nvidia display wakeup problems

Gary Allen Garibaldi gary_garibaldi at sbcglobal.net
Tue Jul 10 04:53:58 UTC 2007


David Vincent wrote:
> Gary Allen Garibaldi wrote:
>> Has anybody seen this behavior or know how to try troubleshooting it?
>>
>> I installed nvidia-glx driver on 7.04 using synaptic and modified my
>> xorg.conf to use nvidia on my Toshiba Porgege S100. Everything seems to
>> work okay except with the display goes into sleep mode. I have to use
>> Control - Alt F2-F5 then control - alt F7 to get it to wake up. When I
>> connect my external monitor to the laptop the mouse and any key will
>> wake up that monitor. I've search google without any real results, I've
>> read the nvidia web page help file and man xorg.conf which is way above
>> my knowledge of understanding. I've even tried upgrading to
>> nvidia-glx-new but that seems to work but will not fully place the
>> display in a black screen sleep mode (back light doesn't turn off but
>> will turn the display gray), so switch back to the nvidia-glx.
>>
>> Any help or suggestions would be greatly appreciated.
>>   
> 
> In the "Device" section of your /etc/X11/xorg.conf try adding the line:
> 
>     Option         "NvAGP" "1"
> 
> That will force the NVidia driver to use the NVidia NvAGP settings.  As 
> per the readme:
> 
> "Sometimes chipsets lose their AGP configuration during suspend, and may 
> cause corruption on the bus upon resume. The AGP driver is required to 
> save and restore relevant register state on such systems; NVIDIA's NvAGP 
> is notified of power management events and ensures its configuration is 
> kept intact across suspend/resume cycles."
> 
> http://us.download.nvidia.com/XFree86/Linux-x86/1.0-9639/README/README.txt
> 
> This worked for me.  You will have to be root to edit that file so 
> either drop to a terminal and enter "sudo gedit /etc/X11/xorg.conf" or 
> hit ALT+F2 and enter "gksu gedit /etc/X11/xorg.conf", then enter your 
> password and edit the file.  Once you're done and have saved your change 
> you'll have to hit CTRL+ALT+Backspace to restart the X Server or reboot 
> so the settings get picked up.   Then test suspend again and report back 
> here.
> 
> -d
> 
David

Thank you for the speedy reply. I just tried the Option   "NvAGP" "1"
without any luck. Still the same problem with the display blanks the
only way to get it back is pressing any key for Ctrl-Alt F2 - F5 and
then Ctrl-alt F7.

Gary




More information about the ubuntu-users mailing list