Jan 22 00:28:48 noisy kernel: [61344.928146] ------------[ cut here ]------------
Jan 22 00:28:48 noisy kernel: [61344.928237] kernel BUG at /usr/src/btrfs-unstable/fs/btrfs/inode.c:147!
Jan 22 00:28:48 noisy kernel: [61344.928339] invalid opcode: 0000 [#1] SMP
Jan 22 00:28:48 noisy kernel: [61344.928414] last sysfs file: /sys/devices/system/cpu/cpu1/topology/thread_siblings
Jan 22 00:28:48 noisy kernel: [61344.928533] CPU 1
Jan 22 00:28:48 noisy kernel: [61344.928571] Modules linked in: btrfs cryptd aes_x86_64 aes_generic libceph zlib_deflate libcrc32c ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables kvm_intel kvm bridge stp radeon ppdev i5000_edac ttm drm_kms_helper joydev drm edac_core ioatdma i2c_algo_bit parport_pc serio_raw i5k_amb shpchp dca ghes hed lp parport usbhid hid e1000e ahci libahci [last unloaded: btrfs]
Jan 22 00:28:48 noisy kernel: [61344.929845]
Jan 22 00:28:48 noisy kernel: [61344.929882] Pid: 3823, comm: cosd Tainted: G        W   2.6.37-12-server #26~lucid1-Ubuntu X7DVL/X7DVL
Jan 22 00:28:48 noisy kernel: [61344.930006] RIP: 0010:[<ffffffffa0425288>]  [<ffffffffa0425288>] insert_inline_extent+0x328/0x330 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930006] RSP: 0018:ffff880188fe5998  EFLAGS: 00010286
Jan 22 00:28:48 noisy kernel: [61344.930006] RAX: 00000000ffffffe4 RBX: 0000000000000000 RCX: 0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930006] RDX: 0000000000000000 RSI: ffff88019a6cdcf0 RDI: 0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930006] RBP: ffff880188fe5a28 R08: 0000000000002bd0 R09: 00000000ffffffe4
Jan 22 00:28:48 noisy kernel: [61344.930540] R10: ffff8801a1575000 R11: ffff880162e71d00 R12: ffff88018abfb688
Jan 22 00:28:48 noisy kernel: [61344.930540] R13: 0000000000000635 R14: 0000000000000620 R15: 0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930540] FS:  00007f413667e700(0000) GS:ffff8800cfd00000(0000) knlGS:0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930540] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jan 22 00:28:48 noisy kernel: [61344.930540] CR2: 00007f94897b1000 CR3: 00000001822a2000 CR4: 00000000000026e0
Jan 22 00:28:48 noisy kernel: [61344.930540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930540] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jan 22 00:28:48 noisy kernel: [61344.930540] Process cosd (pid: 3823, threadinfo ffff880188fe4000, task ffff8801a0044440)
Jan 22 00:28:48 noisy kernel: [61344.930540] Stack:
Jan 22 00:28:48 noisy kernel: [61344.930540]  0000000000025e3a 0000000000000000 ffff8801a1575000 0000000000000976
Jan 22 00:28:48 noisy kernel: [61344.930540]  ffff880162e71d00 000000000000006c ffff88019a6cdcf0 0000000000000000
Jan 22 00:28:48 noisy kernel: [61344.930540]  0000000000025e3a 000000000000006c ffff880188fe5900 00000635815caf0e
Jan 22 00:28:48 noisy kernel: [61344.930540] Call Trace:
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa04253ae>] cow_file_range_inline+0x11e/0x190 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa04256f7>] cow_file_range+0x2d7/0x360 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa042aa32>] run_delalloc_range+0x362/0x410 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa04449f5>] __extent_writepage+0x585/0x6e0 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa0444f12>] T.1014+0x262/0x330 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff81097b3a>] ? get_futex_key+0x14a/0x180
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff81051ae0>] ? __dequeue_entity+0x30/0x50
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa04450f6>] extent_writepages+0x46/0x60 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa042c450>] ? btrfs_get_extent+0x0/0x8d0 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffffa0423937>] btrfs_writepages+0x27/0x30 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff81115bf1>] do_writepages+0x21/0x40
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff8110bb0b>] __filemap_fdatawrite_range+0x5b/0x60
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff8110bdd3>] filemap_fdatawrite_range+0x13/0x20
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff8118c0e9>] sys_sync_file_range+0x169/0x1a0
Jan 22 00:28:48 noisy kernel: [61344.930540]  [<ffffffff8100c102>] system_call_fastpath+0x16/0x1b
Jan 22 00:28:48 noisy kernel: [61344.930540] Code: f8 03 48 0f af c2 4c 89 ea 48 c1 e0 0c 48 01 f0 4a 8d 34 38 e8 ba b6 01 00 83 6b 1c 01 48 8b 7d 98 e8 9d 1a cf e0 e9 f4 fe ff ff <0f> 0b eb fe 0f 1f 40 00 55 48 89 e5 48 83 ec 70 48 89 5d d8 4c
Jan 22 00:28:48 noisy kernel: [61344.930540] RIP  [<ffffffffa0425288>] insert_inline_extent+0x328/0x330 [btrfs]
Jan 22 00:28:48 noisy kernel: [61344.930540]  RSP <ffff880188fe5998>
Jan 22 00:28:48 noisy kernel: [61344.959526] ---[ end trace e39b7a52dec88e0a ]---