Bug#770615: Workaround

[j g]

Dear all,


In a recent upgrade to jessie I found this bug, and I found a workaround.

Since this was an upgrade, I had gdm3 installed, I changed to lightdm, and I found that I could not switch users.
In a different system (clean install, install directly mate and lightdm) switch user worked as expected.

So i found the following:

1.- If gdmflexiserver is installed, switch user tries to use it, and fails (because it is not implemented in lightdm?)

2.- gdmflexiserver belongs to the debian package libgdm1

https://packages.debian.org/jessie/amd64/libgdm1/filelist

3.- I removed libgdm1 from my system, and now switch user works as expected:

a.- Menu: "System -> Log out -> switch user" opens a lightdm greeter.

b.- If greeter-hide-users=false in /etc/lightdm/lightdm.conf: if you select a different user, the greeter says "log in". If you select a currently logged in user it says "unlock"

So it seems that if gdmflexiserver is installed it tries to use it (and fails), but if it is not installed then it uses the dm-tool method and works as expected.

Maybe this bug might be solved with a dependence (breaks/conflicts) relashionship between the two packages (lightdm/libgdm1)?
 
Best regards,

Jaume