* Bogus ENOSPC during send/receive
@ 2018-11-29 12:45 Henri Valta
0 siblings, 0 replies; only message in thread
From: Henri Valta @ 2018-11-29 12:45 UTC (permalink / raw)
To: linux-btrfs
Hi,
I've encountered mostly reproducable ENOSPC problem with send/receive.
The target is empty, newly created btrfs on regular HDD.
Reproduced twice with Arch Linux 4.19.4 kernel and once with the system
booted from arch install ISO
Current Release: 2018.11.01
Included Kernel: 4.18.16
The failing file is not always the same, and the fail seems to happen
either at about 20GB or 70GB in during the process of 92GB total
-Henri
System info:
Linux 4.19.4-arch1-1-ARCH #1 SMP PREEMPT Fri Nov 23 09:06:58 UTC 2018
x86_64 GNU/Linux
processor : 15
vendor_id : AuthenticAMD
cpu family : 23
model : 8
model name : AMD Ryzen 7 2700X Eight-Core Processor
stepping : 2
microcode : 0x800820b
MS-7B79/X470 GAMING PRO (MS-7B79), BIOS 1.50 11/16/2018
What I did:
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 447.1G 0 disk
├─sda1 8:1 0 430G 0 part /btrfs-root
├─sda2 8:2 0 200M 0 part /boot
├─sda3 8:3 0 1M 0 part
└─sda4 8:4 0 17G 0 part [SWAP]
sdb 8:16 0 298.1G 0 disk
└─sdb1 8:17 0 298.1G 0 part
sdc 8:32 0 931.5G 0 disk
└─cryptspace 254:0 0 931.5G 0 crypt /space
sdd 8:48 1 3.8G 0 disk
├─sdd1 8:49 1 586M 0 part
└─sdd2 8:50 1 64M 0 part
# mkfs.btrfs -f /dev/sdb1
btrfs-progs v4.19
See http://btrfs.wiki.kernel.org for more information.
Label: (null)
UUID: 19974bba-3d07-4c06-bb89-b089f7dfc348
Node size: 16384
Sector size: 4096
Filesystem size: 298.09GiB
Block group profiles:
Data: single 8.00MiB
Metadata: DUP 1.00GiB
System: DUP 8.00MiB
SSD detected: no
Incompat features: extref, skinny-metadata
Number of devices: 1
Devices:
ID SIZE PATH
1 298.09GiB /dev/sdb1
# mkdir /tmp/m
# mount /dev/sdb1 /tmp/m -o compress=zstd,enospc_debug
# dmesg
...
[ 1367.364041] BTRFS: device fsid 19974bba-3d07-4c06-bb89-b089f7dfc348
devid 1 transid 5 /dev/sdb1
[ 1389.892696] BTRFS info (device sdb1): setting 16 feature flag
[ 1389.892699] BTRFS info (device sdb1): use zstd compression, level 0
[ 1389.892702] BTRFS info (device sdb1): disk space caching is enabled
[ 1389.892703] BTRFS info (device sdb1): has skinny extents
[ 1389.892705] BTRFS info (device sdb1): flagging fs with big metadata
feature
[ 1389.910456] BTRFS info (device sdb1): checking UUID tree
# btrfs filesystem usage /tmp/m
Overall:
Device size: 298.09GiB
Device allocated: 2.02GiB
Device unallocated: 296.07GiB
Device missing: 0.00B
Used: 512.00KiB
Free (estimated): 296.07GiB (min: 148.04GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 16.00MiB (used: 0.00B)
Data,single: Size:8.00MiB, Used:256.00KiB
/dev/sdb1 8.00MiB
Metadata,DUP: Size:1.00GiB, Used:112.00KiB
/dev/sdb1 2.00GiB
System,DUP: Size:8.00MiB, Used:16.00KiB
/dev/sdb1 16.00MiB
Unallocated:
/dev/sdb1 296.07GiB
# btrfs filesystem usage /btrfs-root
Overall:
Device size: 430.00GiB
Device allocated: 105.07GiB
Device unallocated: 324.93GiB
Device missing: 0.00B
Used: 91.40GiB
Free (estimated): 335.36GiB (min: 172.89GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 199.52MiB (used: 0.00B)
Data,single: Size:99.01GiB, Used:88.58GiB
/dev/sda1 99.01GiB
Metadata,DUP: Size:3.00GiB, Used:1.41GiB
/dev/sda1 6.00GiB
System,DUP: Size:32.00MiB, Used:16.00KiB
/dev/sda1 64.00MiB
Unallocated:
/dev/sda1 324.93GiB
# mount
...
/dev/sda1 on / type btrfs
(rw,relatime,compress=zstd,ssd,discard,space_cache,subvolid=349,subvol=/rootvol)
/dev/sda1 on /btrfs-root type btrfs
(rw,relatime,compress=zstd,ssd,discard,space_cache,subvolid=5,subvol=/)
/dev/sdb1 on /tmp/m type btrfs
(rw,relatime,compress=zstd,space_cache,enospc_debug,subvolid=5,subvol=/)
# cd /btrfs-root
# btrfs subvolume snapshot -r rootvol rootvol_ro
Create a readonly snapshot of 'rootvol' in './rootvol_ro'
# btrfs send rootvol_ro | btrfs receive /tmp/m/
At subvol rootvol_ro
At subvol rootvol_ro
...
send still running, about 20GB copied, some messages appear on dmesg:
[ 2144.411529] ------------[ cut here ]------------
[ 2144.411532] BTRFS: block rsv returned -28
[ 2144.411586] WARNING: CPU: 2 PID: 5334 at fs/btrfs/extent-tree.c:8203
btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2144.411587] Modules linked in: cmac rfcomm bnep dm_crypt
algif_skcipher af_alg amdkfd amd_iommu_v2 nls_iso8859_1 nls_cp437 vfat
amdgpu fat edac_mce_amd chash gpu_sched i2c_algo_bit ttm kvm_amd
snd_hda_codec_realtek drm_kms_helper snd_hda_codec_generic kvm
snd_hda_codec_hdmi drm snd_hda_intel irqbypass dm_mod snd_hda_codec
crct10dif_pclmul btusb crc32_pclmul snd_hda_core btrtl agpgart
ghash_clmulni_intel btbcm snd_hwdep ppdev syscopyarea btintel pcbc
wmi_bmof bluetooth aesni_intel aes_x86_64 crypto_simd snd_pcm cryptd
glue_helper r8169 sp5100_tco ccp snd_timer i2c_piix4 ecdh_generic
k10temp pcspkr sysfillrect snd joydev sysimgblt rfkill input_leds
rng_core mousedev libphy soundcore crc16 fb_sys_fops parport_pc parport
evdev pinctrl_amd wmi pcc_cpufreq gpio_amdpt mac_hid acpi_cpufreq sg
crypto_user
[ 2144.411626] ip_tables x_tables btrfs libcrc32c crc32c_generic xor
raid6_pq sd_mod hid_generic usbhid uas hid usb_storage ahci libahci
libata xhci_pci crc32c_intel scsi_mod xhci_hcd
[ 2144.411640] CPU: 2 PID: 5334 Comm: kworker/u32:18 Not tainted
4.19.4-arch1-1-ARCH #1
[ 2144.411641] Hardware name: Micro-Star International Co., Ltd.
MS-7B79/X470 GAMING PRO (MS-7B79), BIOS 1.50 11/16/2018
[ 2144.411663] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[btrfs]
[ 2144.411678] RIP: 0010:btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2144.411680] Code: 48 c7 c7 60 e5 36 c0 89 44 24 28 e8 af 76 19 f9 8b
54 24 28 85 c0 0f 84 36 ff ff ff 89 d6 48 c7 c7 98 36 32 c0 e8 0f c1 a0
f8 <0f> 0b e9 21 ff ff ff 49 8b 84 24 f0 01 00 00 48 8b 74 24 37 48 89
[ 2144.411681] RSP: 0018:ffff952c4cd93b28 EFLAGS: 00010282
[ 2144.411683] RAX: 0000000000000000 RBX: ffff8bd4d7e42000 RCX:
0000000000000000
[ 2144.411684] RDX: 0000000000000007 RSI: ffffffffb9c9e3ce RDI:
00000000ffffffff
[ 2144.411685] RBP: 0000000000004000 R08: 0000000000000001 R09:
00000000000004c5
[ 2144.411686] R10: 0000000000000001 R11: 0000000000000000 R12:
ffff8bd41cda3000
[ 2144.411687] R13: ffff8bd532f6c208 R14: ffff8bcd8093e328 R15:
0000000000000000
[ 2144.411689] FS: 0000000000000000(0000) GS:ffff8bd53ea80000(0000)
knlGS:0000000000000000
[ 2144.411690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2144.411691] CR2: 00007f2bf8b6b6c0 CR3: 00000007bf706000 CR4:
00000000003406e0
[ 2144.411692] Call Trace:
[ 2144.411708] ? leaf_space_used+0xdc/0x100 [btrfs]
[ 2144.411722] split_leaf+0x145/0x5f0 [btrfs]
[ 2144.411736] btrfs_search_slot+0x9cc/0xa00 [btrfs]
[ 2144.411751] btrfs_insert_empty_items+0x67/0xc0 [btrfs]
[ 2144.411768] insert_reserved_file_extent.constprop.26+0x106/0x2f0
[btrfs]
[ 2144.411787] btrfs_finish_ordered_io+0x5d8/0x7c0 [btrfs]
[ 2144.411807] normal_work_helper+0xbd/0x350 [btrfs]
[ 2144.411812] process_one_work+0x1eb/0x410
[ 2144.411815] worker_thread+0x2d/0x3d0
[ 2144.411817] ? process_one_work+0x410/0x410
[ 2144.411819] kthread+0x112/0x130
[ 2144.411821] ? kthread_park+0x80/0x80
[ 2144.411824] ret_from_fork+0x22/0x40
[ 2144.411828] ---[ end trace f0a292bb1b26398c ]---
[ 2196.110071] use_block_rsv: 5 callbacks suppressed
[ 2196.110072] ------------[ cut here ]------------
[ 2196.110074] BTRFS: block rsv returned -28
[ 2196.110123] WARNING: CPU: 3 PID: 7 at fs/btrfs/extent-tree.c:8203
btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2196.110124] Modules linked in: cmac rfcomm bnep dm_crypt
algif_skcipher af_alg amdkfd amd_iommu_v2 nls_iso8859_1 nls_cp437 vfat
amdgpu fat edac_mce_amd chash gpu_sched i2c_algo_bit ttm kvm_amd
snd_hda_codec_realtek drm_kms_helper snd_hda_codec_generic kvm
snd_hda_codec_hdmi drm snd_hda_intel irqbypass dm_mod snd_hda_codec
crct10dif_pclmul btusb crc32_pclmul snd_hda_core btrtl agpgart
ghash_clmulni_intel btbcm snd_hwdep ppdev syscopyarea btintel pcbc
wmi_bmof bluetooth aesni_intel aes_x86_64 crypto_simd snd_pcm cryptd
glue_helper r8169 sp5100_tco ccp snd_timer i2c_piix4 ecdh_generic
k10temp pcspkr sysfillrect snd joydev sysimgblt rfkill input_leds
rng_core mousedev libphy soundcore crc16 fb_sys_fops parport_pc parport
evdev pinctrl_amd wmi pcc_cpufreq gpio_amdpt mac_hid acpi_cpufreq sg
crypto_user
[ 2196.110163] ip_tables x_tables btrfs libcrc32c crc32c_generic xor
raid6_pq sd_mod hid_generic usbhid uas hid usb_storage ahci libahci
libata xhci_pci crc32c_intel scsi_mod xhci_hcd
[ 2196.110177] CPU: 3 PID: 7 Comm: kworker/u32:0 Tainted: G W
4.19.4-arch1-1-ARCH #1
[ 2196.110178] Hardware name: Micro-Star International Co., Ltd.
MS-7B79/X470 GAMING PRO (MS-7B79), BIOS 1.50 11/16/2018
[ 2196.110201] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[btrfs]
[ 2196.110218] RIP: 0010:btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2196.110220] Code: 48 c7 c7 60 e5 36 c0 89 44 24 28 e8 af 76 19 f9 8b
54 24 28 85 c0 0f 84 36 ff ff ff 89 d6 48 c7 c7 98 36 32 c0 e8 0f c1 a0
f8 <0f> 0b e9 21 ff ff ff 49 8b 84 24 f0 01 00 00 48 8b 74 24 37 48 89
[ 2196.110222] RSP: 0018:ffff952c43213b18 EFLAGS: 00010286
[ 2196.110223] RAX: 0000000000000000 RBX: ffff8bd4d7e42000 RCX:
0000000000000000
[ 2196.110225] RDX: 0000000000000007 RSI: ffffffffb9c9e3ce RDI:
00000000ffffffff
[ 2196.110226] RBP: 0000000000004000 R08: 0000000000000001 R09:
00000000000004e8
[ 2196.110227] R10: 0000000000000001 R11: 0000000000000000 R12:
ffff8bd4de851800
[ 2196.110228] R13: ffff8bd53575f680 R14: ffff8bd532cc8188 R15:
0000000000000000
[ 2196.110229] FS: 0000000000000000(0000) GS:ffff8bd53eac0000(0000)
knlGS:0000000000000000
[ 2196.110231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2196.110232] CR2: 00007fd0d813e2b0 CR3: 00000006de2c0000 CR4:
00000000003406e0
[ 2196.110233] Call Trace:
[ 2196.110250] ? leaf_space_used+0xdc/0x100 [btrfs]
[ 2196.110263] split_leaf+0x145/0x5f0 [btrfs]
[ 2196.110278] btrfs_search_slot+0x9cc/0xa00 [btrfs]
[ 2196.110292] btrfs_insert_empty_items+0x67/0xc0 [btrfs]
[ 2196.110307] btrfs_csum_file_blocks+0x124/0x570 [btrfs]
[ 2196.110325] add_pending_csums+0x50/0x70 [btrfs]
[ 2196.110342] btrfs_finish_ordered_io+0x33f/0x7c0 [btrfs]
[ 2196.110361] normal_work_helper+0xbd/0x350 [btrfs]
[ 2196.110366] process_one_work+0x1eb/0x410
[ 2196.110369] worker_thread+0x2d/0x3d0
[ 2196.110371] ? process_one_work+0x410/0x410
[ 2196.110373] kthread+0x112/0x130
[ 2196.110375] ? kthread_park+0x80/0x80
[ 2196.110378] ret_from_fork+0x22/0x40
[ 2196.110381] ---[ end trace f0a292bb1b26398d ]---
[ 2273.212181] ------------[ cut here ]------------
[ 2273.212183] BTRFS: block rsv returned -28
[ 2273.212232] WARNING: CPU: 14 PID: 5326 at fs/btrfs/extent-tree.c:8203
btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2273.212233] Modules linked in: cmac rfcomm bnep dm_crypt
algif_skcipher af_alg amdkfd amd_iommu_v2 nls_iso8859_1 nls_cp437 vfat
amdgpu fat edac_mce_amd chash gpu_sched i2c_algo_bit ttm kvm_amd
snd_hda_codec_realtek drm_kms_helper snd_hda_codec_generic kvm
snd_hda_codec_hdmi drm snd_hda_intel irqbypass dm_mod snd_hda_codec
crct10dif_pclmul btusb crc32_pclmul snd_hda_core btrtl agpgart
ghash_clmulni_intel btbcm snd_hwdep ppdev syscopyarea btintel pcbc
wmi_bmof bluetooth aesni_intel aes_x86_64 crypto_simd snd_pcm cryptd
glue_helper r8169 sp5100_tco ccp snd_timer i2c_piix4 ecdh_generic
k10temp pcspkr sysfillrect snd joydev sysimgblt rfkill input_leds
rng_core mousedev libphy soundcore crc16 fb_sys_fops parport_pc parport
evdev pinctrl_amd wmi pcc_cpufreq gpio_amdpt mac_hid acpi_cpufreq sg
crypto_user
[ 2273.212269] ip_tables x_tables btrfs libcrc32c crc32c_generic xor
raid6_pq sd_mod hid_generic usbhid uas hid usb_storage ahci libahci
libata xhci_pci crc32c_intel scsi_mod xhci_hcd
[ 2273.212282] CPU: 14 PID: 5326 Comm: kworker/u32:11 Tainted: G
W 4.19.4-arch1-1-ARCH #1
[ 2273.212283] Hardware name: Micro-Star International Co., Ltd.
MS-7B79/X470 GAMING PRO (MS-7B79), BIOS 1.50 11/16/2018
[ 2273.212304] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[btrfs]
[ 2273.212319] RIP: 0010:btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 2273.212321] Code: 48 c7 c7 60 e5 36 c0 89 44 24 28 e8 af 76 19 f9 8b
54 24 28 85 c0 0f 84 36 ff ff ff 89 d6 48 c7 c7 98 36 32 c0 e8 0f c1 a0
f8 <0f> 0b e9 21 ff ff ff 49 8b 84 24 f0 01 00 00 48 8b 74 24 37 48 89
[ 2273.212322] RSP: 0018:ffff952c4cd63b28 EFLAGS: 00010282
[ 2273.212323] RAX: 0000000000000000 RBX: ffff8bd4d7e42000 RCX:
0000000000000000
[ 2273.212324] RDX: 0000000000000007 RSI: ffffffffb9c9e3ce RDI:
00000000ffffffff
[ 2273.212325] RBP: 0000000000004000 R08: 0000000000000001 R09:
000000000000050d
[ 2273.212326] R10: 0000000000000001 R11: 0000000000000000 R12:
ffff8bd41cda3000
[ 2273.212327] R13: ffff8bd535465a90 R14: ffff8bd536eeb6c8 R15:
0000000000000000
[ 2273.212329] FS: 0000000000000000(0000) GS:ffff8bd53ed80000(0000)
knlGS:0000000000000000
[ 2273.212330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2273.212331] CR2: 00007f287938d010 CR3: 00000006de2c0000 CR4:
00000000003406e0
[ 2273.212332] Call Trace:
[ 2273.212348] ? leaf_space_used+0xdc/0x100 [btrfs]
[ 2273.212361] split_leaf+0x145/0x5f0 [btrfs]
[ 2273.212376] btrfs_search_slot+0x9cc/0xa00 [btrfs]
[ 2273.212390] btrfs_insert_empty_items+0x67/0xc0 [btrfs]
[ 2273.212407] insert_reserved_file_extent.constprop.26+0x106/0x2f0
[btrfs]
[ 2273.212425] btrfs_finish_ordered_io+0x5d8/0x7c0 [btrfs]
[ 2273.212444] normal_work_helper+0xbd/0x350 [btrfs]
[ 2273.212449] process_one_work+0x1eb/0x410
[ 2273.212452] worker_thread+0x2d/0x3d0
[ 2273.212454] ? process_one_work+0x410/0x410
[ 2273.212456] kthread+0x112/0x130
[ 2273.212458] ? kthread_park+0x80/0x80
[ 2273.212461] ret_from_fork+0x22/0x40
[ 2273.212464] ---[ end trace f0a292bb1b26398e ]---
...
back to the previous send which was still running... Now it fails with
this error after ~70GB transferred
# btrfs send rootvol_ro | btrfs receive /tmp/m/
At subvol rootvol_ro
At subvol rootvol_ro
ERROR: rename o379967-120-0 ->
opt/altera/13.0sp1/modelsim_ae/altera/vhdl/arriavgz_hssi/8bc44/_primary.dat
failed: No space left on device
New stuff from dmesg:
[ 3707.694762] use_block_rsv: 6 callbacks suppressed
[ 3707.694763] ------------[ cut here ]------------
[ 3707.694766] BTRFS: block rsv returned -28
[ 3707.694814] WARNING: CPU: 13 PID: 5392 at fs/btrfs/extent-tree.c:8203
btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 3707.694815] Modules linked in: cmac rfcomm bnep dm_crypt
algif_skcipher af_alg amdkfd amd_iommu_v2 nls_iso8859_1 nls_cp437 vfat
amdgpu fat edac_mce_amd chash gpu_sched i2c_algo_bit ttm kvm_amd
snd_hda_codec_realtek drm_kms_helper snd_hda_codec_generic kvm
snd_hda_codec_hdmi drm snd_hda_intel irqbypass dm_mod snd_hda_codec
crct10dif_pclmul btusb crc32_pclmul snd_hda_core btrtl agpgart
ghash_clmulni_intel btbcm snd_hwdep ppdev syscopyarea btintel pcbc
wmi_bmof bluetooth aesni_intel aes_x86_64 crypto_simd snd_pcm cryptd
glue_helper r8169 sp5100_tco ccp snd_timer i2c_piix4 ecdh_generic
k10temp pcspkr sysfillrect snd joydev sysimgblt rfkill input_leds
rng_core mousedev libphy soundcore crc16 fb_sys_fops parport_pc parport
evdev pinctrl_amd wmi pcc_cpufreq gpio_amdpt mac_hid acpi_cpufreq sg
crypto_user
[ 3707.694851] ip_tables x_tables btrfs libcrc32c crc32c_generic xor
raid6_pq sd_mod hid_generic usbhid uas hid usb_storage ahci libahci
libata xhci_pci crc32c_intel scsi_mod xhci_hcd
[ 3707.694864] CPU: 13 PID: 5392 Comm: kworker/u32:23 Tainted: G
W 4.19.4-arch1-1-ARCH #1
[ 3707.694865] Hardware name: Micro-Star International Co., Ltd.
MS-7B79/X470 GAMING PRO (MS-7B79), BIOS 1.50 11/16/2018
[ 3707.694886] Workqueue: btrfs-endio-write btrfs_endio_write_helper
[btrfs]
[ 3707.694901] RIP: 0010:btrfs_alloc_tree_block+0x21b/0x5b0 [btrfs]
[ 3707.694902] Code: 48 c7 c7 60 e5 36 c0 89 44 24 28 e8 af 76 19 f9 8b
54 24 28 85 c0 0f 84 36 ff ff ff 89 d6 48 c7 c7 98 36 32 c0 e8 0f c1 a0
f8 <0f> 0b e9 21 ff ff ff 49 8b 84 24 f0 01 00 00 48 8b 74 24 37 48 89
[ 3707.694904] RSP: 0018:ffff952c4c943ad0 EFLAGS: 00010286
[ 3707.694905] RAX: 0000000000000000 RBX: ffff8bd4d7e42000 RCX:
0000000000000000
[ 3707.694906] RDX: 0000000000000007 RSI: ffffffffb9c9e3ce RDI:
00000000ffffffff
[ 3707.694907] RBP: 0000000000004000 R08: 0000000000000001 R09:
0000000000000535
[ 3707.694908] R10: 0000000000000001 R11: 0000000000000000 R12:
ffff8bd4de851800
[ 3707.694909] R13: ffff8bd532c33d68 R14: ffff8bd482282098 R15:
0000000000000000
[ 3707.694911] FS: 0000000000000000(0000) GS:ffff8bd53ed40000(0000)
knlGS:0000000000000000
[ 3707.694912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3707.694913] CR2: 00007ffc6ce90ff8 CR3: 00000007fa85a000 CR4:
00000000003406e0
[ 3707.694914] Call Trace:
[ 3707.694930] __btrfs_cow_block+0x142/0x520 [btrfs]
[ 3707.694944] btrfs_cow_block+0xdc/0x1a0 [btrfs]
[ 3707.694958] btrfs_search_slot+0x282/0xa00 [btrfs]
[ 3707.694973] btrfs_lookup_csum+0x52/0x150 [btrfs]
[ 3707.694977] ? kmem_cache_alloc+0x16e/0x1c0
[ 3707.694992] btrfs_csum_file_blocks+0x22c/0x570 [btrfs]
[ 3707.695009] add_pending_csums+0x50/0x70 [btrfs]
[ 3707.695026] btrfs_finish_ordered_io+0x33f/0x7c0 [btrfs]
[ 3707.695045] normal_work_helper+0xbd/0x350 [btrfs]
[ 3707.695049] process_one_work+0x1eb/0x410
[ 3707.695052] worker_thread+0x2d/0x3d0
[ 3707.695054] ? process_one_work+0x410/0x410
[ 3707.695056] kthread+0x112/0x130
[ 3707.695058] ? kthread_park+0x80/0x80
[ 3707.695061] ret_from_fork+0x22/0x40
[ 3707.695064] ---[ end trace f0a292bb1b26398f ]---
[ 3714.148546] BTRFS info (device sdb1): space_info 4 has
18446744058945519616 free, is not full
[ 3714.148549] BTRFS info (device sdb1): space_info total=1073741824,
used=308281344, pinned=0, reserved=360448, may_use=15529066496,
readonly=65536
# btrfs filesystem usage /tmp/m
Overall:
Device size: 298.09GiB
Device allocated: 78.02GiB
Device unallocated: 220.07GiB
Device missing: 0.00B
Used: 75.88GiB
Free (estimated): 220.78GiB (min: 110.75GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 111.95MiB (used: 0.00B)
Data,single: Size:76.01GiB, Used:75.29GiB
/dev/sdb1 76.01GiB
Metadata,DUP: Size:1.00GiB, Used:302.73MiB
/dev/sdb1 2.00GiB
System,DUP: Size:8.00MiB, Used:16.00KiB
/dev/sdb1 16.00MiB
Unallocated:
/dev/sdb1 220.07GiB
# ls -oah
/btrfs-root/rootvol/opt/altera/13.0sp1/modelsim_ae/altera/vhdl/arriavgz_hssi/8bc44/_primary.dat
-rw-r--r-- 1 root 8.2K Jun 13 2013
/opt/altera/13.0sp1/modelsim_ae/altera/vhdl/arriavgz_hssi/8bc44/_primary.dat
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2018-11-29 12:45 Bogus ENOSPC during send/receive Henri Valta
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