[Bug 19803] [HD3870] Blank screen when GDM starts

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jan 30 09:11:05 PST 2009


--- Comment #10 from Rune Svendsen <runesvend at gmail.com>  2009-01-30 09:11:05 PST ---
(In reply to comment #7)
> just run 'make'.  you'll need the libpciaccess-dev package installed.

Aah, that package I was missing. Now it works. I've attached the output from
avivotool when using the working (vesa) driver and when using the non-working
(ati) driver.

> http://www.botchco.com/agd5f/?page_id=2

When I compile the newest drivers and restart GDM it works in the highest
resolution  (2048x1536 at 60Hz). I then tried to change the resolution to
1600x1200 at 85Hz and the symptom described in the bug returned (screen is blank
and standby LED goes on (changes from light green to orange)).

Now, when using the ati driver, I don't know how to get back to the 2048x1536
resolution so I can test which other resolutions work. When I restart GDM I
keep getting a blank screen with the ati-driver.

I would rather not restart my computer as I'm running a Live CD and I'd need to
compile all that I've compiled all over again.

I've tried adding the following line to the "Screen" section in my xorg.conf
but it doesn't help:

        DefaultDepth    24
        SubSection "Display"
                Depth           8
                Modes           "2048x1536"
        SubSection "Display"
                Depth           16
                Modes           "2048x1536"
        SubSection "Display"
                Depth           24
                Modes           "2048x1536"
        EndSubSection(In reply to comment #7)

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