[Bug 305148] New: Setting the resolution of the screens in multiscreen environment will cause black screen.

[Yichao Zhou]

https://bugs.kde.org/show_bug.cgi?id=305148

            Bug ID: 305148
          Severity: normal
           Version: unspecified
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: Setting the resolution of the screens in multiscreen
                    environment will cause black screen.
    Classification: Unclassified
                OS: Linux
          Reporter: broken.zhou at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: unknown

I'm using AMD/INTEL card with xf86-video-intel/amd with newest archlinux.(kde
4.9)

This is my laptop. And I use one additional screen.

I don't know how to choose the Product and Component.


If I open system setting->Display and monitor, I can see two screen: LVDS1 and
HDMI1.

The standard resolution of LVDS1 is 1366x768, but now it is 1024*768.
The standard resolution of HDMI is 1920x1080, but now it is also 1024*768.

I want to close LVDS1 and set the resolution of HDMI correctly.  So I disable
the size of LVDS1 and set the HDMI.  After  I apply my setting, my HDMI output
will become black.

I don't know the main point of this problem.  Maybe someone could tell me how
to test it further?  Thanks.

Reproducible: Always

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