[Bug 23887] New: [kms,radeon] display goes out of sync when radeon kernel module loads

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23887

           Summary: [kms,radeon]  display goes out of sync when radeon
                    kernel module loads
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: yoshi314 at gmail.com
         QAContact: xorg-team at lists.x.org


as in description - when radeon module is loaded, display goes into power
saving/out of sync mode. 

the system is operating properly otherwise (i can login, run commands, issue a
reboot, etc). i did not try starting X when the system was in that state.

fragment of log from kernel with merged drm-next repository (
http://git.zen-sources.org/?p=zen.git;a=summary at commit
8f99495de3571ca40430a7977d616709b8816a66 ) 

http://pastebin.ca/1563248

dmesg log of 2.6.31 (gentoo-sources-2.6.31 - mainline with few non-gfx related
patches) 
http://pastebin.ca/1563494

my graphics card is 
05:00.0 VGA compatible controller: ATI Technologies Inc RV515 PRO [Radeon
X1300/X1550 Series]
05:00.1 Display controller: ATI Technologies Inc RV515 PRO [Radeon X1300/X1550
Series] (Secondary)

first dvi port is connected to benq fp72g+d lcd monitor.


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