sony-vaio-z-series team mailing list archive

[Adam Hill <sidepipeuk@xxxxxxxxx>]

> However: resume from suspend mostly does not work (leaves the screen
> black).

	I would guess that means that more changes are required to make this 
work. The problem here is that the kernel which Jesse from Intel has that 
seems to work when resumed is a little different to this one. When I get a 
chance I'll have another look to see if I can work out what is needed.

Adam.

 
> I am about to try Ubuntu 10.10 next with this kernel (2.6.36).
> 
> Philippe
> 
> > 	The problem is not with the kernel but with the NVidia and Nouveau
> > 
> > drivers ( or at least that is how it appears. ) The problem is that in
> > both modes, both cards appear on the bus, and at boot time the BIOS sets
> > up the Intel card REGARDLESS of the mode ( well, without booting the old
> > kernel or setting static switching using the BIOS hack. ) So, when the
> > NVidia driver tries to load, it assumes that it already has its
> > resources mapped but in fact it doesn't - only the Intel card has been
> > mapped in. So, you STILL have to boot the old kernel to use the NVidia
> > card so that the Intel one is completely disabled and not mapped at boot
> > time.
> > 
> > > > glxinfo | grep ender
> > > 
> > > This does not work, since I have no working glx module ("extension GLX
> > > missing").
> > 	
> > 	I think that the issue here may be that the NVidia driver also has its
> > 
> > own mesa/glx libraries. I think that to get GLX working with Intel you
> > will have to re-install the Ubuntu ones, and then again to get the
> > NVidia working install the NVidia ones again. In my files directory is
> > an rc.local file which in theory could be re-written to copy the
> > appropriate files when needed... it should be fairly easy to do but
> > unfortunately I don't have the time at the mo... if I get some time in
> > the near future I'll give it a go.
> > 
> > > > 	That would seem a little odd if you say you get the desktop - the
> > > > 	desktop
> > > > 
> > > > would seem to constitute a "screen" ! For speed mode you should not
> > > > need an xorg.conf file at all - if you have one move it out of the
> > > > way.
> > > 
> > > There must be something wrong with my system configuration. I just
> > > started in Speed mode a few times. X loads the i915 driver (lsmod shows
> > > i915 loaded), although I blacklisted that, my xorg.conf specifies
> > > "nvidia". X also tries to load the NVIDIA glx module. Excerpt from my
> > 	
> > > Xorg.0.log in Speed mode:
> > 	As above, in "speed" mode both the Intel and NVidia cards are active.
> > 	The
> > 
> > NVidia driver needs to realise that! Also, in theory we should probably
> > patch the i915 driver to not load in speed mode, but this would be a
> > very Vaio-Z specific patch unless it could be fitted in with the vga
> > switcheroo code.
> > 
> > > I can currently only use my Z11 without problems if I boot the
> > > 2.6.31-20 kernel with the NVIDIA proprietary drivers and an xorg.conf
> > > that specifies to use the nvidia driver.
> > 	
> > 	It should also work if you boot my 2.6.28 kernel which reboots ( then
> > 
> > select the 2.6.36-0-vaioz one. )
> > 
> > 	I'm sure that one day this will all "just work" :(.
> > 
> > Adam
> > 
> > > I hope this helpt in making the kernel work for everybody.
> > > I'd gladly do some more testing.
> > > 
> > > Philippe