hybrid-graphics-linux team mailing list archive

[Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>]

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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