@Brian
This bug was split at about comment 30. We have been working on the case where 
the X crash happens some time after login because it has been started on tty1. 
Bilal's case start on tty7 is now being discussed in bug #626723. I feel a 
little bad that we aren't discussing his situation but that's how others split 
things up. I hope Bilal's not unhappy.

I don't think the current theory for Jamie and Seth's case of this bug
necessarily depends on the nvidia driver being used. It is that the
driver, whichever one it is, isn't ready to work with X as soon as the
current gdm upstart job's preconditions are met and that breaks the
assumptions made in the methods used to prevent tty1 from being fought
over. I think a good case could be made for delaying gdm's start until X
can be successfully run.


If you have the "start on tty1" situation would you mind attaching the output 
of ps aux gathered while you are still on tty1 (before the crash)? That would 
be a good start toward figuring out if you match the pattern we are currently 
discussing or if there is another case to be addressed.


By the way, we know there are two ways the X crash on Enter or 2 key can 
happen--X started on tty1 or tty7. There may again be several ways either of 
those might happen. In particular we don't know here for sure that Jamie and 
Seth are really the same and don't know the root cause of Dino problems.

------------------------------------------

@Dino
I can't speak for all of your fellow bug fighters, but I'm very happy that your 
problem is gone. I'm glad you are still with us. Since a race condition is 
involved, I still really don't know whether the problem you were experiencing 
was the same thing as Jamie's or not. I can't challenge your assumptions in 
comment 75. The way this is supposed to work is quite complicated and the 
config files must be correct to avoid problems.

I hope you will again speak up about your situation if the problem comes
back, but I hope it doesn't. I was having the tty1 problem with pre-
release lucid last Spring until the Plymouth megafix and it's a real
nuisance (I had the tty7 problem sometime during testing, too) my tty1
cases were intermittent, where the problem would happen during one boot
and everything would work the next--with no change at all. I spent more
than a week researching what was happening until the devs were able to
fix it.

Thanks for sticking with us and for continuing to contribute (and for your 
patient contributions above).
-----------------------------------------------

@Seth
Do you think your xorg.conf file could be involved in the problem?

-- 
X starts on wrong tty: pressing enter after 5 minutes crashes X
https://bugs.launchpad.net/bugs/625239
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