[ltp] FIXED! Suspend/resume with T61p and nVidia Quadro FX 570M
Grant Williamson
linux-thinkpad@linux-thinkpad.org
Wed, 02 Apr 2008 15:52:18 +0200
David,
are you talking about suspend to ram only or suspend to disk?
David A. Desrosiers wrote:
>
> After spending a couple of weeks testing thousands of different
> options and configurations on my T61p to try to find out why it
> wouldn't suspend/resume, I managed to come up with a working
> configuration.
>
> The side-effect of this is that now X no longer randomly crashes on me
> in the middle of whatever I'm doing (a known issue with nvidia_drv.so)
> and now suspend and resume works with the nVidia Quadro FX 570M card
> in my T61p.
>
> In order to stop X11 from crashing, I had to tell the nVidia driver to
> disable 'glx' and 'dri' in Section "Module" of my xorg.conf. That
> looks like this:
>
> Section "Module"
> Load "freetype"
> # snip other loaded modules
>
> Disable "glx"
> Disable "dri"
> Disable "fb"
> EndSection
>
> Lower down under Section "Device", I have the following:
>
> Section "Device"
> Identifier "Configured Video Device"
> Driver "nvidia"
> # Driver "nv"
> Option "NvAGP" "4"
>
> Option "MultiGPU" "AA"
> Option "TripleBuffer" "true"
>
> BusID "PCI:1:0:0"
> EndSection
>
> The amount of configurable options for nVidia cards is staggering (77
> separate Option params with various number of values and effects on
> the overall performance of the system). I tried nearly all of them
> with positive and negative effects. Then I started narrowing down the
> least amount of options that had a direct affect on my crashes and
> suspend/resume issue. That is represented in the above snippets.
>
> I can no longer use my fancy glx screensavers, but I don't care. I can
> now suspend and resume, and X doesn't crash... (so far).
>
> I'm using v169.12 of the x86_64 driver from nVidia directly, if anyone
> is interested in testing/duplicating my results.
>
> I'll post back if I have any updates on this.