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List:       linux-btrfs
Subject:    Re: CPU: 6 PID: 13386 at fs/btrfs/ctree.h:1593 btrfs_update_device.cold+0x10/0x1b [btrfs]
From:       Qu Wenruo <quwenruo.btrfs () gmx ! com>
Date:       2019-11-02 3:38:16
Message-ID: d24256c7-4398-7627-4352-1878af1467e9 () gmx ! com
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On 2019/11/2 上午9:13, Tomasz Chmielewski wrote:
> I'm getting these recently from time to time (first noticed in 5.3.x,
> but maybe they were showing up before and I didn't notice).
> 
> Everything seems to work fine so far. Anything to worry about?

This is a warning about unaligned device size.

You can either fix it by reducing the device size by 4K for each device,
or use btrfs rescue fix-dev-size unmounted to repair.

Thanks,
Qu
> 
> # btrfs fi usage /home
> Overall:
>        Device size:                                     7.19TiB
>        Device allocated:                           1.19TiB
>        Device unallocated:                       6.00TiB
>        Device missing:                                   0.00B
>        Used:                                                   1.17TiB
>        Free (estimated):                           3.00TiB           (min: 3.00TiB)
>        Data ratio:                                             2.00
>        Metadata ratio:                                     2.00
>        Global reserve:                           512.00MiB           (used: 0.00B)
> 
> Data,RAID1: Size:537.00GiB, Used:536.08GiB
>      /dev/sda4         537.00GiB
>      /dev/sdb4         537.00GiB
> 
> Metadata,RAID1: Size:72.00GiB, Used:61.47GiB
>      /dev/sda4           72.00GiB
>      /dev/sdb4           72.00GiB
> 
> System,RAID1: Size:32.00MiB, Used:112.00KiB
>      /dev/sda4           32.00MiB
>      /dev/sdb4           32.00MiB
> 
> Unallocated:
>      /dev/sda4             3.00TiB
>      /dev/sdb4             3.00TiB
> 
> 
> # btrfs fi df /home
> Data, RAID1: total=537.00GiB, used=536.08GiB
> System, RAID1: total=32.00MiB, used=112.00KiB
> Metadata, RAID1: total=72.00GiB, used=61.47GiB
> GlobalReserve, single: total=512.00MiB, used=0.00B
> 
> 
> # btrfs fi show /home
> Label: 'btrfs'   uuid: c94ea4a9-6d10-4e78-9b4a-ffe664386af2
>                Total devices 2 FS bytes used 597.56GiB
>                devid       2 size 3.59TiB used 609.03GiB path /dev/sda4
>                devid       3 size 3.59TiB used 609.03GiB path /dev/sdb4
> 
> 
> [20419.701419] ------------[ cut here ]------------
> [20419.701546] WARNING: CPU: 3 PID: 9489 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [20419.701548] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [20419.701602] CPU: 3 PID: 9489 Comm: storagenode Not tainted
> 5.3.8-050308-generic #201910290940
> [20419.701605] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [20419.701672] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [20419.701676] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [20419.701679] RSP: 0018:ffffa89400903a60 EFLAGS: 00010246
> [20419.701683] RAX: 0000000000000024 RBX: ffff90bd80633800 RCX:
> 0000000000000000
> [20419.701685] RDX: 0000000000000000 RSI: ffff90bd8e2d7448 RDI:
> ffff90bd8e2d7448
> [20419.701687] RBP: ffffa89400903ab0 R08: ffff90bd8e2d7448 R09:
> 0000000000000004
> [20419.701688] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bce73397e0
> [20419.701690] R13: 0000000000000000 R14: 0000000000003f3c R15:
> ffff90bcd7a995a8
> [20419.701694] FS:   00007fd22268df20(0000) GS:ffff90bd8e2c0000(0000)
> knlGS:0000000000000000
> [20419.701696] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [20419.701698] CR2: 00007fd2229f1010 CR3: 0000000767104004 CR4:
> 00000000003606e0
> [20419.701700] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [20419.701702] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [20419.701704] Call Trace:
> [20419.701770]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [20419.701807]   ? btrfs_insert_item+0x7f/0xf0 [btrfs]
> [20419.701846]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [20419.701893]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [20419.701936]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [20419.701995]   btrfs_alloc_data_chunk_ondemand+0xe9/0x350 [btrfs]
> [20419.702052]   btrfs_check_data_free_space+0x59/0xb0 [btrfs]
> [20419.702099]   btrfs_buffered_write.isra.0+0x1b2/0x770 [btrfs]
> [20419.702108]   ? inet6_recvmsg+0x5e/0xf0
> [20419.702154]   btrfs_file_write_iter+0x3f3/0x5a0 [btrfs]
> [20419.702162]   new_sync_write+0x125/0x1c0
> [20419.702168]   __vfs_write+0x29/0x40
> [20419.702173]   vfs_write+0xb9/0x1a0
> [20419.702178]   ksys_write+0x67/0xe0
> [20419.702183]   __x64_sys_write+0x1a/0x20
> [20419.702190]   do_syscall_64+0x5a/0x130
> [20419.702196]   entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [20419.702200] RIP: 0033:0x47f050
> [20419.702204] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2
> 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f
> 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
> [20419.702206] RSP: 002b:000000c00054f260 EFLAGS: 00000202 ORIG_RAX:
> 0000000000000001
> [20419.702210] RAX: ffffffffffffffda RBX: 000000c000044500 RCX:
> 000000000047f050
> [20419.702212] RDX: 0000000000040000 RSI: 000000c0006f0000 RDI:
> 0000000000000026
> [20419.702214] RBP: 000000c00054f2b0 R08: 0000000000000000 R09:
> 0000000000000000
> [20419.702216] R10: 0000000000000000 R11: 0000000000000202 R12:
> ffea2367ffa35605
> [20419.702218] R13: 0000000000000006 R14: 000000001a4c0b00 R15:
> ffffffffe743d8bf
> [20419.702222] ---[ end trace 77f3c728fd91fa16 ]---
> [20419.702282] ------------[ cut here ]------------
> [20419.702382] WARNING: CPU: 3 PID: 9489 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [20419.702383] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [20419.702429] CPU: 3 PID: 9489 Comm: storagenode Tainted: G               W      
>          5.3.8-050308-generic #201910290940
> [20419.702431] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [20419.702492] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [20419.702497] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [20419.702499] RSP: 0018:ffffa89400903a60 EFLAGS: 00010246
> [20419.702502] RAX: 0000000000000024 RBX: ffff90bd80636000 RCX:
> 0000000000000006
> [20419.702503] RDX: 0000000000000000 RSI: 0000000000000086 RDI:
> ffff90bd8e2d7440
> [20419.702505] RBP: ffffa89400903ab0 R08: 0000000000000357 R09:
> 0000000000000004
> [20419.702507] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bce73397e0
> [20419.702509] R13: 0000000000000000 R14: 0000000000003f9e R15:
> ffff90bcd7a995a8
> [20419.702512] FS:   00007fd22268df20(0000) GS:ffff90bd8e2c0000(0000)
> knlGS:0000000000000000
> [20419.702514] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [20419.702516] CR2: 00007fd2229f1010 CR3: 0000000767104004 CR4:
> 00000000003606e0
> [20419.702519] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [20419.702521] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [20419.702522] Call Trace:
> [20419.702582]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [20419.702623]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [20419.702667]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [20419.702708]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [20419.702765]   btrfs_alloc_data_chunk_ondemand+0xe9/0x350 [btrfs]
> [20419.702820]   btrfs_check_data_free_space+0x59/0xb0 [btrfs]
> [20419.702866]   btrfs_buffered_write.isra.0+0x1b2/0x770 [btrfs]
> [20419.702874]   ? inet6_recvmsg+0x5e/0xf0
> [20419.702920]   btrfs_file_write_iter+0x3f3/0x5a0 [btrfs]
> [20419.702927]   new_sync_write+0x125/0x1c0
> [20419.702932]   __vfs_write+0x29/0x40
> [20419.702937]   vfs_write+0xb9/0x1a0
> [20419.702942]   ksys_write+0x67/0xe0
> [20419.702947]   __x64_sys_write+0x1a/0x20
> [20419.702952]   do_syscall_64+0x5a/0x130
> [20419.702958]   entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [20419.702961] RIP: 0033:0x47f050
> [20419.702965] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2
> 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f
> 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
> [20419.702967] RSP: 002b:000000c00054f260 EFLAGS: 00000202 ORIG_RAX:
> 0000000000000001
> [20419.702970] RAX: ffffffffffffffda RBX: 000000c000044500 RCX:
> 000000000047f050
> [20419.702972] RDX: 0000000000040000 RSI: 000000c0006f0000 RDI:
> 0000000000000026
> [20419.702974] RBP: 000000c00054f2b0 R08: 0000000000000000 R09:
> 0000000000000000
> [20419.702976] R10: 0000000000000000 R11: 0000000000000202 R12:
> ffea2367ffa35605
> [20419.702978] R13: 0000000000000006 R14: 000000001a4c0b00 R15:
> ffffffffe743d8bf
> [20419.702982] ---[ end trace 77f3c728fd91fa17 ]---
> [32358.499676] ------------[ cut here ]------------
> [32358.499794] WARNING: CPU: 6 PID: 13386 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [32358.499796] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [32358.499851] CPU: 6 PID: 13386 Comm: kworker/u16:0 Tainted: G               W
>                5.3.8-050308-generic #201910290940
> [32358.499853] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [32358.499914] Workqueue: btrfs-delalloc btrfs_delalloc_helper [btrfs]
> [32358.499981] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [32358.500002] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [32358.500004] RSP: 0018:ffffa89400e33940 EFLAGS: 00010246
> [32358.500007] RAX: 0000000000000024 RBX: ffff90bd80633800 RCX:
> 0000000000000000
> [32358.500009] RDX: 0000000000000000 RSI: ffff90bd8e397448 RDI:
> ffff90bd8e397448
> [32358.500011] RBP: ffffa89400e33990 R08: ffff90bd8e397448 R09:
> 0000000000000004
> [32358.500012] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bb94f828c0
> [32358.500014] R13: 0000000000000000 R14: 0000000000003f3c R15:
> ffff90bb53dbbad0
> [32358.500017] FS:   0000000000000000(0000) GS:ffff90bd8e380000(0000)
> knlGS:0000000000000000
> [32358.500019] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [32358.500020] CR2: 00007f3a0089eb02 CR3: 00000003b4e0a004 CR4:
> 00000000003606e0
> [32358.500022] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [32358.500024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [32358.500026] Call Trace:
> [32358.500080]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [32358.500111]   ? btrfs_insert_item+0x7f/0xf0 [btrfs]
> [32358.500160]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [32358.500218]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [32358.500258]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [32358.500299]   find_free_extent+0xb40/0xdf0 [btrfs]
> [32358.500307]   ? generic_make_request+0xcf/0x320
> [32358.500340]   btrfs_reserve_extent+0xe9/0x180 [btrfs]
> [32358.500376]   cow_file_range.isra.0+0x178/0x440 [btrfs]
> [32358.500412]   submit_compressed_extents+0x1a4/0x430 [btrfs]
> [32358.500445]   async_cow_submit+0x75/0x80 [btrfs]
> [32358.500491]   normal_work_helper+0x19e/0x2f0 [btrfs]
> [32358.500535]   btrfs_delalloc_helper+0x12/0x20 [btrfs]
> [32358.500541]   process_one_work+0x1db/0x380
> [32358.500544]   worker_thread+0x4d/0x400
> [32358.500550]   kthread+0x104/0x140
> [32358.500554]   ? process_one_work+0x380/0x380
> [32358.500558]   ? kthread_park+0x80/0x80
> [32358.500564]   ret_from_fork+0x35/0x40
> [32358.500569] ---[ end trace 77f3c728fd91fa18 ]---
> [32358.500618] ------------[ cut here ]------------
> [32358.500701] WARNING: CPU: 6 PID: 13386 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [32358.500702] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [32358.500743] CPU: 6 PID: 13386 Comm: kworker/u16:0 Tainted: G               W
>                5.3.8-050308-generic #201910290940
> [32358.500745] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [32358.500792] Workqueue: btrfs-delalloc btrfs_delalloc_helper [btrfs]
> [32358.500849] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [32358.500852] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [32358.500854] RSP: 0018:ffffa89400e33940 EFLAGS: 00010246
> [32358.500857] RAX: 0000000000000024 RBX: ffff90bd80636000 RCX:
> 0000000000000006
> [32358.500859] RDX: 0000000000000000 RSI: 0000000000000082 RDI:
> ffff90bd8e397440
> [32358.500860] RBP: ffffa89400e33990 R08: 00000000000003ab R09:
> 0000000000000004
> [32358.500862] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bb94f828c0
> [32358.500864] R13: 0000000000000000 R14: 0000000000003f9e R15:
> ffff90bb53dbbad0
> [32358.500866] FS:   0000000000000000(0000) GS:ffff90bd8e380000(0000)
> knlGS:0000000000000000
> [32358.500868] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [32358.500870] CR2: 00007f3a0089eb02 CR3: 00000003b4e0a004 CR4:
> 00000000003606e0
> [32358.500872] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [32358.500873] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [32358.500875] Call Trace:
> [32358.500922]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [32358.500955]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [32358.501009]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [32358.501046]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [32358.501079]   find_free_extent+0xb40/0xdf0 [btrfs]
> [32358.501084]   ? generic_make_request+0xcf/0x320
> [32358.501118]   btrfs_reserve_extent+0xe9/0x180 [btrfs]
> [32358.501159]   cow_file_range.isra.0+0x178/0x440 [btrfs]
> [32358.501199]   submit_compressed_extents+0x1a4/0x430 [btrfs]
> [32358.501238]   async_cow_submit+0x75/0x80 [btrfs]
> [32358.501286]   normal_work_helper+0x19e/0x2f0 [btrfs]
> [32358.501334]   btrfs_delalloc_helper+0x12/0x20 [btrfs]
> [32358.501338]   process_one_work+0x1db/0x380
> [32358.501342]   worker_thread+0x4d/0x400
> [32358.501348]   kthread+0x104/0x140
> [32358.501352]   ? process_one_work+0x380/0x380
> [32358.501357]   ? kthread_park+0x80/0x80
> [32358.501362]   ret_from_fork+0x35/0x40
> [32358.501366] ---[ end trace 77f3c728fd91fa19 ]---
> [49906.088064] ------------[ cut here ]------------
> [49906.088197] WARNING: CPU: 5 PID: 9511 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [49906.088199] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [49906.088254] CPU: 5 PID: 9511 Comm: storagenode Tainted: G               W      
>          5.3.8-050308-generic #201910290940
> [49906.088256] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [49906.088323] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [49906.088328] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [49906.088331] RSP: 0018:ffffa89401233a60 EFLAGS: 00010246
> [49906.088335] RAX: 0000000000000024 RBX: ffff90bd80633800 RCX:
> 0000000000000000
> [49906.088337] RDX: 0000000000000000 RSI: ffff90bd8e357448 RDI:
> ffff90bd8e357448
> [49906.088338] RBP: ffffa89401233ab0 R08: ffff90bd8e357448 R09:
> 0000000000000004
> [49906.088340] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bb5373a2a0
> [49906.088342] R13: 0000000000000000 R14: 0000000000003f3c R15:
> ffff90bb42780840
> [49906.088345] FS:   00007fd22258ff20(0000) GS:ffff90bd8e340000(0000)
> knlGS:0000000000000000
> [49906.088348] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [49906.088350] CR2: 00007f8cf3721180 CR3: 0000000767104001 CR4:
> 00000000003606e0
> [49906.088352] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [49906.088354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [49906.088356] Call Trace:
> [49906.088422]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [49906.088460]   ? btrfs_insert_item+0x7f/0xf0 [btrfs]
> [49906.088500]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [49906.088547]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [49906.088590]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [49906.088649]   btrfs_alloc_data_chunk_ondemand+0xe9/0x350 [btrfs]
> [49906.088706]   btrfs_check_data_free_space+0x59/0xb0 [btrfs]
> [49906.088754]   btrfs_buffered_write.isra.0+0x1b2/0x770 [btrfs]
> [49906.088763]   ? inet6_recvmsg+0x5e/0xf0
> [49906.088811]   btrfs_file_write_iter+0x3f3/0x5a0 [btrfs]
> [49906.088819]   new_sync_write+0x125/0x1c0
> [49906.088824]   __vfs_write+0x29/0x40
> [49906.088829]   vfs_write+0xb9/0x1a0
> [49906.088834]   ksys_write+0x67/0xe0
> [49906.088839]   __x64_sys_write+0x1a/0x20
> [49906.088846]   do_syscall_64+0x5a/0x130
> [49906.088852]   entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [49906.088855] RIP: 0033:0x47f050
> [49906.088860] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2
> 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f
> 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
> [49906.088862] RSP: 002b:000000c00034b260 EFLAGS: 00000202 ORIG_RAX:
> 0000000000000001
> [49906.088866] RAX: ffffffffffffffda RBX: 000000c000048f00 RCX:
> 000000000047f050
> [49906.088867] RDX: 0000000000040000 RSI: 000000c00077e000 RDI:
> 0000000000000026
> [49906.088869] RBP: 000000c00034b2b0 R08: 0000000000000000 R09:
> 0000000000000000
> [49906.088871] R10: 0000000000000000 R11: 0000000000000202 R12:
> ffffe7dcdd518784
> [49906.088873] R13: 0000000000000002 R14: 00000000078dfd25 R15:
> 00000000073b9ee2
> [49906.088878] ---[ end trace 77f3c728fd91fa1a ]---
> [49906.088930] ------------[ cut here ]------------
> [49906.089028] WARNING: CPU: 5 PID: 9511 at fs/btrfs/ctree.h:1593
> btrfs_update_device.cold+0x10/0x1b [btrfs]
> [49906.089029] Modules linked in: nf_conntrack_netlink xt_conntrack
> nfnetlink xfrm_user xfrm_algo xt_addrtype xt_nat ebtable_filter ebtables
> binfmt_misc veth ip6table_nat ip6table_filter ip6_tables xt_MASQUERADE
> xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_nat nf_conntrack
> nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter bpfilter
> bridge stp llc unix_diag intel_rapl_msr intel_rapl_common
> x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
> crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
> crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf serio_raw
> intel_pch_thermal mac_hid acpi_pad sch_fq_codel ip_tables x_tables
> autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov
> async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0
> multipath linear raid1 e1000e psmouse ahci libahci wmi video
> [49906.089075] CPU: 5 PID: 9511 Comm: storagenode Tainted: G               W      
>          5.3.8-050308-generic #201910290940
> [49906.089077] Hardware name: FUJITSU /D3401-H2, BIOS V5.0.0.12
> R1.18.0.SR.1 for D3401-H2x                             07/02/2018
> [49906.089139] RIP: 0010:btrfs_update_device.cold+0x10/0x1b [btrfs]
> [49906.089143] Code: 00 48 c7 c7 b8 06 30 c0 48 8b 50 70 48 8d 48 70 e8
> 0a 07 a2 ee e9 1d 76 f9 ff 48 c7 c7 f8 06 30 c0 48 89 4d b0 e8 f5 06 a2
> ee <0f> 0b 48 8b 4d b0 e9 2b 7b f9 ff 41 89 c6 e9 98 7e f9 ff 4c 89 ef
> [49906.089145] RSP: 0018:ffffa89401233a60 EFLAGS: 00010246
> [49906.089148] RAX: 0000000000000024 RBX: ffff90bd80636000 RCX:
> 0000000000000006
> [49906.089150] RDX: 0000000000000000 RSI: 0000000000000086 RDI:
> ffff90bd8e357440
> [49906.089152] RBP: ffffa89401233ab0 R08: 00000000000003ff R09:
> 0000000000000004
> [49906.089154] R10: 0000000000000000 R11: 0000000000000001 R12:
> ffff90bb5373a2a0
> [49906.089155] R13: 0000000000000000 R14: 0000000000003f9e R15:
> ffff90bb42780840
> [49906.089159] FS:   00007fd22258ff20(0000) GS:ffff90bd8e340000(0000)
> knlGS:0000000000000000
> [49906.089161] CS:   0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [49906.089163] CR2: 00007f8cf3721180 CR3: 0000000767104001 CR4:
> 00000000003606e0
> [49906.089165] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [49906.089167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [49906.089168] Call Trace:
> [49906.089227]   btrfs_finish_chunk_alloc+0x119/0x470 [btrfs]
> [49906.089268]   btrfs_create_pending_block_groups+0xeb/0x220 [btrfs]
> [49906.089312]   __btrfs_end_transaction+0x6a/0x1b0 [btrfs]
> [49906.089353]   btrfs_end_transaction+0x10/0x20 [btrfs]
> [49906.089409]   btrfs_alloc_data_chunk_ondemand+0xe9/0x350 [btrfs]
> [49906.089464]   btrfs_check_data_free_space+0x59/0xb0 [btrfs]
> [49906.089511]   btrfs_buffered_write.isra.0+0x1b2/0x770 [btrfs]
> [49906.089519]   ? inet6_recvmsg+0x5e/0xf0
> [49906.089565]   btrfs_file_write_iter+0x3f3/0x5a0 [btrfs]
> [49906.089571]   new_sync_write+0x125/0x1c0
> [49906.089577]   __vfs_write+0x29/0x40
> [49906.089581]   vfs_write+0xb9/0x1a0
> [49906.089586]   ksys_write+0x67/0xe0
> [49906.089592]   __x64_sys_write+0x1a/0x20
> [49906.089597]   do_syscall_64+0x5a/0x130
> [49906.089603]   entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [49906.089606] RIP: 0033:0x47f050
> [49906.089610] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2
> 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f
> 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
> [49906.089612] RSP: 002b:000000c00034b260 EFLAGS: 00000202 ORIG_RAX:
> 0000000000000001
> [49906.089615] RAX: ffffffffffffffda RBX: 000000c000048f00 RCX:
> 000000000047f050
> [49906.089617] RDX: 0000000000040000 RSI: 000000c00077e000 RDI:
> 0000000000000026
> [49906.089619] RBP: 000000c00034b2b0 R08: 0000000000000000 R09:
> 0000000000000000
> [49906.089621] R10: 0000000000000000 R11: 0000000000000202 R12:
> ffffe7dcdd518784
> [49906.089623] R13: 0000000000000002 R14: 00000000078dfd25 R15:
> 00000000073b9ee2
> [49906.089627] ---[ end trace 77f3c728fd91fa1b ]---
> 
> 
> Tomasz Chmielewski
> https://lxadm.com


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