Once you mount the debugfs, the /sys/vgaswitcheroo/switch file will appear when you load the nouveau driver (the vga-switcheroo module will enable then, detect the DSM method and will handle acpi events from the nvidia card). Try this: https://wiki.archlinux.org/index.php/Bumblebee#Power_Switching_Using_Vga-switcheroo
-- Joaquín Ignacio Aramendía <samsa...@gmail.com> El sáb, 16-07-2011 a las 07:34 -0800, Leonardo Morelli escribió: > Tried mounting but mtab says it is already mounted, in fact, I can see many > directories under /sys/kernel/debug except for vgaswitcheroo... > > > > -----Original Message----- > > From: samsa...@gmail.com > > Sent: Sat, 16 Jul 2011 00:56:16 -0300 > > To: hybrid-graphics-linux@lists.launchpad.net > > Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: 10de:0a75 > > > > You must mount the debugfs filesystem: > > # mount -t debugfs none /sys/kernel/debug/ > > > > To mount no every boot, add this line to the file "/etc/fstab": > > none /sys/kernel/debug debugfs defaults 0 0 > > > > -- > > Joaquín Ignacio Aramendía <samsa...@gmail.com> > > > > El vie, 15-07-2011 a las 19:24 -0800, Leonardo Morelli escribió: > >> After reading https://help.ubuntu.com/community/HybridGraphics, > >> the vga_switcheroo thing is enabled: > >> > >> $ grep -i switcheroo /boot/config-2.6.35... > >> CONFIG_VGA_SWITCHEROO=y > >> > >> but the file /sys/kernel/debug/vgaswitcheroo/switch doesn't exist, nor > >> even the dir vgaswitcheroo... > >> (I'm running Kubuntu 10.10) > >> > >> Do I need to do something else to make it appear? > >> > >> > >>> -----Original Message----- > >>> From: samsa...@gmail.com > >>> Sent: Fri, 15 Jul 2011 23:40:51 -0300 > >>> To: leo...@inbox.com > >>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: > >>> 10de:0a75 > >>> > >>> This "error" is spreading. Is related to the methods called to turn > >>> on/off the card and the kernel being able to recognize the card again > >>> once turned on. This means that either the card was not properly shut > >>> down/turned on, or the kernel does not recognize it properly. Try the > >>> vga-switcheroo switch, it is known to work on some machines with that > >>> problem. > >>> -- > >>> Joaquín Ignacio Aramendía <samsa...@gmail.com> > >>> > >>> El vie, 15-07-2011 a las 11:48 -0800, Leonardo Morelli escribió: > >>>> Well, after installing Bumblebee and running optirun glxgears, I got > >>>> the > >>>> "FATAL: Error inserting nvidia_current" :s > >>>> The acpi calls (on and off) are working. > >>>> > >>>> The thing is that after checking the /var/log/messages it says: > >>>> > >>>> NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0a75) installed in > >>>> this > >>>> system is not supported by the 275.09.07 NVIDIA Linux graphics driver > >>>> release. > >>>> > >>>> but... > >>>> > >>>> when I see the /usr/share/doc/nvidia-current/README.txt.gz, this line > >>>> appears at the APPENDIX A: > >>>> GeForce 310M 0x0A75 C > >>>> > >>>> so, apparently, ID 0x0a75 is supported... > >>>> > >>>> Should I file a bug report? > >>>> > >>>> > >>>> Leo > >>>> > > ____________________________________________________________ > TRY FREE IM TOOLPACK at http://www.imtoolpack.com/default.aspx?rc=if5 > Capture screenshots, upload images, edit and send them to your friends > through IMs, post on Twitter®, Facebook®, MySpace™, LinkedIn® – FAST! > > _______________________________________________ > 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
