Hi Jaegeuk,
24.08.2016, 00:27, "Jaegeuk Kim" <[email protected]>:
> Hi,
>
> This is caused by no free segment to write data or node blocks.
> In both of cases, have you tried file defragmentation?
> I'd like to know whether this bug happens in normal cases as well.
Just got this after my main process, that writes the video archive, was
killed by OOM killer, and the system restarted thanks to
vm.panic_on_oom + kernel.panic. Then right after the restart I got this:
[ 26.845556] ------------[ cut here ]------------
[ 26.861986] WARNING: at
/home/alex/work/s2l/amb_S2l_SDK_2.5/SDK2.5/s2l_linux_sdk/ambarella/kernel/linux-3.10/fs/f2fs/segment.c:876
update_sit_entry+0x118/0x218 [f2fs]()
[ 26.881959] Modules linked in: ov4689_mipi(PO) crc32 f2fs xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter
ip_tables x_tables sd_mod mmc_block usb_storage evdev bcmdv
[ 26.971301] CPU: 0 PID: 525 Comm: videoserverd Tainted: P O
3.10.93 #1
[ 26.996438] [<80012444>] (unwind_backtrace+0x0/0x118) from [<80010cdc>]
(show_stack+0x10/0x14)
[ 27.021738] [<80010cdc>] (show_stack+0x10/0x14) from [<8001d3c8>]
(warn_slowpath_common+0x4c/0x68)
[ 27.041226] [<8001d3c8>] (warn_slowpath_common+0x4c/0x68) from [<8001d474>]
(warn_slowpath_null+0x18/0x20)
[ 27.066835] [<8001d474>] (warn_slowpath_null+0x18/0x20) from [<7f4b647c>]
(update_sit_entry+0x118/0x218 [f2fs])
[ 27.133465] [<7f4b647c>] (update_sit_entry+0x118/0x218 [f2fs]) from
[<7f4b800c>] (refresh_sit_entry+0x1c/0xb8 [f2fs])
[ 27.188132] [<7f4b800c>] (refresh_sit_entry+0x1c/0xb8 [f2fs]) from
[<7f4b903c>] (allocate_data_block+0x238/0x318 [f2fs])
[ 27.209063] [<7f4b903c>] (allocate_data_block+0x238/0x318 [f2fs]) from
[<7f4b9340>] (do_write_page+0x224/0x270 [f2fs])
[ 27.242807] [<7f4b9340>] (do_write_page+0x224/0x270 [f2fs]) from
[<7f4b94b8>] (write_data_page+0x8c/0xa4 [f2fs])
[ 27.260651] [<7f4b94b8>] (write_data_page+0x8c/0xa4 [f2fs]) from
[<7f4afff4>] (do_write_data_page+0x10c/0x430 [f2fs])
[ 27.281858] [<7f4afff4>] (do_write_data_page+0x10c/0x430 [f2fs]) from
[<7f4b060c>] (f2fs_write_data_page+0x2f4/0x4d4 [f2fs])
[ 27.302545] [<7f4b060c>] (f2fs_write_data_page+0x2f4/0x4d4 [f2fs]) from
[<7f4ad24c>] (f2fs_write_data_pages+0x2d8/0x3dc [f2fs])
[ 27.315031] [<7f4ad24c>] (f2fs_write_data_pages+0x2d8/0x3dc [f2fs]) from
[<800665f4>] (__filemap_fdatawrite_range+0x60/0x68)
[ 27.333922] [<800665f4>] (__filemap_fdatawrite_range+0x60/0x68) from
[<800666f4>] (filemap_write_and_wait_range+0x34/0x78)
[ 27.369185] [<800666f4>] (filemap_write_and_wait_range+0x34/0x78) from
[<7f49bbc8>] (f2fs_do_sync_file+0xc8/0x56c [f2fs])
[ 27.384766] [<7f49bbc8>] (f2fs_do_sync_file+0xc8/0x56c [f2fs]) from
[<7f49c090>] (f2fs_sync_file+0x24/0x2c [f2fs])
[ 27.396348] [<7f49c090>] (f2fs_sync_file+0x24/0x2c [f2fs]) from [<800b5fdc>]
(vfs_fsync+0x20/0x28)
[ 27.406225] [<800b5fdc>] (vfs_fsync+0x20/0x28) from [<800b6140>]
(do_fsync+0x28/0x48)
[ 27.414893] [<800b6140>] (do_fsync+0x28/0x48) from [<8000e1c0>]
(ret_fast_syscall+0x0/0x38)
[ 27.428760] ---[ end trace d9a54d63707dc19e ]---
[ 34.177477] ------------[ cut here ]------------
[ 34.204559] WARNING: at
/home/alex/work/s2l/amb_S2l_SDK_2.5/SDK2.5/s2l_linux_sdk/ambarella/kernel/linux-3.10/fs/f2fs/segment.c:881
update_sit_entry+0x16c/0x218 [f2fs]()
[ 34.314185] Modules linked in: ov4689_mipi(PO) crc32 f2fs xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter
ip_tables x_tables sd_mod mmc_block usb_storage evdev bcmdv
[ 34.409462] CPU: 0 PID: 613 Comm: videoserverd Tainted: P W O
3.10.93 #1
[ 34.472011] [<80012444>] (unwind_backtrace+0x0/0x118) from [<80010cdc>]
(show_stack+0x10/0x14)
[ 34.509232] [<80010cdc>] (show_stack+0x10/0x14) from [<8001d3c8>]
(warn_slowpath_common+0x4c/0x68)
[ 34.541215] [<8001d3c8>] (warn_slowpath_common+0x4c/0x68) from [<8001d474>]
(warn_slowpath_null+0x18/0x20)
[ 34.621879] [<8001d474>] (warn_slowpath_null+0x18/0x20) from [<7f4b64d0>]
(update_sit_entry+0x16c/0x218 [f2fs])
[ 34.662256] [<7f4b64d0>] (update_sit_entry+0x16c/0x218 [f2fs]) from
[<7f4b8050>] (refresh_sit_entry+0x60/0xb8 [f2fs])
[ 34.702123] [<7f4b8050>] (refresh_sit_entry+0x60/0xb8 [f2fs]) from
[<7f4b903c>] (allocate_data_block+0x238/0x318 [f2fs])
[ 34.741857] [<7f4b903c>] (allocate_data_block+0x238/0x318 [f2fs]) from
[<7f4b9340>] (do_write_page+0x224/0x270 [f2fs])
[ 34.805079] [<7f4b9340>] (do_write_page+0x224/0x270 [f2fs]) from
[<7f4b94b8>] (write_data_page+0x8c/0xa4 [f2fs])
[ 34.841321] [<7f4b94b8>] (write_data_page+0x8c/0xa4 [f2fs]) from
[<7f4afff4>] (do_write_data_page+0x10c/0x430 [f2fs])
[ 34.906465] [<7f4afff4>] (do_write_data_page+0x10c/0x430 [f2fs]) from
[<7f4b060c>] (f2fs_write_data_page+0x2f4/0x4d4 [f2fs])
[ 34.979779] [<7f4b060c>] (f2fs_write_data_page+0x2f4/0x4d4 [f2fs]) from
[<7f4ad24c>] (f2fs_write_data_pages+0x2d8/0x3dc [f2fs])
[ 35.009256] [<7f4ad24c>] (f2fs_write_data_pages+0x2d8/0x3dc [f2fs]) from
[<800665f4>] (__filemap_fdatawrite_range+0x60/0x68)
[ 35.069102] [<800665f4>] (__filemap_fdatawrite_range+0x60/0x68) from
[<800666f4>] (filemap_write_and_wait_range+0x34/0x78)
[ 35.096669] [<800666f4>] (filemap_write_and_wait_range+0x34/0x78) from
[<7f49bbc8>] (f2fs_do_sync_file+0xc8/0x56c [f2fs])
[ 35.119298] [<7f49bbc8>] (f2fs_do_sync_file+0xc8/0x56c [f2fs]) from
[<7f49c090>] (f2fs_sync_file+0x24/0x2c [f2fs])
[ 35.142967] [<7f49c090>] (f2fs_sync_file+0x24/0x2c [f2fs]) from [<800b5fdc>]
(vfs_fsync+0x20/0x28)
[ 35.194647] [<800b5fdc>] (vfs_fsync+0x20/0x28) from [<800b6140>]
(do_fsync+0x28/0x48)
[ 35.213048] [<800b6140>] (do_fsync+0x28/0x48) from [<8000e1c0>]
(ret_fast_syscall+0x0/0x38)
[ 35.239412] ---[ end trace d9a54d63707dc19f ]---
I consider this to be a normal situation. The filesystem was created
several days ago with the default section size and mounted with these
options: nodev,noexec,nosuid,noatime,nodiratime,nouser_xattr,noacl,mode=lfs
Here is also the status right after the warnings:
=====[ partition info(sda). #0, RW]=====
[SB: 1] [CP: 2] [SIT: 6] [NAT: 114] [SSA: 116] [MAIN: 59149(OverProv:3003
Resv:48)]
Utilization: 18% (5357903 valid blocks)
- Node: 6279 (Inode: 976, Other: 5303)
- Data: 5351624
- Inline_xattr Inode: 0
- Inline_data Inode: 0
- Inline_dentry Inode: 0
- Orphan Inode: 0
Main area: 59149 segs, 59149 secs 59149 zones
- COLD data: 12160, 12160, 12160
- WARM data: 11878, 11878, 11878
- HOT data: 59117, 59117, 59117
- Dir dnode: 59118, 59118, 59118
- File dnode: 59115, 59115, 59115
- Indir nodes: 59129, 59129, 59129
- Valid: 380
- Dirty: 11221
- Prefree: 0
- Free: 47548 (47548)
CP calls: 4 (BG: 0)
GC calls: 0 (BG: 0)
- data segments : 0 (0)
- node segments : 0 (0)
Try to move 0 blocks (BG: 0)
- data blocks : 0 (0)
- node blocks : 0 (0)
Extent Cache:
- Hit Count: L1-1:26 L1-2:2 L2:1
- Hit Ratio: 5% (29 / 574)
- Inner Struct Count: tree: 973(0), node: 0
Balancing F2FS Async:
- inmem: 0, wb_bios: 0
- nodes: 4 in 9
- dents: 2 in dirs: 2 ( 0)
- datas: 0 in files: 0
- meta: 0 in 23
- NATs: 3/ 167
- SITs: 3/ 59149
- free_nids: 3587
Distribution of User Blocks: [ valid | invalid | free ]
[---------|--|---------------------------------------]
IPU: 0 blocks
SSR: 0 blocks in 0 segments
LFS: 3394 blocks in 7 segments
BDF: 93, avg. vblocks: 460
Memory: 12820 KB
- static: 12597 KB
- cached: 94 KB
- paged : 128 KB
> Can you provide fsck.f2fs messages?
Sure:
Info: sector size = 512
Info: total sectors = 243253248 (in 512 bytes)
Info: MKFS version
"Linux version 3.10.93 (alex@deb-i386) (gcc version 4.9.1 20140625
(prerelease) (crosstool-NG - Ambarella Linaro Multilib GCC [CortexA9 & ARMv6k]
2014.06) ) #1 PREEMPT Mon Aug 22 12:09:13 MSK 2016"
Info: FSCK version
from "Linux version 3.10.93 (alex@deb-i386) (gcc version 4.9.1 20140625
(prerelease) (crosstool-NG - Ambarella Linaro Multilib GCC [CortexA9 & ARMv6k]
2014.06) ) #1 PREEMPT Mon Aug 22 12:09:13 MSK 2016"
to "Linux version 3.10.93 (alex@deb-i386) (gcc version 4.9.1 20140625
(prerelease) (crosstool-NG - Ambarella Linaro Multilib GCC [CortexA9 & ARMv6k]
2014.06) ) #1 PREEMPT Mon Aug 22 12:09:13 MSK 2016"
[FSCK] Unreachable nat entries [Ok..] [0x0]
[FSCK] SIT valid block bitmap checking [Ok..]
[FSCK] Hard link checking for regular file [Ok..] [0x0]
[FSCK] valid_block_count matching with CP [Ok..] [0x51c14f]
[FSCK] valid_node_count matcing with CP (de lookup) [Ok..] [0x1887]
[FSCK] valid_node_count matcing with CP (nat lookup) [Ok..] [0x1887]
[FSCK] valid_inode_count matched with CP [Ok..] [0x3d0]
[FSCK] free segment_count matched with CP [Ok..] [0xb9bc]
[FSCK] next block offset is free [Ok..]
[FSCK] fixing SIT types
[FSCK] other corrupted bugs [Ok..]
Done.
--
Alexander
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