On 01/08/2012 05:57 PM, Michael Biebl wrote:
> So you are using a integrated SandyBridge graphics card, not the
NVIDIA Optimus hardware?
Yes, I don't have a dedicated GPU on this laptop.
> Are you using KMS? What do you get when running "cat /proc/fb"?
> If not, you should be using KMS.
0 inteldrmfb
Also the kernel has: CONFIG_DRM_I915_KMS=y
> With KMS no quirks are needed and a simple
> echo "mem"> /sys/power/state
> (as root) is sufficient.
Works perfectly without closing the lid.
> What happens, if you do that?
The laptop suspends and resumes just fine. It seems that the problem
only occurs when closing the lid.
Thanks,
Felicitus
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