Comment 17 for bug 2042546

We are still seeing this issue on the latest 6.2.0-1016-azure kernel

user@ubuntu:~$ uname -a
Linux ubuntu 6.2.0-1016-azure #16~22.04.1-Ubuntu SMP Tue Oct 10 17:11:51 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

user@ubuntu:~$ modprobe cifs
modprobe: FATAL: Module cifs not found in directory /lib/modules/6.2.0-1016-azure

user@ubuntu:~$ ls -lh /lib/modules/6.2.0-1016-azure/kernel/fs/
total 120K
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 9p
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 autofs
-rw-r--r-- 1 root root 38K Oct 10 16:03 binfmt_misc.ko
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 btrfs
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 cachefiles
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 ceph
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 dlm
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 fat
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 fscache
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 fuse
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 isofs
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 lockd
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 netfs
drwxr-xr-x 5 root root 4.0K Nov 1 02:12 nfs
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 nfs_common
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 nfsd
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 nls
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 overlayfs
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 udf
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 ufs
drwxr-xr-x 2 root root 4.0K Nov 1 02:12 xfs

user@ubuntu:~$ apt list --installed 2>/dev/null | grep -i cifs
cifs-utils/jammy-updates,jammy-security,now 2:6.14-1ubuntu0.1 amd64 [installed]

user@ubuntu:~$ sudo mount -t cifs //<mount>/<path>/ /mnt/<mount_point> -o username=<mount_user>
Password for <mount_user>@//<mount>/<point>/<path>:
mount error: cifs filesystem not supported by the system
mount error(19): No such device
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)