Ok, the problem is caused by the change in minimum protocol version. In xenial, smb 1.0 is the default, but in bionic it's 3.0.
In the working xenial case, when I force protocol version 3.0 via "vers=3.0" in the pam_mount config, I get the same error as in bionic.
The troubleshooting continues!
Ok, the problem is caused by the change in minimum protocol version. In xenial, smb 1.0 is the default, but in bionic it's 3.0.
In the working xenial case, when I force protocol version 3.0 via "vers=3.0" in the pam_mount config, I get the same error as in bionic.
The troubleshooting continues!