libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.1.9-1.fc16.x86_64 root=/dev/mapper/vg_mathieulinux-lv_root ro rd.lvm.lv=vg_mathieulinux/lv_root rd.md=0 rd.dm=0 rd.lvm.lv=vg_mathieulinux/lv_swap quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 KEYTABLE=fr LANG=en_US.UTF-8
kernel:         3.1.9-1.fc16.x86_64
reason:         kernel BUG at fs/btrfs/inode.c:1581!
time:           Mon 23 Jan 2012 12:57:28 PM CET

backtrace:
:kernel BUG at fs/btrfs/inode.c:1581!
:invalid opcode: 0000 [#1] SMP 
:CPU 0 
:Modules linked in: bluetooth rfkill vmnet vsock vmci vmmon lp ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle tun bridge stp llc ppdev parport_pc parport fuse lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device iTCO_wdt iTCO_vendor_support e1000e i2c_i801 snd_pcm dcdbas snd_timer snd soundcore microcode snd_page_alloc serio_raw uinput sunrpc btrfs zlib_deflate libcrc32c i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 431, comm: btrfs-fixup-0 Not tainted 3.1.9-1.fc16.x86_64 #1 Dell Inc.                 Dell DM061                   /0WG864
:RIP: 0010:[<ffffffffa0143f02>]  [<ffffffffa0143f02>] btrfs_writepage_fixup_worker+0x152/0x160 [btrfs]
:RSP: 0000:ffff8800b3c73de0  EFLAGS: 00010246
:RAX: 0000000000000000 RBX: ffffea0000855c00 RCX: 0000000000000000
:RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff880097842738
:RBP: ffff8800b3c73e30 R08: ffff8800b3c73d1c R09: ffff8800b3c73d98
:R10: 0000000000000001 R11: 0000000000000010 R12: 0000000000000000
:R13: ffff880097842808 R14: 0000000000000000 R15: 0000000000000fff
:FS:  0000000000000000(0000) GS:ffff8800bf400000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
:CR2: 00007fa420c6f000 CR3: 000000002f2f6000 CR4: 00000000000006f0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process btrfs-fixup-0 (pid: 431, threadinfo ffff8800b3c72000, task ffff8800b3d98000)
:Stack:
: ffff88006fc18d88 ffff8800978426a0 0000000000000000 ffff8800b30ff8c0
: ffff8800b3c73e50 ffff8800b2031ea0 ffff88006fc18db0 ffff8800b2031ef0
: ffff8800b2031eb8 ffff8800b3c73e98 ffff8800b3c73ee0 ffffffffa0168472
:Call Trace:
: [<ffffffffa0168472>] worker_loop+0x142/0x520 [btrfs]
: [<ffffffffa0168330>] ? btrfs_queue_worker+0x2b0/0x2b0 [btrfs]
: [<ffffffff8108df6c>] kthread+0x8c/0xa0
: [<ffffffff815df334>] kernel_thread_helper+0x4/0x10
: [<ffffffff8108dee0>] ? kthread_worker_fn+0x190/0x190
: [<ffffffff815df330>] ? gs_change+0x13/0x13
:Code: 00 48 8b 7d b8 48 8d 4d c8 41 b8 50 00 00 00 4c 89 fa 4c 89 e6 e8 4f 89 01 00 eb b3 48 89 df e8 e5 03 fd e0 0f 1f 44 00 00 eb 92 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 
:RIP  [<ffffffffa0143f02>] btrfs_writepage_fixup_worker+0x152/0x160 [btrfs]
: RSP <ffff8800b3c73de0>