[Bug 59211] New: Radeon FireGL RV630 black screen after bootup, incorrect modesetting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59211

          Priority: medium
            Bug ID: 59211
          Assignee: xorg-driver-ati at lists.x.org
           Summary: Radeon FireGL RV630 black screen after bootup,
                    incorrect modesetting
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: kadjette at yahoo.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/Radeon
           Product: xorg

Created attachment 72799
  --> https://bugs.freedesktop.org/attachment.cgi?id=72799&action=edit
Xorg log

Just recently updated my system from Xubuntu 12.04LTS with fglrx driver to
Xubuntu 12.10 with Xorg radeon driver. After bootup screen goes black with
monitor reporting "Input not supported". Further investigation shows KMS is
trying to default the resolution to 1400 x 1050 which is not supported by the
monitor. I can switch to the terminal and run this command to force the correct
resolution:

XAUTHORITY=/var/run/lightdm/root/\:0 xrandr --output DVI-0 --mode "1440x900" -d
:0.0

Rebooting the system results in the same scenario above. 

System specs
ATI Radeon FireGL RV630 V3600
Acer 19" display AL1917WA w/DVI ouput
Kernal 3.5.0-21-generic
Xorg 1.13.0
Mesa 9.0-0ubuntu1
Xubuntu 12.0
Intel(R) Core(TM)2 Duo CPU     E6550  @ 2.33GHz

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