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When I try to launch anything except LXDE, LXDM crashes. It takes username & password and returns the same screen asking for username & password.

Why does LXDM crash when I try to launch "Xubuntu Session" or "XFCE Session"?

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If you're going to downvote could you at least tell why? –  Evan Carroll Apr 5 '12 at 20:41
    
I wasn't one of the downvoters but prior to you posting an answer your question looks awful... No details at all. No one could possibly answer it but you. –  Kyle Apr 5 '12 at 20:58
    
Which you did.... and now that I think about it the question isn't any better so I'm adding my downvote. Your answer is good so that should balance it out. –  Kyle Apr 5 '12 at 20:59
    
@EvanCarroll You posted 3 questions in succession which are all of poor quality and to all of which you already knew the answer, but still felt like you had to make it sound like an actual question (and, thus, misleading other users). –  Oliver Salzburg Apr 5 '12 at 21:00
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@EvanCarroll: The problem is that your question isn't very detailed. –  Nathan Osman Apr 5 '12 at 21:11
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1 Answer

up vote 3 down vote accepted

This is because LXDM is bugged in 12.04 and 11.10. You can find more information on the bug and the status of the fix on Launchpad. You would have encountered this bug if you use XFCE or xubuntu-desktop as packaged by Ubuntu and you try to use LXDM to launch it. Or, more probably if you installed Lubuntu and then tried to migrated over to Xubuntu. Essentially, LXDM can't handle a space in the name and you'll have to edit a configuration file.

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