After i apt upgrade from linux-image-5.4.0-89-generic to linux-image-5.4.0-90-generic, mount.cifs failed with dmesg "CIFS VFS: CIFS mount error: iocharset utf8 not found", and i rollback it and it restores.
After i apt upgrade from linux-image- 5.4.0-89- generic to linux-image- 5.4.0-90- generic, mount.cifs failed with dmesg "CIFS VFS: CIFS mount error: iocharset utf8 not found", and i rollback it and it restores.