I can not find /sys/kernel/debug/vgaswitcheroo/switch Ubuntu 11.10

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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?

Please provide more clarity to your question. – Nitin Venkatesh Oct 16 '11 at 16:29 — Nitin Venkatesh, Oct 16 '11 at 16:29

score 1 · Answer 1 · edited Oct 17 '11 at 01:11

1

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

edited Oct 17 '11 at 01:11

Jorge Castro

71,754

answered Oct 16 '11 at 18:28

razor

31

I can not find /sys/kernel/debug/vgaswitcheroo/switch Ubuntu 11.10

1 Answers1