[Xen-bugs] [Bug 825] New: blank screen in X (no panel) radeon m300 1400x1050

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=825

           Summary: blank screen in X (no panel) radeon m300 1400x1050
           Product: Xen
           Version: unspecified
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ivan_vk@xxxxxxxxx


Problem Description:
Xen X server doesnt recognize the notebook monitor (panel) hence black screen.

Affected:
XEN 3.0.3 (same behaviour if from Fedora or build from the xen sources by me)

Additional info:
the external monitor(LCD) I use is recognized by XEN and I can use my notebook,
but not with his own panel. 
(the ext.LCD requires some conf tweaks to get it right, but it works)
I tried many diff tweaks to the xorg.conf (modelines etc) without any result.

Target:
To be able to use Xen with notebook's panel + external monitor

System:
OS FC6
Lenovo R52 with Fedora 6
2.6.18-1.2849.fc6 #1 SMP Fri Nov 10 12:45:28 EST 2006 i686 i686 i386 GNU/Linux
ATI Technologies Inc M22 [Radeon Mobility M300] rev 0, Mem @ 0xc0000000/27,
0xb0100000/16, I/O @ 0x3000/8
Chipset ATI Radeon Mobility X300 (M22) 5460 (PCIE) 
xorg driver:  "radeon" (radeon_drv.so)
(II) RADEON(0): Panel ID string: Samsung LTN150P1-L02    
(II) RADEON(0): Panel Size from BIOS: 1400x1050


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