[Bug 37922] login screen corrupted on big display

[dozer]

Public bug reported:

I've just installed Kubuntu dapper. My box is 2x amd64 dual core, 2x
nvidia 4500 gfx cards and a 30" dell monitor. I'm running the nvidia
drivers. When running in 2560x1600 mode, the kubuntu login screen is
corrupted. The upper left rectangle is rendered correctly, the rest
looks like raw video memory. I am guessing that the rectangle that's
rendered correctly is 1600x1200 pixles. The mouse can move anywhere on
the screen without problems.

** Affects: Ubuntu
     Importance: Medium
     Assignee: Kubuntu Team
         Status: Unconfirmed

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login screen corrupted on big display
https://launchpad.net/bugs/37922