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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.
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.