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[SOLVED] iso mount mount failed: No such file or directory.
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stefan11111
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PostPosted: Wed Sep 18, 2024 8:22 am    Post subject: [SOLVED] iso mount mount failed: No such file or directory. Reply with quote

Hi.

It seems that I have borked my config, as I can no longer mount iso's
I have tried mounting an iso to an empty dir, but it doesn't work.

Code:

$ ls -lah install-amd64-minimal-20240811T170405Z.iso
-rw-rw-r-- 1 stefan stefan 529M Aug 22 19:42 install-amd64-minimal-20240811T170405Z.iso

Code:

$ ls -lah mount_dir
total 8.0K
drwxrwxr-x  2 stefan stefan 4.0K Aug 22 19:58 .
drwx------ 28 stefan stefan 4.0K Sep 13 09:28 ..

Code:

$ mount install-amd64-minimal-20240811T170405Z.iso -o loop mount_dir
mount: mount_dir: mount failed: No such file or directory.

And nothing in dmesg.

Here's my kernel config:
http://0x0.st/X3ee.txt

Does anyone have any idea what might have went wrong?
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INSTALL_MASK="/etc/systemd /lib/systemd /usr/lib/systemd /usr/lib/modules-load.d *udev* /usr/lib/tmpfiles.d *tmpfiles* /var/lib/dbus /usr/bin/gdbus /lib/udev"


Last edited by stefan11111 on Thu Sep 19, 2024 8:00 am; edited 1 time in total
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pietinger
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PostPosted: Wed Sep 18, 2024 9:51 am    Post subject: Reply with quote

Maybe you need # CONFIG_UDF_FS is not set ?
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stefan11111
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PostPosted: Wed Sep 18, 2024 10:40 am    Post subject: Reply with quote

pietinger wrote:
Maybe you need # CONFIG_UDF_FS is not set ?

Added that.
Still the same issue.

http://0x0.st/X32q.txt
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INSTALL_MASK="/etc/systemd /lib/systemd /usr/lib/systemd /usr/lib/modules-load.d *udev* /usr/lib/tmpfiles.d *tmpfiles* /var/lib/dbus /usr/bin/gdbus /lib/udev"
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lars_the_bear
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PostPosted: Wed Sep 18, 2024 11:19 am    Post subject: Reply with quote

Um...

Are you trying to mount something on `mount_dir` when `mount_dir` is the CWD? The error message is about `mount_dir`, not about the FS type, or so it seems to me.

BR, Lars.
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Goverp
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PostPosted: Wed Sep 18, 2024 11:43 am    Post subject: Reply with quote

FWIW I yesterday mounted an ISO with
Code:
mount -t iso9660 foo.iso /mnt/foo

I don't know if that's something else.
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Banana
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PostPosted: Wed Sep 18, 2024 2:32 pm    Post subject: Reply with quote

I do get this error only if I do it as a non root user.
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bstaletic
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PostPosted: Wed Sep 18, 2024 2:49 pm    Post subject: Reply with quote

Still looks like a missing kernel config, to me.
Do you have /dev/loop?
What about CONFIG_BLK_DEV_LOOP and CONFIG_ISO9660_FS?

EDIT: I missed the kernel config linked in the OP. Nevermind.


Last edited by bstaletic on Wed Sep 18, 2024 4:08 pm; edited 1 time in total
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NeddySeagoon
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PostPosted: Wed Sep 18, 2024 3:18 pm    Post subject: Reply with quote

stefan11111,

Code:
$ mount ...
only root can do that.
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Chiitoo
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PostPosted: Wed Sep 18, 2024 4:22 pm    Post subject: Reply with quote

NeddySeagoon wrote:
stefan11111,

Code:
$ mount ...
only root can do that.

Here the message is 'failed to setup loop device for' when non-root, for me at least... not that the directory is not there.

Maybe also try using absolute paths for the command?

If it was kernel-level support missing, maybe there would be something in 'dmesg'?
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stefan11111
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PostPosted: Thu Sep 19, 2024 7:59 am    Post subject: Reply with quote

bstaletic wrote:
Still looks like a missing kernel config, to me.
Do you have /dev/loop?
What about CONFIG_BLK_DEV_LOOP and CONFIG_ISO9660_FS?

EDIT: I missed the kernel config linked in the OP. Nevermind.


Yup. Thanks for reminding me to double check /dev.
That was the problem.
I forgot to mknod /dev/loop-control and /dev/loop0 was created as a char device instead of a block device.

Thank you all for help.
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INSTALL_MASK="/etc/systemd /lib/systemd /usr/lib/systemd /usr/lib/modules-load.d *udev* /usr/lib/tmpfiles.d *tmpfiles* /var/lib/dbus /usr/bin/gdbus /lib/udev"
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