apport information
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/48978558/CurrentDmesg.txt
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black screen for chat
https://bugs.launchpad.net/bugs/498736
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
apport information
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/48978668/CurrentDmesg.txt
--
black screen for chat
https://bugs.launchpad.net/bugs/498736
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--