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Re: pm-hibernate resume fails with spinlock BUG ?



Of course.

First, I assume you are trying to get the nvidia driving working with 
suspend/hibernate ?

If so, the first thing you need to do is use nvidia agp module, instead of 
agpgart. To do this you need to

1. boot with the kernel option agp=off (FC builds the agpgart module into the 
kernel)
2. add 

     Option      "NvAgp" "1"

to your xorg.conf

Once you have this, check you are using the correct agp module with

[root localhost X11]# cat /proc/driver/nvidia/agp/status
Status:          Enabled
Driver:          NVIDIA
AGP Rate:        4x
Fast Writes:     Disabled
SBA:             Disabled

The driver should say NVIDIA

Once you have done this, you system should suspend (at least, for me it did). 
However, you may have problems on resume in that the screen stays blank. A 
work around to this, suggested to me via the nvidia forum was to 
edit /etc/pm/functions-nvidia to comment out the call to /usr/sbin/vbetool 
post in resume_video()

resume_video()
{
(
###     /usr/sbin/vbetool post
        /usr/sbin/vbetool dpms on
        /usr/sbin/vbetool vbestate restore < /var/run/vbestate
) >/dev/null 2>&1
}

For me, this was enough. However, one thing which does seem clear about 
suspend is everyone has different experiences. I found the nvidia forum quite 
useful. i.e. go here

http://www.nvnews.net/vbulletin/forumdisplay.php?s=&forumid=14

and search the forums for "suspend". This gives a few useful threads to read 
(maybe you already have...)

Chris



On Friday 12 May 2006 8:43 pm, Eugen Leitl wrote:
> On Fri, May 12, 2006 at 08:34:17PM +0100, Chris Jones wrote:
> > I've been using pm-hibernate on my laptop really rather successfully for
> > a while now - It must have been through 5-10 cycles successfully since
> > the last reboot, and I cannot recall an unsuccessfully hibernation (after
> > fixing nvidia related problems).
>
> Can you tell us how you fixed those nvidia-related problems?
>
> I've been fighting with both pm-hibernate and pm-suspend
> today on my desktop (Asus K8V SE Deluxe), unable to make it work.
> I only get a black screen, so I'm suspecting nvidia misinitialization.


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