The problem persists in Ubuntu 20.04 as well.
I attempted to investigate this issue a little further, found that it is
caused by a race condition between gvfsd and ibus-daemon, and filed a
bug report upstream: https://gitlab.gnome.org/GNOME/gvfs/-/issues/481
My current workaround is hack, but it works:
Add this line to the [Service] section in /usr/lib/systemd/user/gvfs-
daemon.service:
ExecStartPre=bash -c "for i in echo {1..20} ; do ps ax | grep -q
\"^${USER}\b.*[i]bus-daemon\" || sleep 0.1 ; done"
** Bug watch added: gitlab.gnome.org/GNOME/gvfs/-/issues #481
https://gitlab.gnome.org/GNOME/gvfs/-/issues/481
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https://bugs.launchpad.net/bugs/1779890
Title:
Nautilus does not use a valid Kerberos ticket when accessing Samba
share
Status in gvfs package in Ubuntu:
Confirmed
Bug description:
Nautilus prompts for username and password when accessing a Samba
share on a network drive, despite having a perfectly valid unexpired
Kerberos ticket. The Kerberos ticket is obtained automatically at
logon by authentication against a Samba Active Directory server (Samba
AD-DC).
Accessing the same Samba share with the same Kerberos ticket via
"smbclient //host/sharename -k" works fine.
One known workaround is: "nautilus -q", and then "killall gvfsd".
After that, accessing the Samba share with Nautilus works normally as
it should.
I did not experience this issue in Ubuntu 16.04. It appears that a
regression was introduced somewhere between 16.04 and 18.04.
The issue is quite annoying and confusing for the users who are used
to accessing Samba shares on the network drive without being prompted
for their username and password.
The issue appears to manifest itself usually not on the first access
to a Samba share, but on subsequent accesses after a system reboot or
upon user logout/login. Strangely, removing ~/.cache/ibus/bus/registry
file before user login appears to fix the issue for the current user
session, but then the problem reappears upon subsequent user logins or
after a system reboot.
Nemo appears to have the same problem as Nautilus.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gvfs-daemons 1.36.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Tue Jul 3 11:12:06 2018
ExecutablePath: /usr/lib/gvfs/gvfsd
InstallationDate: Installed on 2018-04-27 (66 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
LANG=en_CA.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
SourcePackage: gvfs
UpgradeStatus: No upgrade log present (probably fresh install)
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