On 2014-09-03 19:42 (Wed), Tomasz Chmielewski wrote:
Got the following with 3.17-rc3 and running balance (had to power
cycle after that):
I'm seeing similar BUG with 3.17-rc4:
[ 1049.755843] BTRFS info (device sdb5): found 35715 extents
[ 1050.257075] BTRFS info (device sdb5): relocating block group
7091332251648 flags 20
[ 2087.976104] BTRFS info (device sdb5): found 40911 extents
[ 2091.357102] BTRFS info (device sdb5): relocating block group
7006506647552 flags 20
[ 2518.793237] INFO: task btrfs-balance:5688 blocked for more than 120
seconds.
[ 2518.793263] Not tainted 3.17.0-rc4 #1
[ 2518.793269] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 2518.793279] btrfs-balance D ffff88081fad15c0 0 5688 2
0x00000000
[ 2518.793291] ffff8807dceebac8 0000000000000046 ffff8807dceeb9c8
ffff8807f0f83020
[ 2518.793303] 00000000000115c0 0000000000004000 ffff8807f4153020
ffff8807f0f83020
[ 2518.793315] ffff8807dceeba08 ffffffff8105639d 0000000000000000
ffff8807f3cd8050
[ 2518.793404] Call Trace:
[ 2518.793452] [<ffffffff8105639d>] ? wake_up_process+0x31/0x35
[ 2518.793500] [<ffffffff81049baf>] ? wake_up_worker+0x1f/0x21
[ 2518.793547] [<ffffffff81049df6>] ? insert_work+0x87/0x94
[ 2518.793605] [<ffffffffa031724b>] ? free_block_list+0x1f/0x34 [btrfs]
[ 2518.793655] [<ffffffff813ad75e>] ? wait_for_common+0x118/0x13e
[ 2518.793703] [<ffffffff813acf2e>] schedule+0x65/0x67
[ 2518.793755] [<ffffffffa02d934d>]
wait_current_trans.isra.32+0x94/0xe2 [btrfs]
[ 2518.793843] [<ffffffff81063cdc>] ? add_wait_queue+0x44/0x44
[ 2518.793895] [<ffffffffa02da82f>] start_transaction+0x427/0x472
[btrfs]
[ 2518.793948] [<ffffffffa02dab02>] btrfs_start_transaction+0x16/0x18
[btrfs]
[ 2518.794002] [<ffffffffa031b51a>] relocate_block_group+0x8a/0x4de
[btrfs]
[ 2518.794055] [<ffffffffa031bac6>]
btrfs_relocate_block_group+0x158/0x278 [btrfs]
[ 2518.794148] [<ffffffffa02f86f0>]
btrfs_relocate_chunk.isra.62+0x58/0x5f7 [btrfs]
[ 2518.794241] [<ffffffffa03078d7>] ?
btrfs_set_lock_blocking_rw+0x68/0x95 [btrfs]
[ 2518.794332] [<ffffffffa02b8b04>] ? btrfs_set_path_blocking+0x23/0x54
[btrfs]
[ 2518.794383] [<ffffffffa02bd517>] ? btrfs_search_slot+0x7bc/0x816
[btrfs]
[ 2518.794437] [<ffffffffa02f4bd5>] ? free_extent_buffer+0x6f/0x7c
[btrfs]
[ 2518.794490] [<ffffffffa02fb5cd>] btrfs_balance+0xa7b/0xc80 [btrfs]
[ 2518.794538] [<ffffffff813a9125>] ? printk+0x48/0x4a
[ 2518.794589] [<ffffffffa02fb829>] balance_kthread+0x57/0x7c [btrfs]
[ 2518.794641] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 2518.794692] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 2518.794741] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 2518.794787] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2518.794836] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 2518.794883] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2518.794935] INFO: task kworker/u16:21:8725 blocked for more than 120
seconds.
[ 2518.794983] Not tainted 3.17.0-rc4 #1
[ 2518.795028] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 2518.795116] kworker/u16:21 D ffff88081fbd15c0 0 8725 2
0x00000000
[ 2518.795170] Workqueue: events_unbound
btrfs_async_reclaim_metadata_space [btrfs]
[ 2518.795258] ffff8805bf363b48 0000000000000046 ffff8805bf363a88
ffff8807f3244830
[ 2518.795347] 00000000000115c0 0000000000004000 ffff8807f4171810
ffff8807f3244830
[ 2518.795436] ffff8805bf363a88 ffffffff81053484 0000000000200000
ffff88081fa915c0
[ 2518.795525] Call Trace:
[ 2518.795568] [<ffffffff81053484>] ? resched_curr+0x47/0x57
[ 2518.795615] [<ffffffff81053aed>] ? check_preempt_curr+0x3e/0x6d
[ 2518.795663] [<ffffffff8105634c>] ? try_to_wake_up+0x240/0x251
[ 2518.795710] [<ffffffff8105639d>] ? wake_up_process+0x31/0x35
[ 2518.795758] [<ffffffff813acf2e>] schedule+0x65/0x67
[ 2518.795804] [<ffffffff813af01c>] schedule_timeout+0x26/0x198
[ 2518.795851] [<ffffffff8104a0df>] ? __queue_work+0x1d2/0x204
[ 2518.795899] [<ffffffff813ad753>] wait_for_common+0x10d/0x13e
[ 2518.795946] [<ffffffff8105635d>] ? try_to_wake_up+0x251/0x251
[ 2518.795993] [<ffffffff813ad79c>] wait_for_completion+0x18/0x1a
[ 2518.796042] [<ffffffff8111d8aa>] writeback_inodes_sb_nr+0x87/0x8e
[ 2518.796093] [<ffffffffa02d0101>] ? btrfs_del_csums+0x1b6/0x2ca
[btrfs]
[ 2518.796145] [<ffffffffa02c63c9>] flush_space+0x1af/0x407 [btrfs]
[ 2518.796196] [<ffffffffa02c5e56>] ? btrfs_get_alloc_profile+0x2b/0x2d
[btrfs]
[ 2518.796248] [<ffffffffa02c618d>] ? can_overcommit+0x4f/0xdc [btrfs]
[ 2518.796299] [<ffffffffa02c6a71>]
btrfs_async_reclaim_metadata_space+0x10c/0x157 [btrfs]
[ 2518.796388] [<ffffffff8104aadb>] process_one_work+0x188/0x2ab
[ 2518.796435] [<ffffffff8104ae89>] worker_thread+0x261/0x35e
[ 2518.796482] [<ffffffff8104ac28>] ? process_scheduled_works+0x2a/0x2a
[ 2518.796530] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 2518.796577] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2518.796625] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 2518.796672] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2638.722499] INFO: task kworker/u16:21:8725 blocked for more than 120
seconds.
[ 2638.722568] Not tainted 3.17.0-rc4 #1
[ 2638.722625] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 2638.722737] kworker/u16:21 D ffff88081fbd15c0 0 8725 2
0x00000000
[ 2638.722821] Workqueue: events_unbound
btrfs_async_reclaim_metadata_space [btrfs]
[ 2638.722935] ffff8805bf363b48 0000000000000046 ffff8805bf363a88
ffff8807f3244830
[ 2638.723050] 00000000000115c0 0000000000004000 ffff8807f4171810
ffff8807f3244830
[ 2638.723165] ffff8805bf363a88 ffffffff81053484 0000000000200000
ffff88081fa915c0
[ 2638.723279] Call Trace:
[ 2638.723339] [<ffffffff81053484>] ? resched_curr+0x47/0x57
[ 2638.723401] [<ffffffff81053aed>] ? check_preempt_curr+0x3e/0x6d
[ 2638.723465] [<ffffffff8105634c>] ? try_to_wake_up+0x240/0x251
[ 2638.723526] [<ffffffff8105639d>] ? wake_up_process+0x31/0x35
[ 2638.723590] [<ffffffff813acf2e>] schedule+0x65/0x67
[ 2638.723650] [<ffffffff813af01c>] schedule_timeout+0x26/0x198
[ 2638.723713] [<ffffffff8104a0df>] ? __queue_work+0x1d2/0x204
[ 2638.723775] [<ffffffff813ad753>] wait_for_common+0x10d/0x13e
[ 2638.723837] [<ffffffff8105635d>] ? try_to_wake_up+0x251/0x251
[ 2638.723900] [<ffffffff813ad79c>] wait_for_completion+0x18/0x1a
[ 2638.723963] [<ffffffff8111d8aa>] writeback_inodes_sb_nr+0x87/0x8e
[ 2638.724037] [<ffffffffa02d0101>] ? btrfs_del_csums+0x1b6/0x2ca
[btrfs]
[ 2638.724109] [<ffffffffa02c63c9>] flush_space+0x1af/0x407 [btrfs]
[ 2638.724180] [<ffffffffa02c5e56>] ? btrfs_get_alloc_profile+0x2b/0x2d
[btrfs]
[ 2638.724252] [<ffffffffa02c618d>] ? can_overcommit+0x4f/0xdc [btrfs]
[ 2638.724322] [<ffffffffa02c6a71>]
btrfs_async_reclaim_metadata_space+0x10c/0x157 [btrfs]
[ 2638.724436] [<ffffffff8104aadb>] process_one_work+0x188/0x2ab
[ 2638.724498] [<ffffffff8104ae89>] worker_thread+0x261/0x35e
[ 2638.724559] [<ffffffff8104ac28>] ? process_scheduled_works+0x2a/0x2a
[ 2638.724622] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 2638.724683] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2638.724747] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 2638.724808] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2758.651776] INFO: task kworker/u16:21:8725 blocked for more than 120
seconds.
[ 2758.651842] Not tainted 3.17.0-rc4 #1
[ 2758.651899] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 2758.652008] kworker/u16:21 D ffff88081fbd15c0 0 8725 2
0x00000000
[ 2758.652091] Workqueue: events_unbound
btrfs_async_reclaim_metadata_space [btrfs]
[ 2758.652201] ffff8805bf363b48 0000000000000046 ffff8805bf363a88
ffff8807f3244830
[ 2758.652313] 00000000000115c0 0000000000004000 ffff8807f4171810
ffff8807f3244830
[ 2758.652425] ffff8805bf363a88 ffffffff81053484 0000000000200000
ffff88081fa915c0
[ 2758.652537] Call Trace:
[ 2758.652595] [<ffffffff81053484>] ? resched_curr+0x47/0x57
[ 2758.652656] [<ffffffff81053aed>] ? check_preempt_curr+0x3e/0x6d
[ 2758.652717] [<ffffffff8105634c>] ? try_to_wake_up+0x240/0x251
[ 2758.652779] [<ffffffff8105639d>] ? wake_up_process+0x31/0x35
[ 2758.652841] [<ffffffff813acf2e>] schedule+0x65/0x67
[ 2758.652900] [<ffffffff813af01c>] schedule_timeout+0x26/0x198
[ 2758.652962] [<ffffffff8104a0df>] ? __queue_work+0x1d2/0x204
[ 2758.653023] [<ffffffff813ad753>] wait_for_common+0x10d/0x13e
[ 2758.653084] [<ffffffff8105635d>] ? try_to_wake_up+0x251/0x251
[ 2758.653145] [<ffffffff813ad79c>] wait_for_completion+0x18/0x1a
[ 2758.653206] [<ffffffff8111d8aa>] writeback_inodes_sb_nr+0x87/0x8e
[ 2758.653278] [<ffffffffa02d0101>] ? btrfs_del_csums+0x1b6/0x2ca
[btrfs]
[ 2758.653347] [<ffffffffa02c63c9>] flush_space+0x1af/0x407 [btrfs]
[ 2758.653416] [<ffffffffa02c5e56>] ? btrfs_get_alloc_profile+0x2b/0x2d
[btrfs]
[ 2758.653486] [<ffffffffa02c618d>] ? can_overcommit+0x4f/0xdc [btrfs]
[ 2758.653554] [<ffffffffa02c6a71>]
btrfs_async_reclaim_metadata_space+0x10c/0x157 [btrfs]
[ 2758.653665] [<ffffffff8104aadb>] process_one_work+0x188/0x2ab
[ 2758.653726] [<ffffffff8104ae89>] worker_thread+0x261/0x35e
[ 2758.653786] [<ffffffff8104ac28>] ? process_scheduled_works+0x2a/0x2a
[ 2758.653848] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 2758.653907] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2758.653969] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 2758.654029] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2878.581047] INFO: task kworker/u16:21:8725 blocked for more than 120
seconds.
[ 2878.581117] Not tainted 3.17.0-rc4 #1
[ 2878.581174] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 2878.581287] kworker/u16:21 D ffff88081fbd15c0 0 8725 2
0x00000000
[ 2878.581371] Workqueue: events_unbound
btrfs_async_reclaim_metadata_space [btrfs]
[ 2878.582875] ffff8805bf363b48 0000000000000046 ffff8805bf363a88
ffff8807f3244830
[ 2878.582990] 00000000000115c0 0000000000004000 ffff8807f4171810
ffff8807f3244830
[ 2878.583105] ffff8805bf363a88 ffffffff81053484 0000000000200000
ffff88081fa915c0
[ 2878.583220] Call Trace:
[ 2878.583280] [<ffffffff81053484>] ? resched_curr+0x47/0x57
[ 2878.583342] [<ffffffff81053aed>] ? check_preempt_curr+0x3e/0x6d
[ 2878.583404] [<ffffffff8105634c>] ? try_to_wake_up+0x240/0x251
[ 2878.583467] [<ffffffff8105639d>] ? wake_up_process+0x31/0x35
[ 2878.583531] [<ffffffff813acf2e>] schedule+0x65/0x67
[ 2878.583591] [<ffffffff813af01c>] schedule_timeout+0x26/0x198
[ 2878.583655] [<ffffffff8104a0df>] ? __queue_work+0x1d2/0x204
[ 2878.583717] [<ffffffff813ad753>] wait_for_common+0x10d/0x13e
[ 2878.583780] [<ffffffff8105635d>] ? try_to_wake_up+0x251/0x251
[ 2878.583842] [<ffffffff813ad79c>] wait_for_completion+0x18/0x1a
[ 2878.583905] [<ffffffff8111d8aa>] writeback_inodes_sb_nr+0x87/0x8e
[ 2878.583980] [<ffffffffa02d0101>] ? btrfs_del_csums+0x1b6/0x2ca
[btrfs]
[ 2878.584052] [<ffffffffa02c63c9>] flush_space+0x1af/0x407 [btrfs]
[ 2878.584123] [<ffffffffa02c5e56>] ? btrfs_get_alloc_profile+0x2b/0x2d
[btrfs]
[ 2878.584195] [<ffffffffa02c618d>] ? can_overcommit+0x4f/0xdc [btrfs]
[ 2878.584266] [<ffffffffa02c6a71>]
btrfs_async_reclaim_metadata_space+0x10c/0x157 [btrfs]
[ 2878.584380] [<ffffffff8104aadb>] process_one_work+0x188/0x2ab
[ 2878.584442] [<ffffffff8104ae89>] worker_thread+0x261/0x35e
[ 2878.584503] [<ffffffff8104ac28>] ? process_scheduled_works+0x2a/0x2a
[ 2878.584566] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 2878.584627] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 2878.584691] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 2878.584752] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 3384.754985] ------------[ cut here ]------------
[ 3384.755050] WARNING: CPU: 2 PID: 5688 at fs/btrfs/extent-tree.c:876
btrfs_lookup_extent_info+0x377/0x3eb [btrfs]()
[ 3384.755145] Modules linked in: ipt_MASQUERADE iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
ip_tables x_tables cpufreq_ondemand cpufreq_conservative
cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq
zlib_deflate coretemp hwmon loop i2c_i801 i2ccore pcspkr battery
tpm_infineon tpm_tis tpm parport_pc parport video ehci_pci ehci_hcd
lpc_ich mfd_core acpi_cpufreq button ext4 crc16 jbd2 mbcache raid1 sg
sd_mod ahci libahci libata scsi_mod r8169 mii
[ 3384.755547] CPU: 2 PID: 5688 Comm: btrfs-balance Not tainted
3.17.0-rc4 #1
[ 3384.755597] Hardware name: System manufacturer System Product
Name/P8H77-M PRO, BIOS 1101 02/04/2013
[ 3384.755691] 0000000000000009 ffff8807dceeb8d8 ffffffff813ab3a2
0000000000000000
[ 3384.755785] 0000000000000000 ffff8807dceeb918 ffffffff81039b41
ffffffff00000024
[ 3384.755895] ffffffffa02c5560 ffff8801b195bc60 0000000000000000
0000000000000000
[ 3384.755990] Call Trace:
[ 3384.756040] [<ffffffff813ab3a2>] dump_stack+0x46/0x58
[ 3384.756090] [<ffffffff81039b41>] warn_slowpath_common+0x77/0x91
[ 3384.756148] [<ffffffffa02c5560>] ?
btrfs_lookup_extent_info+0x377/0x3eb [btrfs]
[ 3384.756240] [<ffffffff81039b70>] warn_slowpath_null+0x15/0x17
[ 3384.756295] [<ffffffffa02c5560>]
btrfs_lookup_extent_info+0x377/0x3eb [btrfs]
[ 3384.756393] [<ffffffffa02c5c8f>] walk_down_proc+0xc5/0x22b [btrfs]
[ 3384.756452] [<ffffffffa02d8d20>] ?
join_transaction.isra.30+0x24/0x309 [btrfs]
[ 3384.756545] [<ffffffffa02c7e92>] walk_down_tree+0x45/0xd5 [btrfs]
[ 3384.756597] [<ffffffffa02ca89a>] btrfs_drop_snapshot+0x2f5/0x68f
[btrfs]
[ 3384.756653] [<ffffffffa031b19d>] merge_reloc_roots+0x139/0x23f
[btrfs]
[ 3384.756707] [<ffffffffa031b8f6>] relocate_block_group+0x466/0x4de
[btrfs]
[ 3384.756760] [<ffffffffa031bac6>]
btrfs_relocate_block_group+0x158/0x278 [btrfs]
[ 3384.756854] [<ffffffffa02f86f0>]
btrfs_relocate_chunk.isra.62+0x58/0x5f7 [btrfs]
[ 3384.756947] [<ffffffffa03078d7>] ?
btrfs_set_lock_blocking_rw+0x68/0x95 [btrfs]
[ 3384.757038] [<ffffffffa02b8b04>] ? btrfs_set_path_blocking+0x23/0x54
[btrfs]
[ 3384.757089] [<ffffffffa02bd517>] ? btrfs_search_slot+0x7bc/0x816
[btrfs]
[ 3384.757143] [<ffffffffa02f4bd5>] ? free_extent_buffer+0x6f/0x7c
[btrfs]
[ 3384.757197] [<ffffffffa02fb5cd>] btrfs_balance+0xa7b/0xc80 [btrfs]
[ 3384.757246] [<ffffffff813a9125>] ? printk+0x48/0x4a
[ 3384.757297] [<ffffffffa02fb829>] balance_kthread+0x57/0x7c [btrfs]
[ 3384.757349] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 3384.757401] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 3384.757450] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 3384.757496] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 3384.757545] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 3384.757592] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 3384.757640] ---[ end trace 4f32f915eb18c087 ]---
[ 3384.757691] ------------[ cut here ]------------
[ 3384.757736] kernel BUG at fs/btrfs/extent-tree.c:7727!
[ 3384.757782] invalid opcode: 0000 [#1] SMP
[ 3384.757827] Modules linked in: ipt_MASQUERADE iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
ip_tables x_tables cpufreq_ondemand cpufreq_conservative
cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq
zlib_deflate coretemp hwmon loop i2c_i801 i2ccore pcspkr battery
tpm_infineon tpm_tis tpm parport_pc parport video ehci_pci ehci_hcd
lpc_ich mfd_core acpi_cpufreq button ext4 crc16 jbd2 mbcache raid1 sg
sd_mod ahci libahci libata scsi_mod r8169 mii
[ 3384.758182] CPU: 2 PID: 5688 Comm: btrfs-balance Tainted: G W
3.17.0-rc4 #1
[ 3384.758270] Hardware name: System manufacturer System Product
Name/P8H77-M PRO, BIOS 1101 02/04/2013
[ 3384.758360] task: ffff8807f0f83020 ti: ffff8807dcee8000 task.ti:
ffff8807dcee8000
[ 3384.758448] RIP: 0010:[<ffffffffa02c5ca6>] [<ffffffffa02c5ca6>]
walk_down_proc+0xdc/0x22b [btrfs]
[ 3384.758542] RSP: 0018:ffff8807dceeb9e8 EFLAGS: 00010246
[ 3384.758588] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000984a1c
[ 3384.758636] RDX: 0000000000984a1b RSI: ffff88081fa99650 RDI:
0000000000019650
[ 3384.758684] RBP: ffff8807dceeba38 R08: ffffea0006c656c0 R09:
0000000000000000
[ 3384.758733] R10: ffffffffa02b8c38 R11: 0000000000000000 R12:
ffff8801b195bbd0
[ 3384.758781] R13: ffff88010d092d80 R14: ffff880102ba33a8 R15:
0000000000000002
[ 3384.758830] FS: 0000000000000000(0000) GS:ffff88081fa80000(0000)
knlGS:0000000000000000
[ 3384.758918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3384.758965] CR2: 00007f980e95d000 CR3: 0000000001611000 CR4:
00000000001407e0
[ 3384.759013] Stack:
[ 3384.759054] ffff88010d092dd0 ffffffffa02d8d20 ffff880102516d20
ffff8807449a9000
[ 3384.759143] 0000000000000000 ffff8801b195bbd0 0000000000000002
ffff880102516d20
[ 3384.759232] ffff8807449a9000 ffff88010d092d80 ffff8807dceeba98
ffffffffa02c7e92
[ 3384.759321] Call Trace:
[ 3384.759369] [<ffffffffa02d8d20>] ?
join_transaction.isra.30+0x24/0x309 [btrfs]
[ 3384.759461] [<ffffffffa02c7e92>] walk_down_tree+0x45/0xd5 [btrfs]
[ 3384.759513] [<ffffffffa02ca89a>] btrfs_drop_snapshot+0x2f5/0x68f
[btrfs]
[ 3384.759567] [<ffffffffa031b19d>] merge_reloc_roots+0x139/0x23f
[btrfs]
[ 3384.759620] [<ffffffffa031b8f6>] relocate_block_group+0x466/0x4de
[btrfs]
[ 3384.759673] [<ffffffffa031bac6>]
btrfs_relocate_block_group+0x158/0x278 [btrfs]
[ 3384.759766] [<ffffffffa02f86f0>]
btrfs_relocate_chunk.isra.62+0x58/0x5f7 [btrfs]
[ 3384.759859] [<ffffffffa03078d7>] ?
btrfs_set_lock_blocking_rw+0x68/0x95 [btrfs]
[ 3384.759950] [<ffffffffa02b8b04>] ? btrfs_set_path_blocking+0x23/0x54
[btrfs]
[ 3384.760001] [<ffffffffa02bd517>] ? btrfs_search_slot+0x7bc/0x816
[btrfs]
[ 3384.760055] [<ffffffffa02f4bd5>] ? free_extent_buffer+0x6f/0x7c
[btrfs]
[ 3384.760108] [<ffffffffa02fb5cd>] btrfs_balance+0xa7b/0xc80 [btrfs]
[ 3384.760156] [<ffffffff813a9125>] ? printk+0x48/0x4a
[ 3384.760207] [<ffffffffa02fb829>] balance_kthread+0x57/0x7c [btrfs]
[ 3384.760259] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 3384.760310] [<ffffffffa02fb7d2>] ? btrfs_balance+0xc80/0xc80 [btrfs]
[ 3384.760359] [<ffffffff8104e993>] kthread+0xcd/0xd5
[ 3384.760405] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 3384.760453] [<ffffffff813affec>] ret_from_fork+0x7c/0xb0
[ 3384.760500] [<ffffffff8104e8c6>] ?
kthread_freezable_should_stop+0x43/0x43
[ 3384.760548] Code: b8 01 00 00 00 4c 89 f9 48 89 04 24 49 8b 16 e8 5a
f5 ff ff 83 f8 f4 75 02 0f 0b 85 c0 0f 85 48 01 00 00 4b 83 7c fd 00 00
75 02 <0f> 0b 41 83 bd 94 00 00 00 01 48 63 c3 75 2d 49 83 7c c5 00 01
[ 3384.760721] RIP [<ffffffffa02c5ca6>] walk_down_proc+0xdc/0x22b
[btrfs]
[ 3384.760773] RSP <ffff8807dceeb9e8>
[ 3384.761080] ---[ end trace 4f32f915eb18c088 ]---
--
Tomasz Chmielewski
http://www.sslrack.com
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