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libreport version: 2.0.8 abrt_version: 2.0.7 cmdline: BOOT_IMAGE=/vmlinuz-3.3.0-4.fc16.i686 root=UUID=8cc58239-407e-4d30-97e5-355246e0a7f9 ro rd.md=0 rd.lvm=0 rd.dm=0 quiet SYSFONT=latarcyrheb-sun16 rhgb KEYTABLE=uk rd.luks=0 LANG=en_US.UTF-8 kernel: 3.3.0-4.fc16.i686 reason: kernel BUG at fs/btrfs/disk-io.c:2880! time: Thu 19 Apr 2012 07:33:52 PM IST backtrace: :kernel BUG at fs/btrfs/disk-io.c:2880! :invalid opcode: 0000 [#1] SMP :Modules linked in: btrfs zlib_deflate libcrc32c usb_storage ppdev parport_pc lp parport fuse fcoe libfcoe libfc 8021q garp stp scsi_transport_fc llc scsi_tgt nf_conntrack_ipv4 nf_defrag_ipv4 ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state ip6table_filter nf_conntrack ip6_tables arc4 rtl8192se rtlwifi mac80211 snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm cfg80211 snd_timer snd iTCO_wdt jmb38x_ms jme soundcore sparse_keymap memstick iTCO_vendor_support i2c_i801 rfkill snd_page_alloc serio_raw mii microcode joydev uinput sdhci_pci sdhci mmc_core wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] :Pid: 1642, comm: umount Not tainted 3.3.0-4.fc16.i686 #1 Advent Eclipse E100 /Eclipse E100 :EIP: 0060:[<f9402f89>] EFLAGS: 00010286 CPU: 0 :EIP is at write_all_supers+0x6e9/0x6f0 [btrfs] :EAX: 0000003a EBX: e97d37e8 ECX: 000000b1 EDX: 00000000 :ESI: dd01be4c EDI: e97d37e8 EBP: dd01be5c ESP: dd01be20 : DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 :Process umount (pid: 1642, ti=dd01a000 task=dd02cb60 task.ti=dd01a000) :Stack: : f94649d0 00000001 1b980000 00000000 00000000 00000000 00000001 e9715000 : ebe18000 00000001 e97d37e8 e97d37e8 dbfb3000 ebe1edc8 ebe18dc8 dd01be64 : f9402fa1 dd01beb8 f9407aaf 00000000 f9408035 00000001 00000000 dbfb2000 :Call Trace: : [<f9402fa1>] write_ctree_super+0x11/0x20 [btrfs] : [<f9407aaf>] btrfs_commit_transaction+0x59f/0x7a0 [btrfs] : [<f9408035>] ? start_transaction+0x75/0x300 [btrfs] : [<c0455850>] ? remove_wait_queue+0x40/0x40 : [<f93e0de7>] btrfs_sync_fs+0x57/0xb0 [btrfs] : [<c055bedf>] __sync_filesystem+0x5f/0x90 : [<c055bf69>] sync_filesystem+0x39/0x50 : [<c0536c31>] generic_shutdown_super+0x31/0xd0 : [<c0536d51>] kill_anon_super+0x11/0x20 : [<f93e39b4>] btrfs_kill_super+0x14/0x80 [btrfs] : [<c0536f10>] deactivate_locked_super+0x30/0x80 : [<c0537897>] deactivate_super+0x47/0x60 : [<c054e9b2>] mntput_no_expire+0xb2/0x100 : [<c054f4fa>] sys_umount+0x6a/0x330 : [<c04a724e>] ? __audit_syscall_exit+0x36e/0x3a0 : [<c092e7b4>] syscall_call+0x7/0xb : [<c0920000>] ? start_secondary+0x237/0x28d :Code: c7 e9 a7 fd ff ff 89 4c 24 04 c7 04 24 d0 49 46 f9 e8 df 3a 52 c7 0f 0b 8b 55 e8 c7 04 24 d0 49 46 f9 89 54 24 04 e8 ca 3a 52 c7 <0f> 0b 90 8d 74 26 00 55 89 e5 3e 8d 74 26 00 89 d0 89 ca e8 ff :EIP: [<f9402f89>] write_all_supers+0x6e9/0x6f0 [btrfs] SS:ESP 0068:dd01be20 comment: :Unclean Unmount of BTRFS volume : :Simply pull out USB Drive while mounted
This also happens on 2.6.32-220.13.1.el6.x86_64 3.3.0-4.fc16.x86_64
# Mass update to all open bugs. Kernel 3.6.2-1.fc16 has just been pushed to updates. This update is a significant rebase from the previous version. Please retest with this kernel, and let us know if your problem has been fixed. In the event that you have upgraded to a newer release and the bug you reported is still present, please change the version field to the newest release you have encountered the issue with. Before doing so, please ensure you are testing the latest kernel update in that release and attach any new and relevant information you may have gathered. If you are not the original bug reporter and you still experience this bug, please file a new report, as it is possible that you may be seeing a different problem. (Please don't clone this bug, a fresh bug referencing this bug in the comment is sufficient).
With no response, we are closing this bug under the assumption that it is no longer an issue. If you still experience this bug, please feel free to reopen the bug report.