[f2fs-dev] [Bug 208325] f2fs inconsistent node block

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=208325

--- Comment #4 from zKqri0@gmail.com ---
(In reply to Chao Yu from comment #3)
> (In reply to zKqri0 from comment #2)
> > Mount options are "/dev/sda2 on / type f2fs
> > (rw,relatime,lazytime,background_gc=on,discard,no_heap,user_xattr,
> > inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,
> > mode=adaptive,active_logs=6,alloc_mode=default,fsync_mode=posix)".
> 
> It looks it's default mount options.
> 
> Did you use any special mkfs options? like -O [feature_name]?
> 
> > 
> > I patched my laptop's kernel with those patches but I don't see anything in
> > "trace_pipe" while I'm getting invalid argument errors. Also I noticed that
> > the "nid" and "node_footer" are the same always in the error so its only
> one
> > node block that's messed up. 
> > 
> > Maybe a raw copy of that node block will help find what caused it ?
> 
> Yes, please, I can parse it with dentry_block, inode or dnode structure to
> see what it looks like, and what kind of fields are corrupted.


I used default mkfs options. Here is output of using dump.f2fs on that inode


>sudo dump.f2fs -i 1761978 /dev/sda2


>Info: [/dev/sda2] Disk Model: Samsung SSD 850 
>Info: Segments per section = 1
>Info: Sections per zone = 1
>Info: sector size = 512
>Info: total sectors = 102539264 (50068 MB)
>Info: MKFS version
>  "Linux version 4.20.0-arch1-1-ARCH (builduser@heftig-29859) (gcc version
>  8.2.1 20181127 (GCC)) #1 SMP PREEMPT Mon Dec 24 03:00:40 UTC 2018"
>Info: FSCK version
>  from "Linux version 5.7.2-arch1-1 (linux@archlinux) (gcc version 10.1.0
>  (GCC), GNU ld (GNU Binutils) 2.34.0) #1 SMP PREEMPT Wed, 10 Jun 2020
>  20:36:24 +0000"
>    to "Linux version 5.7.2-arch1-1 (linux@archlinux) (gcc version 10.1.0
>    (GCC), GNU ld (GNU Binutils) 2.34.0) #1 SMP PREEMPT Wed, 10 Jun 2020
>    20:36:24 +0000"
>Info: superblock features = 0 : 
>Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000
>Info: total FS sectors = 102539264 (50068 MB)
>Info: CKPT version = 64d05005
>[print_node_info: 271] Node ID [0x203a7962:540703074] is direct node or
>>indirect node.
>[0]                    [0x5452202c : 1414668332]
>[1]                    [0x45445f4d : 1162108749]
>[2]                    [0x4444414c : 1145323852]
>[3]                    [0x202c2952 : 539765074]
>[4]                    [0x6e657665 : 1852143205]
>[5]                    [0x6f687420 : 1869116448]
>[6]                    [0x20686775 : 543713141]
>[7]                    [0x69207469 : 1763734633]
>[8]                    [0x6f6e2073 : 1869488243]
>[9]                    [0x46202e74 : 1176514164]
>[10]                   [0x69207869 : 1763735657]
>Invalid (i)node block

>Info: checkpoint state = 51 :  crc fsck unmount

>Done: 0.063481 secs

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