linux-ext4 - [Bug 218011] ext4 root filesystem related hangs on 6.5 kernels

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Message-ID: <bug-218011-13602-rS3oJf4YsL@https.bugzilla.kernel.org/>
Date:   Sun, 15 Oct 2023 06:05:43 +0000
From:   bugzilla-daemon@...nel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 218011] ext4 root filesystem related hangs on 6.5 kernels

https://bugzilla.kernel.org/show_bug.cgi?id=218011

--- Comment #3 from jaak+bugzilla.kernel.org@...tioja.ee ---
The mount line for root I already posted was this:

/dev/nvme0n1p2 on / type ext4
(rw,noatime,nodiratime,nodioread_nolock,discard,nodelalloc)

I'm sorry, but I recreated the root partition for safety. However, here's the
dumpe2fs output on a binary copy of the old failing partition (only label
changed with tune2fs -L):

# dumpe2fs -h /dev/vg/root-old
dumpe2fs 1.47.0 (5-Feb-2023)
Filesystem volume name:   root-old
Last mounted on:          /
Filesystem UUID:          febed35b-df13-4e6a-a9de-4ae17673322a
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype
extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize
metadata_csum
Filesystem flags:         signed_directory_hash 
Default mount options:    journal_data user_xattr acl
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              2621440
Block count:              10485760
Reserved block count:     1048576
Free blocks:              5921591
Free inodes:              2208475
First block:              0
Block size:               4096
Fragment size:            4096
Group descriptor size:    64
Reserved GDT blocks:      1024
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         8192
Inode blocks per group:   512
Flex block group size:    16
Filesystem created:       Sat Apr 25 15:02:31 2020
Last mount time:          Sat Oct 14 17:49:31 2023
Last write time:          Sat Oct 14 17:49:24 2023
Mount count:              133
Maximum mount count:      -1
Last checked:             Thu Nov 11 15:55:30 2021
Check interval:           0 (<none>)
Lifetime writes:          79 TB
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               256
Required extra isize:     32
Desired extra isize:      32
Journal inode:            8
Default directory hash:   half_md4
Directory Hash Seed:      764a85fe-24b0-4a45-96d7-7b43a75d90a2
Journal backup:           inode blocks
Checksum type:            crc32c
Checksum:                 0xc4176fe3
Journal features:         journal_64bit journal_checksum_v3
Total journal size:       256M
Total journal blocks:     65536
Max transaction length:   65536
Fast commit length:       0
Journal sequence:         0x0080d73c
Journal start:            0
Journal checksum type:    crc32c
Journal checksum:         0x6d8e4ded

dumpe2fs: Superblock checksum does not match superblock while trying to open
/dev/vg/root-old
*** Run e2fsck now!

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