[deivid]

I'm getting 'crashes' that I don't know how to debug:
Sometimes xbmc is closed (it's not important) but upstart keeps respawning it within a second, and it keeps crashing, so I have about 3 thousand lines of
[23477.279973] init: xbmc main process (16778) terminated with status 1
[23477.279998] init: xbmc main process ended, respawning
[23492.307343] init: xbmc main process (16785) terminated with status 1
[23492.307395] init: xbmc main process ended, respawning
[23507.336532] init: xbmc main process (16836) terminated with status 1
[23507.336556] init: xbmc main process ended, respawning

in dmesg

there's no xbmc-crashlog in my home folder, if there's any log I can post here I will. If this problem is unrelated to xbmc and it's upstart's fault I'd like to know

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Solved.
First, X wouldn't start because it had no permissions. I had followed the tutorial and ran the dpkg-reconfigure x11-commons but it seems like doing a dist-upgrade broke the permissions.
Then xbmc couldn't find the r600 driver, because the user was not in the 'video' group. I don't know why that happened, because it was working before, which implies that the user was in the group.

Anyway, it's working now.

Thanks