at extent-tree.c:1453
   run_next_block (extent_cache=0x7fffaeab1038, nodes=0x7fffaeab1078, reada=0x7fffaeab1068, seen=0x7fffaeab1048, pending=0x7fffaeab1058, last=<synthetic pointer>, bits=0xc717b0, root=0xc705a0, bits_nr=<optimized out>) at btrfsck.c:2508
   check_extents (root=0xc705a0) at btrfsck.c:2796
  Title: btrfsck crashed with SIGABRT in raise()
  UpgradeStatus: Upgraded to oneiric on 2011-08-10 (25 days ago)
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