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bunda

Member

Registered: 2017-11-02

Posts: 6

Multihead, Nvidia, easy (select only 2)

Hi,
I spent some time on third attemp of getting dual monitor with NVIDIA + Bumblebee.
The best I get: only external monitor with low perfomance.
So my concern, s that there is no good manual ("good" - fresh, working, solution, with transparent steps)
I'm not new to Linux, but still struggling (offcourse it can be just mine specific case)
All this guides: nvidia, bumblebee, multihead, bumbleebee_repo don't give any solid picture.
So, I will appreciate any help.

My setup:
Thinkpad t420 IntelHD300 + NVIDIA Quadro NVS 4200M (IntelHd internal display, Nvidia wired do DisplayPort)
xorg.conf
xorg.conf.nvidia
bumblebee.conf

Currently only external monitor  turns off, when cable is plugged.

Last edited by bunda (2017-11-02 11:35:42)

lo1

Member

Registered: 2017-09-25

Posts: 584

Re: Multihead, Nvidia, easy (select only 2)

If by "manual" you mean the wiki, you'll find what you need. People spent lots of time to make it what it is today. And i'm not getting what you need: you want to duplicate your monitor or you want a second X Screen? Note that the two requires different procedures, but I'm assuming you want the second option.
Also, i'm seeing

Option "AccelMethod"  "None"

under Device, on xorg.conf. You probably wouldn't want that for the sake of performance. I'm not seeing either a Monitor section, which would be needed when forcing a dual monitor setup.

Be more specific, posting some configuration files (saying you read x and y without providing what you actually tried) and waiting for people to feed you magic won't get you anywhere.

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bunda

Member

Registered: 2017-11-02

Posts: 6

Re: Multihead, Nvidia, easy (select only 2)

I need, 2 monitors working simultaniously - laptop screen, and on top of it external screen.

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 25,435

Re: Multihead, Nvidia, easy (select only 2)

That xorg.conf is a mess of conflicting information remove it. Then follow https://wiki.archlinux.org/index.php/Bu … VIDIA_chip if you run into problems, post command output and potential configuration changes you did.

lo1

Member

Registered: 2017-09-25

Posts: 584

Re: Multihead, Nvidia, easy (select only 2)

Have you carefully read xrandr and multiple monitors with NVIDIA?
And probably you'd need to dump every configuration you tried before, since it is not working and would probably pollute every effort of configuring it properly.

Edit: ninja'ed by V1del

Last edited by lo1 (2017-11-02 11:42:29)

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bunda

Member

Registered: 2017-11-02

Posts: 6

Re: Multihead, Nvidia, easy (select only 2)

deleted xorg.conf
removed option "AccelMethod",

now I'm getting:

$ intel-virtual-output
 No VIRTUAL outputs on ":0".

updated bumblebee's xorg.conf.nvidia:

Section "ServerLayout"
    Identifier  "Layout0"
    Option      "AutoAddDevices" "true"
    Option      "AutoAddGPU" "false"
EndSection

Section "Device"
    Identifier  "DiscreteNvidia"
    Driver      "nvidia"
    VendorName  "NVIDIA Corporation"

    # BusID "PCI:01:00:0"

    Option "ProbeAllGpus" "false"

    Option "NoLogo" "true"
    Option "UseEDID" "true"
    # Option "UseDisplayDevice" "none"
    Option "AllowEmptyInitialConfiguration"
EndSection

Last edited by bunda (2017-11-02 12:26:05)

lo1

Member

Registered: 2017-09-25

Posts: 584

Re: Multihead, Nvidia, easy (select only 2)

And probably you'd need to dump every configuration you tried before, since it is not working and would probably pollute every effort of configuring it properly.

... including xorg.conf.nvidia. After that, have you restarted the x server before attempting to detect another monitor? If so, were you using your laptop screen while attempting to detect the external monitor?
And AccelMethod should be set, accordingly to your graphic card + installed drivers to avoid incompatibility, not deleted as if you don't need it.
Once again, please read carefully the Wiki or you'll end up stumbling on meaningless instructions which may not belong to your case.

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