https://bugzilla.kernel.org/show_bug.cgi?id=218471
Bug ID: 218471
Summary: F2FS fails to mount rw at boot with "invalid zstd
compress level: 6"
Product: File System
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: high
Priority: P3
Component: f2fs
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Using Debian 12.5 "Bookworm" and updated to most-recent stable release kernel
"linux-image-6.1.0-18-amd64" which changelog says:
linux-signed-amd64 (6.1.76+1) bookworm; urgency=medium
* Sign kernel from linux 6.1.76-1
When it boots the f2fs filesystem fails to mount read-write and the boot
journal shows:
kernel: F2FS-fs (nvme0n1p6): invalid zstd compress level: 6
This is the fstab entry for the corresponding partition:
UUID=XXXXXXXXXXX / f2fs
compress_algorithm=zstd:6,compress_chksum,atgc,gc_merge,lazytime 0 1
Under the previous kernel the partition correctly mounts and the 'mount'
command shows:
/dev/nvme0n1p6 on / type f2fs
(rw,relatime,lazytime,background_gc=on,gc_merge,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,flush_merge,extent_cache,mode=adaptive,active_logs=6,alloc_mode=default,checkpoint_merge,fsync_mode=posix,compress_algorithm=zstd:6,compress_log_size=2,compress_chksum,compress_mode=fs,atgc,discard_unit=block,memory=normal)
I was able to remount the filesystem read-write with:
sudo mount -o
remount,rw,relatime,lazytime,background_gc=on,discard,no_heap,user_xattr,inline_xattr,acl,inline_data,inline_dentry,extent_cache,mode=adaptive,active_logs=6,alloc_mode=default,checkpoint_merge,fsync_mode=posix,compress_algorithm=lz4,compress_log_size=2,compress_mode=fs,atgc,discard_unit=block,memory=normal
/dev/nvme0n1p6 /
and from there was able to update /etc/default/grub to boot the previous
kernel:
GRUB_DEFAULT="Advanced options for Debian GNU/Linux>Debian GNU/Linux, with
Linux 6.1.0-17-amd64"
I believe this bug may have been introduced with this patch:
https://www.spinics.net/lists/stable-commits/msg329957.html
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