You have been subscribed to a public bug:
Kerberized NFS mounts stopped working on Raspberry Pi starting with Ubuntu
21.10. In 22.10 the issue still exists.
The reason is that the kernel module rpcsec_gss_krb5 which is needed for
establishing a kerberos protected NFS connection to the server has been removed
from the kernel image and put to the linux-modules-extra package instead.
In my particular case it was:
linux-image-5.19.0-1011-raspi
Trying to mount the NFS share resulted in the following error message:
mount.nfs: an incorrect mount option was specified
I did not find any documentation stating that the linux-modules-extra
package needs to be installed and the kernel module has to be loaded
manually.
So my expectation would be either to update the documentation or to move
rpcsec_gss_krb5 back to the kernel image.
** Affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment kerberos nfs
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Kerberized NFS mounts not working on Raspberry PI
https://bugs.launchpad.net/bugs/2009597
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which is subscribed to linux-raspi in Ubuntu.
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