Hi Sergey "Shnatsel" Davidoff,
radeontool can be used to assist in debugging this issue. To install it from
the command line, use this command:
sudo apt-get install radeontool
After installing it, you run it like this:
radeontool regmatch '*' > regdump_good.txt
radeontool regmatch '*' > regdump_broke.txt
Run it two times. Once when you have a working screen (for any driver),
and once in the broken case (either from the tty console or logged into
the sick box remotely). Attach both of those to this bug report, and we
can then forward this issue upstream. Thanks ahead of time!
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/725580
Title:
black screen on boot on radeon 9200
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