dual video cards onboard intel and nvidia pcix

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dual video cards onboard intel and nvidia pcix

Postby themonkeymixer on Tue Jan 08, 2013 3:58 am

i have an intel onboard and an nvidia with dual head using linux mint 14 x64

when I try and activate the onboard card the system crashes quite epically

im lost after about 5hrs trying to figure this out

I have tried installing the nvidia drivers but then the third onitor does nothon on bootup

when this is removed the system shows boot up messages on the two monitors on the nvidia and the boot up animation on the third

as soon as the login screen for miint loads the onboard monitor shuts off



so i have

Code: Select all
uname -a
Linux travis-desktop 3.5.0-21-generic #32-Ubuntu SMP Tue Dec 11 18:51:59 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux



so i try and set the intel card active with
Code: Select all
xrandr --output VGA1 --mode 1280x1024 --rate 75


here is sudo lshw
http://pastebin.com/2pX22pF2

the system crashes and the only access i have is via ssh
here is dmesg
http://pastebin.com/TekQTXjf
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Re: dual video cards onboard intel and nvidia pcix

Postby AlbertP on Tue Jan 08, 2013 7:11 am

You can't use multi-GPU with xrandr. It could maybe be done by writing your own layout in xorg.conf but then you won't have 3D acceleration anyway when using both GPUs for an extended desktop.
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Re: dual video cards onboard intel and nvidia pcix

Postby themonkeymixer on Tue Jan 08, 2013 12:04 pm

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Re: dual video cards onboard intel and nvidia pcix

Postby AlbertP on Tue Jan 08, 2013 12:08 pm

I don't know if that will work with the latest NVIDIA versions that support xrandr. At least in the past with Mint 13's default NVIDIA driver, this certainly worked. You can use NVIDIA X Server Settings to set up dual- or triple-monitor then.

Also, if you're not using the Intel graphics anymore then please disable iGPU Multi Monitor in your BIOS.
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