[Bug 34330] New: corrupted graphics and crashes when using two monitor setup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34330

           Summary: corrupted graphics and crashes when using two monitor
                    setup
           Product: xorg
           Version: 7.6
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: sven.koehler at gmail.com
         QAContact: xorg-team at lists.x.org


Hi,

I'm using xorg-server 1.9.4 together with xf86-video-ati-6.14.0 on my IBM
ThinkPad T60p (ATI Technologies Inc M56GL [Mobility FireGL V5250).

When using the internal LCD (1400x1050) and an external LCD (connected via VGA,
1680x1050), then I experince the following:

- occosional flickering
- certain applications almost deterministically cause, that parts of the first
screen appear on the second screen
- a few minutes after this graphics corruption, the X-server locks up, or
crashes.
- dmesg shows [drm:drm_mode_getfb] *ERROR* invalid framebuffer id

The system remains kind-of unstable, even after an X-server restart. A warm
reboot is needed to have a stable system again.

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