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Freeze when lid is closed or when screen locks from inacivity, Catalyst 13.12, Ubuntu

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  • Freeze when lid is closed or when screen locks from inacivity, Catalyst 13.12, Ubuntu

    Whenever I select the iGPU, then after a reboot, I get my screen freezing (moveable cursor, but nothing clickable etc).
    On Ubuntu 13.10, switching to the tty and back resolves this, but on 12.04 LTS a restart is needed.

    This does not happen when the dGPU is active selection.

    Is this a known bug, and anyone any idea any way to fix?

    I've tried a host of things, from DPMS Off in my xorg.conf, to aticonfig ---services-off.

    I'm using AMD Catalyst 13.12. There don't seem to be any obvious errors about the freeze in the logs.
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