Hi,
i got the following error today.
2015-07-31 21:00:19 ---[ end Kernel panic - not syncing: Watchdog
detected hard LOCKUP on cpu 12
2015-07-31 21:00:19 Kernel Offset: 0x0 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffff9fffffff)
2015-07-31 21:00:18 Shutting down cpus with NMI
2015-07-31 21:00:17 Kernel panic - not syncing: Watchdog detected
hard LOCKUP on cpu 12
2015-07-31 21:00:13 ---[ end trace f1b45f288cc28a82 ]---
2015-07-31 21:00:13 RSP <ffff880f0cb7fb28>
2015-07-31 21:00:13 RIP [<ffffffffa02152ee>]
insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 21:00:13 Code: 45 10 49 89 d9 48 8b 55 c8 4c 89 34 24 4c
89 e9 4c 89 fe 4c 89 e7 48 89 44 24 10 8b 45 28 89 44 24 08 e8 a6 ee ff
ff 31 c0 eb ae <0f> 0b 0f 1f 44 00 00 55 ba c0 00 00 00 65 48 8b 04 25
80 a8 00
2015-07-31 21:00:12 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 21:00:12 [<ffffffff815f9088>] ret_from_fork+0x58/0x90
2015-07-31 21:00:12 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 21:00:12 [<ffffffff81090af9>] kthread+0xc9/0xe0
2015-07-31 21:00:12 [<ffffffffa02313f0>] ? open_ctree+0x22e0/0x22e0
[btrfs]
2015-07-31 21:00:12 [<ffffffffa02315bd>]
transaction_kthread+0x1cd/0x250 [btrfs]
2015-07-31 21:00:12 [<ffffffffa023390e>]
btrfs_commit_transaction+0x4e/0xae0 [btrfs]
2015-07-31 21:00:12 [<ffffffffa0221f8b>]
btrfs_run_delayed_refs+0x7b/0x2a0 [btrfs]
2015-07-31 21:00:12 [<ffffffff810a81cc>] ? put_prev_entity+0x3c/0x310
2015-07-31 21:00:12 [<ffffffffa021f754>]
__btrfs_run_delayed_refs+0xdf4/0x11b0 [btrfs]
2015-07-31 21:00:12 [<ffffffff810a0e05>] ? sched_clock_cpu+0x85/0xc0
2015-07-31 21:00:12 [<ffffffffa0215db6>]
__btrfs_inc_extent_ref.isra.74+0xa6/0x270 [btrfs]
2015-07-31 21:00:12 [<ffffffffa020945a>] ?
btrfs_alloc_path+0x1a/0x20 [btrfs]
2015-07-31 21:00:12 [<ffffffff81187fb2>] ? kmem_cache_alloc+0x122/0x130
2015-07-31 21:00:11 Call Trace:
2015-07-31 21:00:11 ffffea003bf76800 0000000000002203
ffff880a368620b8 ffff88105347d800
2015-07-31 21:00:11 0000000000000001 ffffffff81187fb2
ffff880f0cb7fb88 ffffffffa020945a
2015-07-31 21:00:11 0000000000000000 0000000000000005
0000000000000001 0000000000000000Stack:
2015-07-31 21:00:11 CR2: 00007fd544c85a84 CR3: 0000000001a14000 CR4:
00000000001407e0
2015-07-31 21:00:11 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2015-07-31 21:00:11 FS: 0000000000000000(0000)
GS:ffff88107fc00000(0000) knlGS:0000000000000000
2015-07-31 21:00:11 R13: 0000000000000000 R14: 0000000000000000 R15:
ffff88095a4d0c60
2015-07-31 21:00:11 R10: 0000000000000000 R11: 0000000000000002 R12:
ffff8810539ce000
2015-07-31 21:00:11 RBP: ffff880f0cb7fba8 R08: 0000000000004000 R09:
ffff880f0cb7fa08
2015-07-31 21:00:11 RDX: 0000000000002000 RSI: 0000000000000001 RDI:
0000000000000000
2015-07-31 21:00:11 RAX: 0000000000000000 RBX: 0000000000000001 RCX:
0000000000000001
2015-07-31 21:00:11 RSP: 0018:ffff880f0cb7fb28 EFLAGS: 00010293
2015-07-31 21:00:10 RIP: 0010:[<ffffffffa02152ee>]
[<ffffffffa02152ee>] insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 21:00:10 task: ffff880896429d30 ti: ffff880f0cb7c000
task.ti: ffff880f0cb7c000
2015-07-31 21:00:10 Hardware name: Supermicro X10DRH/X10DRH-IT, BIOS
1.0c 02/18/2015
2015-07-31 21:00:10 CPU: 8 PID: 4407 Comm: btrfs-transacti Tainted:
G D W O 4.2-rc3-ph #1
2015-07-31 21:00:10 Modules linked in: dm_mod netconsole ipt_REJECT
nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables
cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative
bonding ext2 coretemp usbhid loop ehci_pci ehci_hcd sb_edac usbcore
i2c_i801 ipmi_si edac_core i2c_core usb_common shpchp ipmi_msghandler
button btrfs lzo_compress raid0 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq raid1 md_mod sg ixgbe(O)
i40e(O) sd_mod vxlan ip6_udp_tunnel udp_tunnel ahci ptp aacraid libahci
pps_core
2015-07-31 21:00:10 invalid opcode: 0000 [#3] SMP
2015-07-31 21:00:10 kernel BUG at fs/btrfs/extent-tree.c:1833!
2015-07-31 21:00:10 ------------[ cut here ]------------
2015-07-31 20:59:48 Fixing recursive fault but reboot is needed!
2015-07-31 20:59:48 ---[ end trace f1b45f288cc28a81 ]---
2015-07-31 20:59:48 CR2: ffffffffffffffd8
2015-07-31 20:59:48 RSP <ffff880f7b6c7728>
2015-07-31 20:59:48 RIP [<ffffffff81090d80>] kthread_data+0x10/0x20
2015-07-31 20:59:48 Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83
e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 87 c0 08 00
00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
44 00 00
2015-07-31 20:59:48 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 20:59:48 [<ffffffff815f9088>] ret_from_fork+0x58/0x90
2015-07-31 20:59:48 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 20:59:48 [<ffffffff81090af9>] kthread+0xc9/0xe0
2015-07-31 20:59:48 [<ffffffff8108b0f0>] ?
process_scheduled_works+0x40/0x40
2015-07-31 20:59:47 [<ffffffff8108b213>] worker_thread+0x123/0x430
2015-07-31 20:59:47 [<ffffffff8108ae53>] process_one_work+0x153/0x3b0
2015-07-31 20:59:47 [<ffffffffa0265802>]
btrfs_extent_refs_helper+0x12/0x20 [btrfs]
2015-07-31 20:59:47 [<ffffffffa02653e9>]
normal_work_helper+0xb9/0x2a0 [btrfs]
2015-07-31 20:59:47 [<ffffffffa0222487>]
delayed_ref_async_start+0x37/0x90 [btrfs]
2015-07-31 20:59:47 [<ffffffffa0221f8b>]
btrfs_run_delayed_refs+0x7b/0x2a0 [btrfs]
2015-07-31 20:59:47 [<ffffffffa0234955>] ?
start_transaction+0x135/0x5c0 [btrfs]
2015-07-31 20:59:47 [<ffffffff8109a3cd>] ? ttwu_do_wakeup+0x1d/0xd0
2015-07-31 20:59:47 [<ffffffffa021f754>]
__btrfs_run_delayed_refs+0xdf4/0x11b0 [btrfs]
2015-07-31 20:59:47 [<ffffffff810a8874>] ? enqueue_entity+0x384/0x990
2015-07-31 20:59:47 [<ffffffffa0215db6>]
__btrfs_inc_extent_ref.isra.74+0xa6/0x270 [btrfs]
2015-07-31 20:59:47 [<ffffffffa020945a>] ?
btrfs_alloc_path+0x1a/0x20 [btrfs]
2015-07-31 20:59:47 [<ffffffff81187fb2>] ? kmem_cache_alloc+0x122/0x130
2015-07-31 20:59:46 [<ffffffffa0215270>] ?
insert_inline_extent_backref+0x60/0xe0 [btrfs]
2015-07-31 20:59:46 [<ffffffffa02152ee>] ?
insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 20:59:46 [<ffffffff815fa7a8>] invalid_op+0x18/0x20
2015-07-31 20:59:46 [<ffffffff81003520>] do_invalid_op+0x20/0x30
2015-07-31 20:59:46 [<ffffffffa024d0d4>] ?
btrfs_get_token_64+0x64/0xf0 [btrfs]
2015-07-31 20:59:46 [<ffffffffa02152ee>] ?
insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 20:59:46 [<ffffffff81002f5c>] do_error_trap+0xbc/0x100
2015-07-31 20:59:46 [<ffffffff81091822>] ?
__atomic_notifier_call_chain+0x12/0x20
2015-07-31 20:59:46 [<ffffffff81002db9>] do_trap+0x69/0x150
2015-07-31 20:59:46 [<ffffffff81006678>] die+0x58/0x90
2015-07-31 20:59:46 [<ffffffff810064e6>] oops_end+0x96/0xe0
2015-07-31 20:59:45 [<ffffffff81076877>] do_exit+0x6d7/0xa30
2015-07-31 20:59:45 [<ffffffff815f5319>] schedule+0x29/0x70
2015-07-31 20:59:45 [<ffffffff815f5048>] __schedule+0x5a8/0x810
2015-07-31 20:59:45 [<ffffffff8108be95>] wq_worker_sleeping+0x15/0xa0
2015-07-31 20:59:45 Call Trace:
2015-07-31 20:59:45 ffff880f7b6c7fd8 0000000000011ac0
ffff880f7b6c77a8 ffff88104ebf1d30
2015-07-31 20:59:45 ffff880f7b6c77b8 ffffffff815f5048
ffff88104ebf1d30 0000000000011ac0
2015-07-31 20:59:45 ffff880f7b6c7748 ffffffff8108be95
ffff880f7b6c7748 ffff88104ebf2648Stack:
2015-07-31 20:59:45 CR2: 0000000000000028 CR3: 0000000001a14000 CR4:
00000000001407e0
2015-07-31 20:59:45 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2015-07-31 20:59:44 FS: 0000000000000000(0000)
GS:ffff88107fcc0000(0000) knlGS:0000000000000000
2015-07-31 20:59:44 R13: 000000000000000e R14: 0000000000000001 R15:
ffff88104ebf1d30
2015-07-31 20:59:44 R10: ffff8809e9c28000 R11: 0000000000000000 R12:
ffff88107fcd1ac0
2015-07-31 20:59:44 RBP: ffff880f7b6c7728 R08: 0000000000000001 R09:
0000000000000027
2015-07-31 20:59:44 RDX: 0000000000000000 RSI: 000000000000000e RDI:
ffff88104ebf1d30
2015-07-31 20:59:44 RAX: 0000000000000000 RBX: 000000000000000e RCX:
0000000000000000
2015-07-31 20:59:44 RSP: 0018:ffff880f7b6c7728 EFLAGS: 00010092
2015-07-31 20:59:44 RIP: 0010:[<ffffffff81090d80>]
[<ffffffff81090d80>] kthread_data+0x10/0x20
2015-07-31 20:59:44 task: ffff88104ebf1d30 ti: ffff880f7b6c4000
task.ti: ffff880f7b6c4000
2015-07-31 20:59:44 Hardware name: Supermicro X10DRH/X10DRH-IT, BIOS
1.0c 02/18/2015
2015-07-31 20:59:44 CPU: 14 PID: 9212 Comm: kworker/u66:6 Tainted: G
D W O 4.2-rc3-ph #1
2015-07-31 20:59:43 Modules linked in: dm_mod netconsole ipt_REJECT
nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables
cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative
bonding ext2 coretemp usbhid loop ehci_pci ehci_hcd sb_edac usbcore
i2c_i801 ipmi_si edac_core i2c_core usb_common shpchp ipmi_msghandler
button btrfs lzo_compress raid0 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq raid1 md_mod sg ixgbe(O)
i40e(O) sd_mod vxlan ip6_udp_tunnel udp_tunnel ahci ptp aacraid libahci
pps_core
2015-07-31 20:59:43 Oops: 0000 [#2] SMP
2015-07-31 20:59:43 PGD 1a15067 PUD 1a17067 PMD 0
2015-07-31 20:59:43 IP: [<ffffffff81090d80>] kthread_data+0x10/0x20
2015-07-31 20:59:43 BUG: unable to handle kernel paging request at
ffffffffffffffd8
2015-07-31 20:59:43 ---[ end trace f1b45f288cc28a80 ]---
2015-07-31 20:59:43 RSP <ffff880f7b6c7ab8>
2015-07-31 20:59:42 RIP [<ffffffffa02152ee>]
insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 20:59:42 Code: 45 10 49 89 d9 48 8b 55 c8 4c 89 34 24 4c
89 e9 4c 89 fe 4c 89 e7 48 89 44 24 10 8b 45 28 89 44 24 08 e8 a6 ee ff
ff 31 c0 eb ae <0f> 0b 0f 1f 44 00 00 55 ba c0 00 00 00 65 48 8b 04 25
80 a8 00
2015-07-31 20:59:42 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 20:59:42 [<ffffffff815f9088>] ret_from_fork+0x58/0x90
2015-07-31 20:59:42 [<ffffffff81090a30>] ? kthread_worker_fn+0x150/0x150
2015-07-31 20:59:42 [<ffffffff81090af9>] kthread+0xc9/0xe0
2015-07-31 20:59:42 [<ffffffff8108b0f0>] ?
process_scheduled_works+0x40/0x40
2015-07-31 20:59:42 [<ffffffff8108b213>] worker_thread+0x123/0x430
2015-07-31 20:59:42 [<ffffffff8108ae53>] process_one_work+0x153/0x3b0
2015-07-31 20:59:42 [<ffffffffa0265802>]
btrfs_extent_refs_helper+0x12/0x20 [btrfs]
2015-07-31 20:59:42 [<ffffffffa02653e9>]
normal_work_helper+0xb9/0x2a0 [btrfs]
2015-07-31 20:59:41 [<ffffffffa0222487>]
delayed_ref_async_start+0x37/0x90 [btrfs]
2015-07-31 20:59:41 [<ffffffffa0221f8b>]
btrfs_run_delayed_refs+0x7b/0x2a0 [btrfs]
2015-07-31 20:59:41 [<ffffffffa0234955>] ?
start_transaction+0x135/0x5c0 [btrfs]
2015-07-31 20:59:41 [<ffffffff8109a3cd>] ? ttwu_do_wakeup+0x1d/0xd0
2015-07-31 20:59:41 [<ffffffffa021f754>]
__btrfs_run_delayed_refs+0xdf4/0x11b0 [btrfs]
2015-07-31 20:59:41 [<ffffffff810a8874>] ? enqueue_entity+0x384/0x990
2015-07-31 20:59:41 [<ffffffffa0215db6>]
__btrfs_inc_extent_ref.isra.74+0xa6/0x270 [btrfs]
2015-07-31 20:59:41 [<ffffffffa020945a>] ?
btrfs_alloc_path+0x1a/0x20 [btrfs]
2015-07-31 20:59:41 [<ffffffff81187fb2>] ? kmem_cache_alloc+0x122/0x130
2015-07-31 20:59:41 Call Trace:
2015-07-31 20:59:41 ffffea003bf76800 00000000000024cd
ffff880d8232da98 ffff88105347d800
2015-07-31 20:59:41 0000000000000001 ffffffff81187fb2
ffff880f7b6c7b18 ffffffffa020945a
2015-07-31 20:59:40 0000000000000000 0000000000000005
0000000000000001 0000000000000000Stack:
2015-07-31 20:59:40 CR2: 00000000006e5dc8 CR3: 0000000001a14000 CR4:
00000000001407e0
2015-07-31 20:59:40 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2015-07-31 20:59:40 FS: 0000000000000000(0000)
GS:ffff88107fc80000(0000) knlGS:0000000000000000
2015-07-31 20:59:40 R13: 0000000000000000 R14: 0000000000000000 R15:
ffff880f5d51af30
2015-07-31 20:59:40 R10: 0000000000000000 R11: 0000000000000002 R12:
ffff8810539ce000
2015-07-31 20:59:40 RBP: ffff880f7b6c7b38 R08: 0000000000004000 R09:
ffff880f7b6c7998
2015-07-31 20:59:40 RDX: 0000000000002000 RSI: 0000000000000001 RDI:
0000000000000000
2015-07-31 20:59:40 RAX: 0000000000000000 RBX: 0000000000000001 RCX:
0000000000000001
2015-07-31 20:59:40 RSP: 0018:ffff880f7b6c7ab8 EFLAGS: 00010293
2015-07-31 20:59:40 RIP: 0010:[<ffffffffa02152ee>]
[<ffffffffa02152ee>] insert_inline_extent_backref+0xde/0xe0 [btrfs]
2015-07-31 20:59:40 task: ffff88104ebf1d30 ti: ffff880f7b6c4000
task.ti: ffff880f7b6c4000
2015-07-31 20:59:39 Workqueue: btrfs-extent-refs
btrfs_extent_refs_helper [btrfs]
2015-07-31 20:59:39 Hardware name: Supermicro X10DRH/X10DRH-IT, BIOS
1.0c 02/18/2015
2015-07-31 20:59:39 CPU: 12 PID: 9212 Comm: kworker/u66:6 Tainted: G
W O 4.2-rc3-ph #1
2015-07-31 20:59:39 Modules linked in: dm_mod netconsole ipt_REJECT
nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables
cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative
bonding ext2 coretemp usbhid loop ehci_pci ehci_hcd sb_edac usbcore
i2c_i801 ipmi_si edac_core i2c_core usb_common shpchp ipmi_msghandler
button btrfs lzo_compress raid0 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq raid1 md_mod sg ixgbe(O)
i40e(O) sd_mod vxlan ip6_udp_tunnel udp_tunnel ahci ptp aacraid libahci
pps_core
2015-07-31 20:59:39 invalid opcode: 0000 [#1] SMP
2015-07-31 20:59:39 kernel BUG at fs/btrfs/extent-tree.c:1833!
2015-07-31 20:59:39 ------------[ cut here ]------------
Stefan
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