NTFS > XFS/F2FS No Such Device error

[duarm]

I was testing the NTFS to XFS/F2FS conversion, but couldn't get it to even start, it gives me a No Such Device error, not sure why since I made sure to follow the Requirements.

NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda           8:0    0 931.5G  0 disk
└─sda1        8:1    0 931.4G  0 part

fstransform: starting version 0.9.4, checking environment
fstransform: checking for which...         '/usr/bin/which'
fstransform: checking for expr...         '/usr/bin/expr'
fstransform: checking for id...         '/usr/bin/id'
fstransform: parsing command line arguments
fstransform: device initial (current) file-system type 'ntfs' specified on command line
fstransform: forcing trasformation of untested file systems (DANGEROUS). '--force-untested-file-systems' bytes specified on command line
fstransform: checking for stat...         '/usr/bin/stat'
fstransform: checking for mkfifo...         '/usr/bin/mkfifo'
fstransform: checking for blockdev...         '/usr/bin/blockdev'
fstransform: checking for losetup...         '/usr/bin/losetup'
fstransform: checking for fsck...         '/usr/bin/fsck'
fstransform: checking for mkfs...         '/usr/bin/mkfs'
fstransform: checking for mount...         '/usr/bin/mount'
fstransform: checking for umount...         '/usr/bin/umount'
fstransform: checking for mkdir...         '/usr/bin/mkdir'
fstransform: checking for rmdir...         '/usr/bin/rmdir'
fstransform: checking for rm...         '/usr/bin/rm'
fstransform: checking for dd...         '/usr/bin/dd'
fstransform: checking for sync...         '/usr/bin/sync'
fstransform: checking for fsmove...         '/usr/bin/fsmove'
fstransform: checking for fsmount_kernel...         '/usr/bin/fsmount_kernel'
fstransform: checking for fsremap...         '/usr/bin/fsremap'
fstransform: checking for fsck(source file-system)...        '/usr/bin/fsck'
fstransform: checking for fsck(target file-system)...        '/usr/bin/fsck'
fstransform: looking for optional commands
fstransform: checking for sleep...         '/usr/bin/sleep'
fstransform: checking for date...         '/usr/bin/date'
03:26:05 fstransform: applying special options for file-system type 'ntfs'
03:26:05 fstransform: checking for fsck(source file-system)...        '/usr/bin/ntfsresize' ('ntfsresize' was specified)
03:26:05 fstransform: environment check passed.
03:26:05 fstransform: saving output of this execution into /var/tmp/fstransform/fstransform.log.21879
03:26:05 fstransform: preparing to transform device '/dev/sda1' to file-system type 'f2fs'
03:26:05 fstransform: device '/dev/sda1' not found in the output of command /usr/bin/mount, assuming it is not mounted
03:26:06 fstransform: device is now mounted at '/tmp/fstransform.mount.21879' with file-system type 'fuseblk'
03:26:06 fstransform: file-system type 'fuseblk' is a placeholder name for FUSE... ignoring it (user specified type 'ntfs')
         
03:26:06 fstransform: WARNING: this program is UNTESTED on device current file system 'ntfs' !
         
03:26:06 fstransform: WARNING: this program is UNTESTED on target file system 'f2fs' !
                      this program is tested ONLY on file systems: ext2 ext3 ext4 reiserfs jfs xfs
                      continuing anyway due to option '--force-untested-file-systems' (DANGEROUS)
03:26:06 fstransform: device raw size = 1000068874240 bytes
03:26:06 fstransform: creating sparse loop file '/tmp/fstransform.mount.21879/.fstransform.loop.21879' inside device '/dev/sda1'...
03:26:06 dd: 1+0 records in
03:26:06 dd: 1+0 records out
03:26:06 dd: 1 byte copied, 6.3639e-05 s, 15.7 kB/s
03:26:06 fstransform: device file-system block size = 4096 bytes
03:26:06 fstransform: device usable size = 1000068874240 bytes
03:26:06 dd: 1+0 records in
03:26:06 dd: 1+0 records out
03:26:06 dd: 1 byte copied, 0.000386415 s, 2.6 kB/s
03:26:06 fstransform: unmounting device '/dev/sda1' and remounting it read-only using kernel driver
03:26:06 fsmount_kernel: ERROR: syscall mount(source='/dev/sda1', target='/tmp/fstransform.mount.21879', fstype='ntfs', mountflags=0x1, options='') failed: No such device
         
03:26:06 ERROR! fstransform: command '/usr/bin/fsmount_kernel /dev/sda1 /tmp/fstransform.mount.21879 -o ro -t ntfs' failed (exit status 237)
                this is potentially a problem.
                you can either quit now by pressing ENTER or CTRL+C,
                
                or, if you know what went wrong, you can fix it yourself,
                then manually run the command '/usr/bin/fsmount_kernel /dev/sda1 /tmp/fstransform.mount.21879 -o ro -t ntfs'
                (or something equivalent)
                and finally resume this script by typing CONTINUE and pressing ENTER: 03:26:07 fstransform: exiting.

[cosmos72]

The error you reported

fsmount_kernel: ERROR: syscall mount(source='/dev/sda1', target='/tmp/fstransform.mount.21879', fstype='ntfs', mountflags=0x1, options='') failed: No such device

means the system call mount("/dev/sda1", "/tmp/...", "ntfs", readonly) failed.
One possible reason may be the ntfs.ko kernel module was not found, but hopefully dmesg has more details about the actual reason.

Having said that, I must add that conversion from/to NTFS is not supported. As I wrote in another issue, that's not for lack of trying, but rather because I did not yet manage to overcome/workaround all the obstacles.

[duarm]

I see, I had the impression some people were actually able to make it work, so I thought I would try and maybe report to help. There's nothing on Dmesg related to the mount. A quick locate ntfs.ko finds nothing,

I'm on linux-zen 5.19.12.zen1-1,
ntfs-3g 2022.5.17-1