[Bug 34579] New: Second Head on Radeon Mobility X1400 Flashes on and off at intervals

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34579

           Summary: Second Head on Radeon Mobility X1400 Flashes on and
                    off at intervals
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: revellion at gmail.com
         QAContact: xorg-team at lists.x.org


Using my laptops internal panel works fine but once i turn on the second head
it works fine for about 10-20 secs then it flashes off and on.. then it goes
another 10-20 sec and the same happens again. 

I have filmed the bug with bambuser from my HTC Desire to show it.

http://bambuser.com/channel/revellion/broadcast/1440695

As a comparison this bug is not visible on my desktop workstations double
monitor setup. where the bug is not happening. only difference in these systems
are..

Desktop Workstation: ATI Radeon HD3870 AGP (rv615), 32Bit ArchLinux
Laptop: ATI Mobility Radeon X1400 PCIE (rv515), 64Bit ArchLinux

Both using the drm-latest-testing kernel at 2.6.38-rc5. but the bug is also
noticed on stock 2.6.37.1 kernel for the laptop.

So something that is related to the r500 GPU is bugging the monitors. where as
it works just fine on the r600 based card in the Desktop.

-- 
Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.