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Possible Duplicate:
I can not find /sys/kernel/debug/vgaswitcheroo/switch

Linux segavax-UL80VT 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

where can we find?

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  • Please provide more clarity to your question. Oct 16, 2011 at 16:29

1 Answer 1

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Either you have enabled modeset in your kernel option in grub while booting or you are not root. If you have not made any changes to boot option then try

sudo -i 
cat /sys/kernel/debug/vgaswitcheroo/switch

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