Dear btrfs team,
I send a kernel crash report which I have observed recently during btrfs scrub.
It looks like scrub itself has completed without errors.
# btrfs scrub status /home
scrub status for 83a3cb60-3334-4d11-9fdf-70b8e8703167
scrub started at Mon Jan 1 06:52:01 2018 and finished after 00:30:47
total bytes scrubbed: 87.55GiB with 0 errors
# btrfs scrub status /var/log
scrub status for 5b45ac8e-fd8c-4759-854a-94e45069959d
scrub started at Mon Jan 1 06:52:01 2018 and finished after 00:15:45
total bytes scrubbed: 23.39GiB with 0 errors
Linux kernel v4.14.2-1
btrfs-progs v4.7.3-1
--
With best regards,
Dmitry
[Mon Jan 1 07:04:44 2018] ------------[ cut here ]------------
[Mon Jan 1 07:04:44 2018] WARNING: CPU: 0 PID: 13583 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:04:44 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:04:44 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:04:44 2018] CPU: 0 PID: 13583 Comm: btrfs Tainted: G W
4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:04:44 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:04:44 2018] task: eba6a000 task.stack: ca216000
[Mon Jan 1 07:04:44 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:04:44 2018] EFLAGS: 00210206 CPU: 0
[Mon Jan 1 07:04:44 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:04:44 2018] ESI: f69e2280 EDI: 00000000 EBP: ca217bd8 ESP:
ca217b98
[Mon Jan 1 07:04:44 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:04:44 2018] CR0: 80050033 CR2: b795da00 CR3: 1a2e2460 CR4:
000006f0
[Mon Jan 1 07:04:44 2018] Call Trace:
[Mon Jan 1 07:04:44 2018] btrfs_finish_chunk_alloc+0xf3/0x480 [btrfs]
[Mon Jan 1 07:04:44 2018] ? btrfs_free_path.part.26+0x1c/0x20 [btrfs]
[Mon Jan 1 07:04:44 2018] ? btrfs_insert_item+0x66/0xd0 [btrfs]
[Mon Jan 1 07:04:44 2018] btrfs_create_pending_block_groups+0x139/0x250
[btrfs]
[Mon Jan 1 07:04:44 2018] __btrfs_end_transaction+0x78/0x2e0 [btrfs]
[Mon Jan 1 07:04:44 2018] btrfs_end_transaction+0xf/0x20 [btrfs]
[Mon Jan 1 07:04:44 2018] btrfs_inc_block_group_ro+0xea/0x190 [btrfs]
[Mon Jan 1 07:04:44 2018] scrub_enumerate_chunks+0x215/0x660 [btrfs]
[Mon Jan 1 07:04:44 2018] btrfs_scrub_dev+0x1e8/0x4e0 [btrfs]
[Mon Jan 1 07:04:44 2018] btrfs_ioctl+0x1480/0x28b0 [btrfs]
[Mon Jan 1 07:04:44 2018] ? kmem_cache_alloc+0x30c/0x540
[Mon Jan 1 07:04:44 2018] ? btrfs_ioctl_get_supported_features+0x30/0x30
[btrfs]
[Mon Jan 1 07:04:44 2018] do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:04:44 2018] ? do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:04:44 2018] ? create_task_io_context+0x78/0xe0
[Mon Jan 1 07:04:44 2018] ? get_task_io_context+0x3d/0x80
[Mon Jan 1 07:04:44 2018] SyS_ioctl+0x58/0x70
[Mon Jan 1 07:04:44 2018] do_fast_syscall_32+0x71/0x1a0
[Mon Jan 1 07:04:44 2018] entry_SYSENTER_32+0x4e/0x7c
[Mon Jan 1 07:04:44 2018] EIP: 0xb7f81cf9
[Mon Jan 1 07:04:44 2018] EFLAGS: 00000246 CPU: 0
[Mon Jan 1 07:04:44 2018] EAX: ffffffda EBX: 00000003 ECX: c400941b EDX:
092e21b8
[Mon Jan 1 07:04:44 2018] ESI: 092e21b8 EDI: 003d0f00 EBP: b7cff1e8 ESP:
b7cff188
[Mon Jan 1 07:04:44 2018] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[Mon Jan 1 07:04:44 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:04:44 2018] ---[ end trace 6b4736d811ae42e1 ]---
[Mon Jan 1 07:05:00 2018] ------------[ cut here ]------------
[Mon Jan 1 07:05:00 2018] WARNING: CPU: 1 PID: 443 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:05:00 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:05:00 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:05:00 2018] CPU: 1 PID: 443 Comm: btrfs-cleaner Tainted: G
W 4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:05:00 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:05:00 2018] task: f28d4a80 task.stack: f2918000
[Mon Jan 1 07:05:00 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:05:00 2018] EFLAGS: 00010206 CPU: 1
[Mon Jan 1 07:05:00 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:05:00 2018] ESI: cbc344b0 EDI: 00000000 EBP: f2919e9c ESP:
f2919e5c
[Mon Jan 1 07:05:00 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:05:00 2018] CR0: 80050033 CR2: 008c8c20 CR3: 1a2e2180 CR4:
000006f0
[Mon Jan 1 07:05:00 2018] Call Trace:
[Mon Jan 1 07:05:00 2018] btrfs_remove_chunk+0x26a/0x7e0 [btrfs]
[Mon Jan 1 07:05:00 2018] btrfs_delete_unused_bgs+0x321/0x3f0 [btrfs]
[Mon Jan 1 07:05:00 2018] cleaner_kthread+0x13c/0x150 [btrfs]
[Mon Jan 1 07:05:00 2018] kthread+0xf3/0x110
[Mon Jan 1 07:05:00 2018] ? __btree_submit_bio_start+0x20/0x20 [btrfs]
[Mon Jan 1 07:05:00 2018] ? kthread_create_on_node+0x20/0x20
[Mon Jan 1 07:05:00 2018] ret_from_fork+0x19/0x24
[Mon Jan 1 07:05:00 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:05:00 2018] ---[ end trace 6b4736d811ae42e2 ]---
[Mon Jan 1 07:06:57 2018] ------------[ cut here ]------------
[Mon Jan 1 07:06:57 2018] WARNING: CPU: 1 PID: 13584 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:06:57 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:06:57 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:06:57 2018] CPU: 1 PID: 13584 Comm: btrfs Tainted: G W
4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:06:57 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:06:57 2018] task: eb8b5540 task.stack: d58ec000
[Mon Jan 1 07:06:57 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:06:57 2018] EFLAGS: 00010206 CPU: 1
[Mon Jan 1 07:06:57 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:06:57 2018] ESI: e1166cd0 EDI: 00000000 EBP: d58edbd8 ESP:
d58edb98
[Mon Jan 1 07:06:57 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:06:57 2018] CR0: 80050033 CR2: 016f135c CR3: 1a2e2460 CR4:
000006f0
[Mon Jan 1 07:06:57 2018] Call Trace:
[Mon Jan 1 07:06:57 2018] btrfs_finish_chunk_alloc+0xf3/0x480 [btrfs]
[Mon Jan 1 07:06:57 2018] ? btrfs_free_path.part.26+0x1c/0x20 [btrfs]
[Mon Jan 1 07:06:57 2018] ? btrfs_insert_item+0x66/0xd0 [btrfs]
[Mon Jan 1 07:06:57 2018] btrfs_create_pending_block_groups+0x139/0x250
[btrfs]
[Mon Jan 1 07:06:57 2018] __btrfs_end_transaction+0x78/0x2e0 [btrfs]
[Mon Jan 1 07:06:57 2018] btrfs_end_transaction+0xf/0x20 [btrfs]
[Mon Jan 1 07:06:57 2018] btrfs_inc_block_group_ro+0xea/0x190 [btrfs]
[Mon Jan 1 07:06:57 2018] scrub_enumerate_chunks+0x215/0x660 [btrfs]
[Mon Jan 1 07:06:57 2018] btrfs_scrub_dev+0x1e8/0x4e0 [btrfs]
[Mon Jan 1 07:06:57 2018] btrfs_ioctl+0x1480/0x28b0 [btrfs]
[Mon Jan 1 07:06:57 2018] ? page_add_file_rmap+0x54/0x130
[Mon Jan 1 07:06:57 2018] ? filemap_map_pages+0x310/0x330
[Mon Jan 1 07:06:57 2018] ? kmap_atomic_prot+0xd3/0xf0
[Mon Jan 1 07:06:57 2018] ? __kunmap_atomic+0x5b/0x80
[Mon Jan 1 07:06:57 2018] ? kmem_cache_alloc+0x30c/0x540
[Mon Jan 1 07:06:57 2018] ? btrfs_ioctl_get_supported_features+0x30/0x30
[btrfs]
[Mon Jan 1 07:06:57 2018] do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:06:57 2018] ? do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:06:57 2018] ? create_task_io_context+0x78/0xe0
[Mon Jan 1 07:06:57 2018] ? get_task_io_context+0x3d/0x80
[Mon Jan 1 07:06:57 2018] SyS_ioctl+0x58/0x70
[Mon Jan 1 07:06:57 2018] do_fast_syscall_32+0x71/0x1a0
[Mon Jan 1 07:06:57 2018] entry_SYSENTER_32+0x4e/0x7c
[Mon Jan 1 07:06:57 2018] EIP: 0xb7f81cf9
[Mon Jan 1 07:06:57 2018] EFLAGS: 00000246 CPU: 1
[Mon Jan 1 07:06:57 2018] EAX: ffffffda EBX: 00000003 ECX: c400941b EDX:
092e2610
[Mon Jan 1 07:06:57 2018] ESI: 092e2610 EDI: 003d0f00 EBP: b74fe1e8 ESP:
b74fe188
[Mon Jan 1 07:06:57 2018] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[Mon Jan 1 07:06:57 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:06:57 2018] ---[ end trace 6b4736d811ae42e3 ]---
[Mon Jan 1 07:07:27 2018] ------------[ cut here ]------------
[Mon Jan 1 07:07:27 2018] WARNING: CPU: 0 PID: 443 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:07:27 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:07:27 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:07:27 2018] CPU: 0 PID: 443 Comm: btrfs-cleaner Tainted: G
W 4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:07:27 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:07:27 2018] task: f28d4a80 task.stack: f2918000
[Mon Jan 1 07:07:27 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:07:27 2018] EFLAGS: 00010206 CPU: 0
[Mon Jan 1 07:07:27 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:07:27 2018] ESI: f165c2d0 EDI: 00000000 EBP: f2919e9c ESP:
f2919e5c
[Mon Jan 1 07:07:27 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:07:27 2018] CR0: 80050033 CR2: 01d69dbc CR3: 31557000 CR4:
000006f0
[Mon Jan 1 07:07:27 2018] Call Trace:
[Mon Jan 1 07:07:27 2018] btrfs_remove_chunk+0x26a/0x7e0 [btrfs]
[Mon Jan 1 07:07:27 2018] btrfs_delete_unused_bgs+0x321/0x3f0 [btrfs]
[Mon Jan 1 07:07:27 2018] cleaner_kthread+0x13c/0x150 [btrfs]
[Mon Jan 1 07:07:27 2018] kthread+0xf3/0x110
[Mon Jan 1 07:07:27 2018] ? __btree_submit_bio_start+0x20/0x20 [btrfs]
[Mon Jan 1 07:07:28 2018] ? kthread_create_on_node+0x20/0x20
[Mon Jan 1 07:07:28 2018] ret_from_fork+0x19/0x24
[Mon Jan 1 07:07:28 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:07:28 2018] ---[ end trace 6b4736d811ae42e4 ]---
[Mon Jan 1 07:07:40 2018] ------------[ cut here ]------------
[Mon Jan 1 07:07:40 2018] WARNING: CPU: 0 PID: 13584 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:07:40 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:07:40 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:07:40 2018] CPU: 0 PID: 13584 Comm: btrfs Tainted: G W
4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:07:40 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:07:40 2018] task: eb8b5540 task.stack: d58ec000
[Mon Jan 1 07:07:40 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:07:40 2018] EFLAGS: 00010206 CPU: 0
[Mon Jan 1 07:07:40 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:07:40 2018] ESI: f286cb90 EDI: 00000000 EBP: d58edbd8 ESP:
d58edb98
[Mon Jan 1 07:07:40 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:07:40 2018] CR0: 80050033 CR2: b5de8000 CR3: 1a2e2460 CR4:
000006f0
[Mon Jan 1 07:07:40 2018] Call Trace:
[Mon Jan 1 07:07:40 2018] btrfs_finish_chunk_alloc+0xf3/0x480 [btrfs]
[Mon Jan 1 07:07:40 2018] ? btrfs_free_path.part.26+0x1c/0x20 [btrfs]
[Mon Jan 1 07:07:40 2018] ? btrfs_insert_item+0x66/0xd0 [btrfs]
[Mon Jan 1 07:07:40 2018] btrfs_create_pending_block_groups+0x139/0x250
[btrfs]
[Mon Jan 1 07:07:40 2018] __btrfs_end_transaction+0x78/0x2e0 [btrfs]
[Mon Jan 1 07:07:40 2018] btrfs_end_transaction+0xf/0x20 [btrfs]
[Mon Jan 1 07:07:40 2018] btrfs_inc_block_group_ro+0xea/0x190 [btrfs]
[Mon Jan 1 07:07:40 2018] scrub_enumerate_chunks+0x215/0x660 [btrfs]
[Mon Jan 1 07:07:40 2018] btrfs_scrub_dev+0x1e8/0x4e0 [btrfs]
[Mon Jan 1 07:07:40 2018] btrfs_ioctl+0x1480/0x28b0 [btrfs]
[Mon Jan 1 07:07:40 2018] ? page_add_file_rmap+0x54/0x130
[Mon Jan 1 07:07:40 2018] ? filemap_map_pages+0x310/0x330
[Mon Jan 1 07:07:40 2018] ? kmap_atomic_prot+0xd3/0xf0
[Mon Jan 1 07:07:40 2018] ? __kunmap_atomic+0x5b/0x80
[Mon Jan 1 07:07:40 2018] ? kmem_cache_alloc+0x30c/0x540
[Mon Jan 1 07:07:40 2018] ? btrfs_ioctl_get_supported_features+0x30/0x30
[btrfs]
[Mon Jan 1 07:07:40 2018] do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:07:40 2018] ? do_vfs_ioctl+0x90/0x650
[Mon Jan 1 07:07:40 2018] ? create_task_io_context+0x78/0xe0
[Mon Jan 1 07:07:40 2018] ? get_task_io_context+0x3d/0x80
[Mon Jan 1 07:07:40 2018] SyS_ioctl+0x58/0x70
[Mon Jan 1 07:07:40 2018] do_fast_syscall_32+0x71/0x1a0
[Mon Jan 1 07:07:40 2018] entry_SYSENTER_32+0x4e/0x7c
[Mon Jan 1 07:07:40 2018] EIP: 0xb7f81cf9
[Mon Jan 1 07:07:40 2018] EFLAGS: 00000246 CPU: 0
[Mon Jan 1 07:07:40 2018] EAX: ffffffda EBX: 00000003 ECX: c400941b EDX:
092e2610
[Mon Jan 1 07:07:40 2018] ESI: 092e2610 EDI: 003d0f00 EBP: b74fe1e8 ESP:
b74fe188
[Mon Jan 1 07:07:40 2018] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[Mon Jan 1 07:07:40 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:07:40 2018] ---[ end trace 6b4736d811ae42e5 ]---
[Mon Jan 1 07:08:27 2018] ------------[ cut here ]------------
[Mon Jan 1 07:08:27 2018] WARNING: CPU: 0 PID: 443 at
/build/linux-SCFPgu/linux-4.14.2/fs/btrfs/ctree.h:1564
btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:08:27 2018] Modules linked in: md4 nls_utf8 cifs ccm
dns_resolver fscache option usb_wwan usbserial isofs loop ses enclosure
scsi_transport_sas hid_generic usbhid hid ipt_REJECT nf_reject_ipv4
xt_multiport iptable_filter xt_REDIRECT nf_nat_redirect xt_physdev br_netfilter
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c xt_tcpudp iptable_mangle bridge stp llc arc4 iTCO_wdt
iTCO_vendor_support ppdev evdev snd_hda_codec_realtek snd_hda_codec_generic
ath5k ath mac80211 cfg80211 snd_hda_intel i915 rfkill coretemp snd_hda_codec
snd_hda_core snd_hwdep serio_raw snd_pcm_oss pcspkr snd_mixer_oss lpc_ich
snd_pcm mfd_core snd_timer snd video soundcore drm_kms_helper sg drm shpchp
i2c_algo_bit rng_core parport_pc parport button acpi_cpufreq binfmt_misc
w83627hf hwmon_vid
[Mon Jan 1 07:08:27 2018] ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
fscrypto ecb crypto_simd cryptd aes_i586 btrfs crc32c_generic xor
zstd_decompress zstd_compress xxhash raid6_pq uas usb_storage sr_mod sd_mod
cdrom ata_generic ata_piix i2c_i801 libata firewire_ohci scsi_mod firewire_core
crc_itu_t ehci_pci uhci_hcd ehci_hcd e1000e ptp pps_core usbcore usb_common
[Mon Jan 1 07:08:27 2018] CPU: 0 PID: 443 Comm: btrfs-cleaner Tainted: G
W 4.14.0-1-686-pae #1 Debian 4.14.2-1
[Mon Jan 1 07:08:27 2018] Hardware name: AOpen i945GMx-IF/i945GMx-IF, BIOS
i945GMx-IF R1.01 Mar.02.2007 AOpen Inc. 03/02/2007
[Mon Jan 1 07:08:27 2018] task: f28d4a80 task.stack: f2918000
[Mon Jan 1 07:08:27 2018] EIP: btrfs_update_device+0x220/0x230 [btrfs]
[Mon Jan 1 07:08:27 2018] EFLAGS: 00010206 CPU: 0
[Mon Jan 1 07:08:27 2018] EAX: 00000000 EBX: f6908400 ECX: 0000000c EDX:
00000200
[Mon Jan 1 07:08:27 2018] ESI: e1166fa0 EDI: 00000000 EBP: f2919e9c ESP:
f2919e5c
[Mon Jan 1 07:08:27 2018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[Mon Jan 1 07:08:27 2018] CR0: 80050033 CR2: b66ec200 CR3: 1a2e2180 CR4:
000006f0
[Mon Jan 1 07:08:27 2018] Call Trace:
[Mon Jan 1 07:08:27 2018] btrfs_remove_chunk+0x26a/0x7e0 [btrfs]
[Mon Jan 1 07:08:27 2018] btrfs_delete_unused_bgs+0x321/0x3f0 [btrfs]
[Mon Jan 1 07:08:27 2018] cleaner_kthread+0x13c/0x150 [btrfs]
[Mon Jan 1 07:08:27 2018] kthread+0xf3/0x110
[Mon Jan 1 07:08:27 2018] ? __btree_submit_bio_start+0x20/0x20 [btrfs]
[Mon Jan 1 07:08:27 2018] ? kthread_create_on_node+0x20/0x20
[Mon Jan 1 07:08:27 2018] ret_from_fork+0x19/0x24
[Mon Jan 1 07:08:27 2018] Code: e9 81 fe ff ff 8d b6 00 00 00 00 bf f4 ff ff
ff e9 78 fe ff ff 8d b6 00 00 00 00 f3 90 eb a8 8d 74 26 00 f3 90 e9 2b ff ff
ff 90 <0f> ff e9 7a ff ff ff e8 14 ad 48 d0 8d 74 26 00 3e 8d 74 26 00
[Mon Jan 1 07:08:27 2018] ---[ end trace 6b4736d811ae42e6 ]---
