hybrid-graphics-linux team mailing list archive

[Leonardo Morelli <leonrm@xxxxxxxxx>]

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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