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[Launchpad Bug Tracker <1381013@xxxxxxxxxxxxxxxxxx>]

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Gents,

I've got a dual gpu(amd r7 250x) rig with 4 monitors attached to the
first one and 2 monitors attached to the second gpu. All monitors have
the same resolution 1920x1080. I've installed Kubuntu 14.10 beta2 and
have 5 of the monitors working just fine under single Screen0, so I can
drag windows across monitors. All monitors were identified correctly by
xrandr, but for some reason the 6th monitor fails to start.

I can see an error message in /var/log/Xorg.0.log

[   295.327] Cannot do multiple crtcs without X server dirty tracking 2 interface
[   295.327] (EE) RADEON(G0): failed to set mode: No space left on device(II) RADEON(0): EDID vendor "ACI", prod id 10228

Please check attached xrandr.out, lspci.out and Xorg.0.log.

Cheers,
Sergey

** Affects: xorg (Ubuntu)
     Importance: Low
         Status: Incomplete

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second monitor attached to second gpu fails to start
https://bugs.launchpad.net/bugs/1381013
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