hi,
i have the very same issue and acannot mount any external devices. My problem seems to be
policykit-1 udisks2
this is what i get:
# apt-get -d dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
policykit-1 udisks2
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
and
apt-get -s install policykit-1 udisks2
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libpam-systemd systemd-sysv
Suggested packages:
exfat-utils btrfs-tools mdadm
The following packages will be REMOVED:
sysvinit-core
The following NEW packages will be installed:
libpam-systemd systemd-sysv
The following packages will be upgraded:
policykit-1 udisks2
2 upgraded, 2 newly installed, 1 to remove and 0 not upgraded.
Remv sysvinit-core [2.88dsf-53] [sysvinit:amd64 ]
Inst systemd-sysv (204-10 Debian:unstable [amd64])
Conf systemd-sysv (204-10 Debian:unstable [amd64])
Inst libpam-systemd (204-10 Debian:unstable [amd64])
Inst policykit-1 [0.105-4] (0.105-6 Debian:unstable [amd64])
Inst udisks2 [2.1.3-1] (2.1.3-2 Debian:unstable [amd64])
Conf libpam-systemd (204-10 Debian:unstable [amd64])
Conf policykit-1 (0.105-6 Debian:unstable [amd64])
Conf udisks2 (2.1.3-2 Debian:unstable [amd64])
and also
dpkg -l | grep policykit
ii policykit-1 0.105-4 amd64 framework for managing administrative policies and privileges
Any help would be appreciated,
thanks a lot in advance