| Summary: | Strange window positioning and root window size with multihead and KMS | ||||||||||||||||
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| Product: | xorg | Reporter: | Bob Ham <rah> | ||||||||||||||
| Component: | Driver/Radeon | Assignee: | xf86-video-ati maintainers <xorg-driver-ati> | ||||||||||||||
| Status: | RESOLVED NOTOURBUG | QA Contact: | Xorg Project Team <xorg-team> | ||||||||||||||
| Severity: | critical | ||||||||||||||||
| Priority: | medium | ||||||||||||||||
| Version: | git | ||||||||||||||||
| Hardware: | x86-64 (AMD64) | ||||||||||||||||
| OS: | Linux (All) | ||||||||||||||||
| Whiteboard: | |||||||||||||||||
| i915 platform: | i915 features: | ||||||||||||||||
| Attachments: |
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Created attachment 29393 [details]
Screenshot of incorrect root window
Created attachment 29395 [details]
Xorg log
Created attachment 29396 [details]
Xorg configuration file
Please attach the output of xrandr --verbose when the problem occurs. dmesg output might also be interesting. Created attachment 29560 [details]
Output of xrandr --verbose
Created attachment 29561 [details]
Output of dmesg
Seems to be an issue with gnome-settings-daemon's xrandr plugin as these problems go away when manually setting up displays using the command-line xrandr program. |
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Created attachment 29392 [details] Photo of monitors As shown by comparison of the attached photos, there are problems with the positioning of windows and with various program's concept of the root window. Firstly, the window manager (metacity) maximises windows to the full width of the larger monitor, but not the full height. The height is that of the smaller monitor. The window manager also allows for the presence of a GNOME panel at the bottom of the screen. The panel, however, is correctly placed, below where the window manager thinks it is. Secondly, the root window is misunderstood by both GNOME's desktop background settings and the import command from imagemagick. Both programs believe that the desktop is the size of the two of the smaller monitors, rather than the smaller monitor plus the larger one. The import command only imports part of the larger display. The GNOME desktop background start to tile on the larger monitor as if it were the size of the smaller monitor (which is odd as well because you wouldn't expect it to bother tiling the background image.) This an r7xx using KMS DRM from drm-next and git master for everything else.