Can't switch user from a locked screen (no gdmflexiserver binary in $PATH)
It is not possible to switch user from the gnome-screensaver lock dialog when using lightdm. Although lightdm provides its own gdmflexiserver implementation, it's not in the default $PATH, so gnome-screensaver doesn't find it and hides the option to switch user.
Apparently, this was meant to be worked around by adding /usr/lib/lightdm to the default $PATH:
<seb128> mterry, hey
--> mdeslaur (~mdeslaur@
<seb128> mterry, do you have time for a lightdm bug today? ;-)
<mterry> seb128, sure
<seb128> mterry, the gdmflexiserver path hack still doesn't work...
mterry, that breaks user switching on the lock screen
<mterry> seb128, guh
seb128, bug number?
<seb128> I knew you were going to love that :p
mterry, it was IRC reported but I can file a bug if you want
let me check if there is one
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<mterry> seb128, so to reproduce, I lock my screen and try to switch users?
<seb128> mterry, well basically you uninstall gdm or move its gdmflexiserver away, (restart gnome-screensav
mterry, you should get no "switch user" button
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<seb128> mterry, the code is basically looking if gdmflexiserver is in the path, but it's not
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<mterry> seb128, this is without lightdm?
<seb128> mterry, no, that's with lightdm
* mterry wonders why gdmflexiserver isn't in the path
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<seb128> mterry, because lightdm install it in /usr/lib/lightdm and your path hack seems to not work (my guess)
mterry, remember you added code to add /usr/lib/lightdm to the PATH
which is somewhat hackish ;-)
<mterry> seb128, I remember. But it was working...
<seb128> well doing a "strings /proc/$(pidof gnome-session)
mterry, yeah, I blame it on robert_ancell he probably broke it :p