Bug 63484

Summary:	xrandr fails to change virtual-screen size when required
Product:	xorg	Reporter:	Eric S. Raymond <esr>
Component:	App/xrandr	Assignee:	Keith Packard <keithp>
Status:	RESOLVED MOVED	QA Contact:	Xorg Project Team <xorg-team>
Severity:	normal
Priority:	medium	CC:	xorg-driver-ati
Version:	unspecified
Hardware:	All
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Eric S. Raymond 2013-04-12 17:48:57 UTC

Encountered when configuring a Radeon HD7750 dual-head card to drive two Auria 2650x1440 displays, but the problem is clearly more generic than that.

These monitors began in Same mode. xrandr refused a command to map them side-by-side, explaining that virtual size 5120x1440 was required but the virtual size in place was 2650x2650.

Working around this required writing a custom xorg.conf.  And I have to ask: why?

Why doesn't xrandr simply compute the bounding box for any specified layout and set the virtual screen size accordingly?  Why require this pointless ceremony of manual setting?

Comment 1 Alex Deucher 2013-07-13 15:48:46 UTC

Please attach your dmesg output and xorg log and config files.

Comment 2 GitLab Migration User 2018-08-10 20:33:57 UTC

-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/xorg/app/xrandr/issues/17.

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