hybrid-graphics-linux team mailing list archive

[Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>]

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 <samsagax@xxxxxxxxx>

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: samsagax@xxxxxxxxx
> > Sent: Sat, 16 Jul 2011 00:56:16 -0300
> > To: hybrid-graphics-linux@xxxxxxxxxxxxxxxxxxx
> > 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 <samsagax@xxxxxxxxx>
> > 
> > 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: samsagax@xxxxxxxxx
> >>> Sent: Fri, 15 Jul 2011 23:40:51 -0300
> >>> To: leonrm@xxxxxxxxx
> >>> 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 <samsagax@xxxxxxxxx>
> >>> 
> >>> 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
> >>>>
> 
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