Network Manager and managing existing wireless connection

[Schoelje]

[UNSOLVED]

I'm running the unofficial LMDE KDE but maybe somebody had this experience with the regular LM KDE.

I have added this to /etc/network/interfaces to connect to my router at boot time:

Code: Select all

# The wireless network interface
auto wlan0
iface wlan0 inet dhcp
wpa-ssid [MYSSID]
# Run in terminal: wpa_passphrase 'MYSSID' 'MYPASSWD'
wpa-psk [output_from_wpa_passphrase]

To let Network Manager manage this connection I changed /etc/NetworkManager/NetworkManager.conf:

Code: Select all

[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=true

Note the "managed=true" (default is "managed=false").

When I reboot, I see that the wireless connection is created successfully.
I can login with KDM, but when the desktop finally loads it hangs as soon as the plasma-widget-networkmanagement should appear: the desktop has frozen completely.
I have to console login and set manage=false in NetworkManager.conf to be able to show the desktop, but then Network Manager is not managing the existing wireless connection.

Has anyone ever experienced this behavior and found a solution/workaround?

[EDIT]
Wicd has no problems managing existing connections but NM is the default on any Linux Mint version so I prefer that.

[Schoelje]

zerozero suggested to check the "System connections" check box in NM:
viewtopic.php?p=643466#p643466

But this resulted in the same error:
viewtopic.php?p=643585#p643585
which only saves your settings behind a root password.

As I can see no other way out then using Wicd and there are no other suggestions regarding this issue, I'll assume this issue must be dealt with upstream.
I'll set this thread to "unsolved".