Hi, This is a classic mistake, see http://askubuntu.com/q/49009/6969.
Regards, Lekensteyn On Sat, Oct 22, 2011 at 10:21 PM, Yuriy Yarovoy <yuriy.yaro...@gmail.com>wrote: > ** > Hi, guys! > > I've tried to use both methods (acpi_call and byo-switcheroo) on my laptop > with Ubuntu 11.10, but when I call > > echo OFF > /sys/kernel/debug/vgaswitcheroo/switch > > command in terminal I get this error: > > bash: /sys/kernel/debug/vgaswitcheroo/switch: Permission denied > > What is the problem? Why the command doesn't work? > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : hybrid-graphics-linux@lists.launchpad.net > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp > >
_______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : hybrid-graphics-linux@lists.launchpad.net Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp