[ale] Multiple monitors on Wheezy
Edward Holcroft
eholcroft at mkainc.com
Wed Mar 12 08:59:02 EDT 2014
Running as root made no difference so I modified xorg.conf with Jim's
suggestion. Nothing. That breaks X. Also tried
Option "metamodes" "CRT-0 nvidia-auto-select +0+0"
just in case it wanted to be at position 0 on the second card.
Nothing.
ed
On Tue, Mar 11, 2014 at 8:40 PM, Edward Holcroft <eholcroft at mkainc.com>wrote:
> Good point Damon. I was running it as a regular user. Although I am able
> to effect all kinds of other changes to my display setup as non-root, I'll
> try running it as root before changing the line Jim suggested. It's on my
> office machine, so will report back tomorrow.
>
> ed
>
>
> On Tue, Mar 11, 2014 at 5:18 PM, Damon L. Chesser <damon at damtek.com>wrote:
>
>> On 03/11/2014 05:02 PM, Edward Holcroft wrote:
>>
>> Aside from Jim's advice, are you running the tool as root?
>>
>>
>> I currently have two 23" monitors on my Wheezy desktop box. Now I've
>>> added a second video card (identical to the first) so that I can have a
>>> third and maybe a fourth monitor if needed. I installed the Nvidia drivers
>>> using these instructions:
>>>
>>> https://wiki.debian.org/NvidiaGraphicsDrivers
>>>
>>> If I use the Nvidia GUI tool to enable the third monitor, it seems to
>>> work, and even changes the xorg file, but the settings don't stick and the
>>> file reverts to dual monitor on a single card.
>>>
>>> $ lspci | grep GeForce
>>> 01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce
>>> 8400 GS] (rev a2)
>>> 06:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce
>>> 8400 GS] (rev a2)
>>>
>>> *This first config shows the settings with 2 monitors working perfectly
>>> on 1 video card:*
>>>
>>>
>>> # nvidia-settings: X configuration file generated by nvidia-settings
>>> # nvidia-settings: version 304.88 (pbuilder at cake) Wed Apr 3
>>> 08:58:25 UTC 2013
>>>
>>> Section "ServerLayout"
>>> Identifier "Layout0"
>>> Screen 0 "Screen0" 0 0
>>> InputDevice "Keyboard0" "CoreKeyboard"
>>> InputDevice "Mouse0" "CorePointer"
>>> Option "Xinerama" "0"
>>> EndSection
>>>
>>> Section "Files"
>>> EndSection
>>>
>>> Section "InputDevice"
>>> # generated from default
>>> Identifier "Mouse0"
>>> Driver "mouse"
>>> Option "Protocol" "auto"
>>> Option "Device" "/dev/psaux"
>>> Option "Emulate3Buttons" "no"
>>> Option "ZAxisMapping" "4 5"
>>> EndSection
>>>
>>> Section "InputDevice"
>>> # generated from default
>>> Identifier "Keyboard0"
>>> Driver "kbd"
>>> EndSection
>>>
>>> Section "Monitor"
>>> # HorizSync source: edid, VertRefresh source: edid
>>> Identifier "Monitor0"
>>> VendorName "Unknown"
>>> ModelName "Acer AL2216W"
>>> HorizSync 30.0 - 82.0
>>> VertRefresh 56.0 - 76.0
>>> Option "DPMS"
>>> EndSection
>>>
>>> Section "Device"
>>> Identifier "Device0"
>>> Driver "nvidia"
>>> VendorName "NVIDIA Corporation"
>>> BoardName "GeForce 8400GS"
>>> BusID "PCI:1:0:0"
>>> EndSection
>>>
>>> Section "Screen"
>>> Identifier "Screen0"
>>> Device "Device0"
>>> Monitor "Monitor0"
>>> DefaultDepth 24
>>> Option "Stereo" "0"
>>> Option "nvidiaXineramaInfoOrder" "CRT-0"
>>> Option "metamodes" "CRT-0: nvidia-auto-select +0+0, CRT-1:
>>> nvidia-auto-select +1680+0"
>>> SubSection "Display"
>>> Depth 24
>>> EndSubSection
>>> EndSection
>>>
>>> *This second config shows what the file looks like after enabling the
>>> second card using the Nvidia S server setting tool:*
>>>
>>>
>>> # nvidia-settings: X configuration file generated by nvidia-settings
>>> # nvidia-settings: version 304.88 (pbuilder at cake) Wed Apr 3
>>> 08:58:25 UTC 2013
>>>
>>> Section "ServerLayout"
>>> Identifier "Layout0"
>>> Screen 0 "Screen0" 0 0
>>> Screen 1 "Screen1" RightOf "Screen0"
>>> InputDevice "Keyboard0" "CoreKeyboard"
>>> InputDevice "Mouse0" "CorePointer"
>>> Option "Xinerama" "0"
>>> EndSection
>>>
>>> Section "Files"
>>> EndSection
>>>
>>> Section "InputDevice"
>>> # generated from default
>>> Identifier "Mouse0"
>>> Driver "mouse"
>>> Option "Protocol" "auto"
>>> Option "Device" "/dev/psaux"
>>> Option "Emulate3Buttons" "no"
>>> Option "ZAxisMapping" "4 5"
>>> EndSection
>>>
>>> Section "InputDevice"
>>> # generated from default
>>> Identifier "Keyboard0"
>>> Driver "kbd"
>>> EndSection
>>>
>>> Section "Monitor"
>>> # HorizSync source: edid, VertRefresh source: edid
>>> Identifier "Monitor0"
>>> VendorName "Unknown"
>>> ModelName "Acer AL2216W"
>>> HorizSync 30.0 - 82.0
>>> VertRefresh 56.0 - 76.0
>>> Option "DPMS"
>>> EndSection
>>>
>>> Section "Monitor"
>>> # HorizSync source: edid, VertRefresh source: edid
>>> Identifier "Monitor1"
>>> VendorName "Unknown"
>>> ModelName "Acer V233H"
>>> HorizSync 31.0 - 83.0
>>> VertRefresh 56.0 - 76.0
>>> Option "DPMS"
>>> EndSection
>>>
>>> Section "Device"
>>> Identifier "Device0"
>>> Driver "nvidia"
>>> VendorName "NVIDIA Corporation"
>>> BoardName "GeForce 8400GS"
>>> BusID "PCI:1:0:0"
>>> EndSection
>>>
>>> Section "Device"
>>> Identifier "Device1"
>>> Driver "nvidia"
>>> VendorName "NVIDIA Corporation"
>>> BoardName "GeForce 8400GS"
>>> BusID "PCI:6:0:0"
>>> EndSection
>>>
>>> Section "Screen"
>>> Identifier "Screen0"
>>> Device "Device0"
>>> Monitor "Monitor0"
>>> DefaultDepth 24
>>> Option "Stereo" "0"
>>> Option "nvidiaXineramaInfoOrder" "CRT-0"
>>> Option "metamodes" "CRT-0: nvidia-auto-select +0+0, CRT-1:
>>> nvidia-auto-select +1680+0"
>>> SubSection "Display"
>>> Depth 24
>>> EndSubSection
>>> EndSection
>>>
>>> Section "Screen"
>>> Identifier "Screen1"
>>> Device "Device1"
>>> Monitor "Monitor1"
>>> DefaultDepth 24
>>> Option "Stereo" "0"
>>> Option "metamodes" "nvidia-auto-select +0+0"
>>> SubSection "Display"
>>> Depth 24
>>> EndSubSection
>>> EndSection
>>>
>>>
>>> However, the third monitor never displays anything even though it's
>>> clearly being detected. I've tried both outputs on the new card. If I exit
>>> our of the Nvidia tool, the settings are not saved and next time I open it
>>> I have to detect the monitor again. I've tried with and without xinerama.
>>>
>>> Any ideas?
>>>
>>> cheers
>>> ed
>>>
>>> --
>>> Edward Holcroft | Madsen Kneppers & Associates Inc.
>>> 11695 Johns Creek Parkway, Suite 250 | Johns Creek, GA 30097
>>> O (770) 446-9606 <tel:%28770%29%20446-9606> | M (770) 630-0949<tel:%28770%29%20630-0949>
>>>
>>>
>>> MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc.
>>> WARNING/CONFIDENTIALITY NOTICE: This message may be confidential and/or
>>> privileged. If you are not the intended recipient, please notify the sender
>>> immediately then delete it - you should not copy or use it for any purpose
>>> or disclose its content to any other person. Internet communications are
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>>> Any unauthorized use or interception of this e-mail is illegal.
>>>
>>>
>>> _______________________________________________
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>>
>>
>> --
>> Damon L. Chesser
>> damon at damtek.com
>> http://www.linkedin.com/in/dchesser
>>
>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>
>
>
> --
> Edward Holcroft | Madsen Kneppers & Associates Inc.
> 11695 Johns Creek Parkway, Suite 250 | Johns Creek, GA 30097
> O (770) 446-9606 | M (770) 630-0949
>
--
Edward Holcroft | Madsen Kneppers & Associates Inc.
11695 Johns Creek Parkway, Suite 250 | Johns Creek, GA 30097
O (770) 446-9606 | M (770) 630-0949
--
MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc. WARNING/CONFIDENTIALITY
NOTICE: This message may be confidential and/or privileged. If you are not
the intended recipient, please notify the sender immediately then delete it
- you should not copy or use it for any purpose or disclose its content to
any other person. Internet communications are not secure. You should scan
this message and any attachments for viruses. Any unauthorized use or
interception of this e-mail is illegal.
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