GeForce 4xx/Fermi to Quadro Modifying Quide

GeForce 4xx/Fermi to Quadro Modifying Quide

[Gordan Bobic]

Due to popular demand, I have finally found time to write this up. I had 
to rush it a little, but hopefully you get the gist.

http://www.altechnative.net/2013/11/25/virtualized-gaming-nvidia-cards-part-3-how-to-modify-a-fermi-based-geforce-into-a-quadro-geforce-gts450gtx470gtx480-to-quadro-200050006000/

Any questions, please ask away, and I'll update the article to expand on 
those points where appropriate.

Hopefully this will help those on a non-Quadro level budget who want to 
use GPU passthrough that works properly.

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Konrad Rzeszutek Wilk]

On Mon, Nov 25, 2013 at 09:22:00PM +0000, Gordan Bobic wrote:
> Due to popular demand, I have finally found time to write this up. I
> had to rush it a little, but hopefully you get the gist.
> 
> http://www.altechnative.net/2013/11/25/virtualized-gaming-nvidia-cards-part-3-how-to-modify-a-fermi-based-geforce-into-a-quadro-geforce-gts450gtx470gtx480-to-quadro-200050006000/
> 
> Any questions, please ask away, and I'll update the article to
> expand on those points where appropriate.

Awesome! I read it and was getting ready to modify my Nvidia card and
then realized I have an GTX460 which is looks to be GF110 but
not exactly full-fledge (one of the SMs is dead) so probably
nothing can be done about it.

> 
> Hopefully this will help those on a non-Quadro level budget who want
> to use GPU passthrough that works properly.

Time to find one of those cards at the MIT flea or hit eBay!
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Gordan Bobic]

 On Tue, 26 Nov 2013 12:33:41 -0500, Konrad Rzeszutek Wilk 
 <konrad.wilk@oracle.com> wrote:
> On Mon, Nov 25, 2013 at 09:22:00PM +0000, Gordan Bobic wrote:
>> Due to popular demand, I have finally found time to write this up. I
>> had to rush it a little, but hopefully you get the gist.
>>
>> 
>> http://www.altechnative.net/2013/11/25/virtualized-gaming-nvidia-cards-part-3-how-to-modify-a-fermi-based-geforce-into-a-quadro-geforce-gts450gtx470gtx480-to-quadro-200050006000/
>>
>> Any questions, please ask away, and I'll update the article to
>> expand on those points where appropriate.
>
> Awesome! I read it and was getting ready to modify my Nvidia card and
> then realized I have an GTX460 which is looks to be GF110 but
> not exactly full-fledge (one of the SMs is dead) so probably
> nothing can be done about it.

 From what I can see there are several variants of the GTX460,
 some with the GF104 GPU, others with the GF114 GPU. There is no
 Quadro based on the GF114, but there are two mobile Quadro
 variants based on it: Q3000M and Q4000M.

 The GTX460 variants have the following device IDs:
 GeForce GTX 460		0x0E22
 GeForce GTX 460 SE	0x0E23
 GeForce GTX 460		0x0E24

 The corresponding Quadros have IDs:

 Quadro 3000M	0x0E3A
 Quadro 4000M	0x0E3B

 So you _should_ be able to modify your card into one of those,
 since the adjustment range is within the bottom 5 bits of the
 device ID and the GPU itself is the same.

 Q4000M looks like a closer match. I'd say it's certainly
 worth a try. :)

 I don't recall that virtualization is technically supported
 on the mobile series GPUs, but it might work just fine.
 Please report back whether it works if you try it, and
 perhaps add the model to the successfully tested passthrough
 GPUs on the wiki page. :)

>> Hopefully this will help those on a non-Quadro level budget who want
>> to use GPU passthrough that works properly.
>
> Time to find one of those cards at the MIT flea or hit eBay!

 I'd still have a go at modding your existing card first, if
 for no other reason then because I don't think anyone has tried
 that particular model before.

 Gordan

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Konrad Rzeszutek Wilk]

On Tue, Nov 26, 2013 at 06:36:05PM +0000, Gordan Bobic wrote:
> On Tue, 26 Nov 2013 12:33:41 -0500, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> wrote:
> >On Mon, Nov 25, 2013 at 09:22:00PM +0000, Gordan Bobic wrote:
> >>Due to popular demand, I have finally found time to write this up. I
> >>had to rush it a little, but hopefully you get the gist.
> >>
> >>
> >>http://www.altechnative.net/2013/11/25/virtualized-gaming-nvidia-cards-part-3-how-to-modify-a-fermi-based-geforce-into-a-quadro-geforce-gts450gtx470gtx480-to-quadro-200050006000/
> >>
> >>Any questions, please ask away, and I'll update the article to
> >>expand on those points where appropriate.
> >
> >Awesome! I read it and was getting ready to modify my Nvidia card and
> >then realized I have an GTX460 which is looks to be GF110 but
> >not exactly full-fledge (one of the SMs is dead) so probably
> >nothing can be done about it.
> 
> From what I can see there are several variants of the GTX460,
> some with the GF104 GPU, others with the GF114 GPU. There is no
> Quadro based on the GF114, but there are two mobile Quadro
> variants based on it: Q3000M and Q4000M.
> 
> The GTX460 variants have the following device IDs:
> GeForce GTX 460		0x0E22 

That is the one!

> GeForce GTX 460 SE	0x0E23
> GeForce GTX 460		0x0E24
> 
> The corresponding Quadros have IDs:
> 
> Quadro 3000M	0x0E3A
> Quadro 4000M	0x0E3B
> 
> So you _should_ be able to modify your card into one of those,
> since the adjustment range is within the bottom 5 bits of the
> device ID and the GPU itself is the same.
> 
> Q4000M looks like a closer match. I'd say it's certainly
> worth a try. :)
> 
> I don't recall that virtualization is technically supported
> on the mobile series GPUs, but it might work just fine.
> Please report back whether it works if you try it, and
> perhaps add the model to the successfully tested passthrough
> GPUs on the wiki page. :)

OK, will report back.
> 
> >>Hopefully this will help those on a non-Quadro level budget who want
> >>to use GPU passthrough that works properly.
> >
> >Time to find one of those cards at the MIT flea or hit eBay!
> 
> I'd still have a go at modding your existing card first, if
> for no other reason then because I don't think anyone has tried
> that particular model before.
> 
> Gordan

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Konrad Rzeszutek Wilk]

> > From what I can see there are several variants of the GTX460,
> > some with the GF104 GPU, others with the GF114 GPU. There is no
> > Quadro based on the GF114, but there are two mobile Quadro
> > variants based on it: Q3000M and Q4000M.
> > 
> > The GTX460 variants have the following device IDs:
> > GeForce GTX 460		0x0E22 
> 
> That is the one!
> 
> > GeForce GTX 460 SE	0x0E23
> > GeForce GTX 460		0x0E24
> > 
> > The corresponding Quadros have IDs:
> > 
> > Quadro 3000M	0x0E3A
> > Quadro 4000M	0x0E3B
> > 
> > So you _should_ be able to modify your card into one of those,
> > since the adjustment range is within the bottom 5 bits of the
> > device ID and the GPU itself is the same.
> > 
> > Q4000M looks like a closer match. I'd say it's certainly
> > worth a try. :)

Success! My desktop machine now sports an Q4000M. It went
flawless - with most of the time spent on double-checking
the computations.

> > 
> > I don't recall that virtualization is technically supported
> > on the mobile series GPUs, but it might work just fine.
> > Please report back whether it works if you try it, and
> > perhaps add the model to the successfully tested passthrough
> > GPUs on the wiki page. :)
> 
> OK, will report back.

I hadn't yet done the passthrough part. Will do that next week.

Woot!

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Gordan Bobic]

 On Wed, 27 Nov 2013 12:26:44 -0400, Konrad Rzeszutek Wilk 
 <konrad@darnok.org> wrote:
>> > From what I can see there are several variants of the GTX460,
>> > some with the GF104 GPU, others with the GF114 GPU. There is no
>> > Quadro based on the GF114, but there are two mobile Quadro
>> > variants based on it: Q3000M and Q4000M.
>> >
>> > The GTX460 variants have the following device IDs:
>> > GeForce GTX 460		0x0E22
>>
>> That is the one!
>>
>> > GeForce GTX 460 SE	0x0E23
>> > GeForce GTX 460		0x0E24
>> >
>> > The corresponding Quadros have IDs:
>> >
>> > Quadro 3000M	0x0E3A
>> > Quadro 4000M	0x0E3B
>> >
>> > So you _should_ be able to modify your card into one of those,
>> > since the adjustment range is within the bottom 5 bits of the
>> > device ID and the GPU itself is the same.
>> >
>> > Q4000M looks like a closer match. I'd say it's certainly
>> > worth a try. :)
>
> Success! My desktop machine now sports an Q4000M. It went
> flawless - with most of the time spent on double-checking
> the computations.

 Splendid! Is this a Linux or Windows machine (or do you dual
 boot it)?

>> > I don't recall that virtualization is technically supported
>> > on the mobile series GPUs, but it might work just fine.
>> > Please report back whether it works if you try it, and
>> > perhaps add the model to the successfully tested passthrough
>> > GPUs on the wiki page. :)
>>
>> OK, will report back.
>
> I hadn't yet done the passthrough part. Will do that next week.
>
> Woot!

 Please do let us know how if it works. :)

 Gordan

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Konrad Rzeszutek Wilk]

On Wed, Nov 27, 2013 at 04:39:26PM +0000, Gordan Bobic wrote:
> On Wed, 27 Nov 2013 12:26:44 -0400, Konrad Rzeszutek Wilk
> <konrad@darnok.org> wrote:
> >>> From what I can see there are several variants of the GTX460,
> >>> some with the GF104 GPU, others with the GF114 GPU. There is no
> >>> Quadro based on the GF114, but there are two mobile Quadro
> >>> variants based on it: Q3000M and Q4000M.
> >>>
> >>> The GTX460 variants have the following device IDs:
> >>> GeForce GTX 460		0x0E22
> >>
> >>That is the one!
> >>
> >>> GeForce GTX 460 SE	0x0E23
> >>> GeForce GTX 460		0x0E24
> >>>
> >>> The corresponding Quadros have IDs:
> >>>
> >>> Quadro 3000M	0x0E3A
> >>> Quadro 4000M	0x0E3B
> >>>
> >>> So you _should_ be able to modify your card into one of those,
> >>> since the adjustment range is within the bottom 5 bits of the
> >>> device ID and the GPU itself is the same.
> >>>
> >>> Q4000M looks like a closer match. I'd say it's certainly
> >>> worth a try. :)
> >
> >Success! My desktop machine now sports an Q4000M. It went
> >flawless - with most of the time spent on double-checking
> >the computations.
> 
> Splendid! Is this a Linux or Windows machine (or do you dual
> boot it)?

This was Windows 7.

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Gordan Bobic]

 On Wed, 27 Nov 2013 11:43:03 -0500, Konrad Rzeszutek Wilk 
 <konrad.wilk@oracle.com> wrote:
> On Wed, Nov 27, 2013 at 04:39:26PM +0000, Gordan Bobic wrote:
>> On Wed, 27 Nov 2013 12:26:44 -0400, Konrad Rzeszutek Wilk
>> <konrad@darnok.org> wrote:
>> >>> From what I can see there are several variants of the GTX460,
>> >>> some with the GF104 GPU, others with the GF114 GPU. There is no
>> >>> Quadro based on the GF114, but there are two mobile Quadro
>> >>> variants based on it: Q3000M and Q4000M.
>> >>>
>> >>> The GTX460 variants have the following device IDs:
>> >>> GeForce GTX 460		0x0E22
>> >>
>> >>That is the one!
>> >>
>> >>> GeForce GTX 460 SE	0x0E23
>> >>> GeForce GTX 460		0x0E24
>> >>>
>> >>> The corresponding Quadros have IDs:
>> >>>
>> >>> Quadro 3000M	0x0E3A
>> >>> Quadro 4000M	0x0E3B
>> >>>
>> >>> So you _should_ be able to modify your card into one of those,
>> >>> since the adjustment range is within the bottom 5 bits of the
>> >>> device ID and the GPU itself is the same.
>> >>>
>> >>> Q4000M looks like a closer match. I'd say it's certainly
>> >>> worth a try. :)
>> >
>> >Success! My desktop machine now sports an Q4000M. It went
>> >flawless - with most of the time spent on double-checking
>> >the computations.
>>
>> Splendid! Is this a Linux or Windows machine (or do you dual
>> boot it)?
>
> This was Windows 7.

 If the Nvidia driver detected it as a Quadro and installed
 itself without problems, that is indeed a very good sign.

 Gordan

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Konrad Rzeszutek Wilk]

On Wed, Nov 27, 2013 at 04:49:19PM +0000, Gordan Bobic wrote:
> On Wed, 27 Nov 2013 11:43:03 -0500, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> wrote:
> >On Wed, Nov 27, 2013 at 04:39:26PM +0000, Gordan Bobic wrote:
> >>On Wed, 27 Nov 2013 12:26:44 -0400, Konrad Rzeszutek Wilk
> >><konrad@darnok.org> wrote:
> >>>>> From what I can see there are several variants of the GTX460,
> >>>>> some with the GF104 GPU, others with the GF114 GPU. There is no
> >>>>> Quadro based on the GF114, but there are two mobile Quadro
> >>>>> variants based on it: Q3000M and Q4000M.
> >>>>>
> >>>>> The GTX460 variants have the following device IDs:
> >>>>> GeForce GTX 460		0x0E22
> >>>>
> >>>>That is the one!
> >>>>
> >>>>> GeForce GTX 460 SE	0x0E23
> >>>>> GeForce GTX 460		0x0E24
> >>>>>
> >>>>> The corresponding Quadros have IDs:
> >>>>>
> >>>>> Quadro 3000M	0x0E3A
> >>>>> Quadro 4000M	0x0E3B
> >>>>>
> >>>>> So you _should_ be able to modify your card into one of those,
> >>>>> since the adjustment range is within the bottom 5 bits of the
> >>>>> device ID and the GPU itself is the same.
> >>>>>
> >>>>> Q4000M looks like a closer match. I'd say it's certainly
> >>>>> worth a try. :)
> >>>
> >>>Success! My desktop machine now sports an Q4000M. It went
> >>>flawless - with most of the time spent on double-checking
> >>>the computations.
> >>
> >>Splendid! Is this a Linux or Windows machine (or do you dual
> >>boot it)?
> >
> >This was Windows 7.
> 
> If the Nvidia driver detected it as a Quadro and installed
> itself without problems, that is indeed a very good sign.

I am quite happy to report that it works with Windows 7 (32-bit).

What is interesting is that it works nicely with SeaBIOS (couldn't
the old BOCHS BIOS one to do PCI passthrough?). SeaBIOS does not
yet support PCI hotplug so I had to define the PCI entries in the
guest config, which means it was:

[root@phenom konrad]# cat /root/Win7.xm | grep -v \#
builder='hvm'
memory = 2048
name = "Windows7"
vcpus=2
vif = [ 'type=ioemu, mac=00:0F:4B:00:00:65,bridge=switch' ]
disk=[ 'phy:/dev/vg_private/Win7,hda,w']
vnc=1
videoram=8
vnclisten="0.0.0.0"
vncpasswd=''
stdvga=0
usb=1
usb_add="host:045e:0039"
usbdevice='tablet'
pci=['05:00.0','05:00.1']

05:00.0 VGA compatible controller: NVIDIA Corporation GF104GLM [Quadro 4000M] (rev a1)
05:00.1 Audio device: NVIDIA Corporation GF104 High Definition Audio Controller (rev a1)


Linux on the other hand is more troublesome. This is with Fedora 20:

(nouveau kernel driver looks OK)

[    30.747] (EE)
[    30.747] (EE) Backtrace:
[    30.749] (EE) 0: /usr/bin/Xorg (OsLookupColor+0x129) [0x473899]
[    30.749] (EE) 1: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x3504e0f74f]
[    30.750] (EE) 2: /usr/bin/Xorg (xf86ProbeOutputModes+0x9c1) [0x4c3511]
[    30.750] (EE) 3: /usr/bin/Xorg (xf86PruneDuplicateModes+0x152c) [0x4cdbdc]
[    30.750] (EE) 4: /usr/bin/Xorg (RRGetInfo+0x9c) [0x50f4dc]
[    30.750] (EE) 5: /usr/bin/Xorg (ProcRRGetProviderProperty+0x1129) [0x517069]
[    30.750] (EE) 6: /usr/bin/Xorg (SendErrorToClient+0x427) [0x43a3d7]
[    30.752] (EE) 7: /usr/bin/Xorg (_init+0x3b1a) [0x42c02a]
[    30.752] (EE) 8: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x3504621d65]
[    30.752] (EE) 9: /usr/bin/Xorg (_start+0x29) [0x428c45]
[    30.753] (EE) 10: ? (?+0x29) [0x29]
[    30.753] (EE)
[    30.753] (EE) Segmentation fault at address 0x200000000000
[    30.753] (EE)

(so using nouveau)

And with Ubuntu 12.10 with Nvidia driver:  304.88-0ubuntu0.1 

[  859.790255] nvidia: module license 'NVIDIA' taints kernel.
[  859.790259] Disabling lock debugging due to kernel taint
[  859.813635] xen: --> pirq=20 -> irq=36 (gsi=36)
[  859.813705] vgaarb: device changed decodes: PCI:0000:00:05.0,olddecodes=io+mem,decodes=none:owns=io+mem
[  859.813707] vgaarb: transferring owner from PCI:0000:00:05.0 to PCI:0000:00:03.0
[  859.813874] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  304.88  Wed Mar 27 14:26:46 PDT 2013

it looks to be OK, but Xorg.0.log says:

[  1028.381] (II) NVIDIA GLX Module  304.88  Wed Mar 27 14:46:57 PDT 2013
[  1028.381] Loading extension GLX
[  1028.381] (II) LoadModule: "nvidia"
[  1028.381] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
[  1028.382] (II) Module nvidia: vendor="NVIDIA Corporation"
[  1028.382]    compiled for 4.0.2, module version = 1.0.0
[  1028.382]    Module class: X.Org Video Driver
[  1028.411] (II) NVIDIA dlloader X Driver  304.88  Wed Mar 27 14:28:14 PDT 2013
[  1028.411] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[  1028.411] (++) using VT number 7

[  1028.421] (EE) No devices detected.

Re: GeForce 4xx/Fermi to Quadro Modifying Quide

[Gordan Bobic]

 On Mon, 2 Dec 2013 21:50:17 -0500, Konrad Rzeszutek Wilk 
 <konrad.wilk@oracle.com> wrote:
> On Wed, Nov 27, 2013 at 04:49:19PM +0000, Gordan Bobic wrote:
>> On Wed, 27 Nov 2013 11:43:03 -0500, Konrad Rzeszutek Wilk
>> <konrad.wilk@oracle.com> wrote:
>> >On Wed, Nov 27, 2013 at 04:39:26PM +0000, Gordan Bobic wrote:
>> >>On Wed, 27 Nov 2013 12:26:44 -0400, Konrad Rzeszutek Wilk
>> >><konrad@darnok.org> wrote:
>> >>>>> From what I can see there are several variants of the GTX460,
>> >>>>> some with the GF104 GPU, others with the GF114 GPU. There is 
>> no
>> >>>>> Quadro based on the GF114, but there are two mobile Quadro
>> >>>>> variants based on it: Q3000M and Q4000M.
>> >>>>>
>> >>>>> The GTX460 variants have the following device IDs:
>> >>>>> GeForce GTX 460		0x0E22
>> >>>>
>> >>>>That is the one!
>> >>>>
>> >>>>> GeForce GTX 460 SE	0x0E23
>> >>>>> GeForce GTX 460		0x0E24
>> >>>>>
>> >>>>> The corresponding Quadros have IDs:
>> >>>>>
>> >>>>> Quadro 3000M	0x0E3A
>> >>>>> Quadro 4000M	0x0E3B
>> >>>>>
>> >>>>> So you _should_ be able to modify your card into one of those,
>> >>>>> since the adjustment range is within the bottom 5 bits of the
>> >>>>> device ID and the GPU itself is the same.
>> >>>>>
>> >>>>> Q4000M looks like a closer match. I'd say it's certainly
>> >>>>> worth a try. :)
>> >>>
>> >>>Success! My desktop machine now sports an Q4000M. It went
>> >>>flawless - with most of the time spent on double-checking
>> >>>the computations.
>> >>
>> >>Splendid! Is this a Linux or Windows machine (or do you dual
>> >>boot it)?
>> >
>> >This was Windows 7.
>>
>> If the Nvidia driver detected it as a Quadro and installed
>> itself without problems, that is indeed a very good sign.
>
> I am quite happy to report that it works with Windows 7 (32-bit).

 Excellent! I have added it to the wiki page of tested working adapters. 
 :)

> What is interesting is that it works nicely with SeaBIOS (couldn't
> the old BOCHS BIOS one to do PCI passthrough?). SeaBIOS does not
> yet support PCI hotplug so I had to define the PCI entries in the
> guest config, which means it was:
>
> [root@phenom konrad]# cat /root/Win7.xm | grep -v \#
> builder='hvm'
> memory = 2048
> name = "Windows7"
> vcpus=2
> vif = [ 'type=ioemu, mac=00:0F:4B:00:00:65,bridge=switch' ]
> disk=[ 'phy:/dev/vg_private/Win7,hda,w']
> vnc=1
> videoram=8
> vnclisten="0.0.0.0"
> vncpasswd=''
> stdvga=0
> usb=1
> usb_add="host:045e:0039"
> usbdevice='tablet'
> pci=['05:00.0','05:00.1']


 I always define it in the config anyway.

> 05:00.0 VGA compatible controller: NVIDIA Corporation GF104GLM
> [Quadro 4000M] (rev a1)
> 05:00.1 Audio device: NVIDIA Corporation GF104 High Definition Audio
> Controller (rev a1)
>
>
> Linux on the other hand is more troublesome. This is with Fedora 20:
>
> (nouveau kernel driver looks OK)
>
> [    30.747] (EE)
> [    30.747] (EE) Backtrace:
> [    30.749] (EE) 0: /usr/bin/Xorg (OsLookupColor+0x129) [0x473899]
> [    30.749] (EE) 1: /lib64/libpthread.so.0 (__restore_rt+0x0) 
> [0x3504e0f74f]
> [    30.750] (EE) 2: /usr/bin/Xorg (xf86ProbeOutputModes+0x9c1) 
> [0x4c3511]
> [    30.750] (EE) 3: /usr/bin/Xorg (xf86PruneDuplicateModes+0x152c)
> [0x4cdbdc]
> [    30.750] (EE) 4: /usr/bin/Xorg (RRGetInfo+0x9c) [0x50f4dc]
> [    30.750] (EE) 5: /usr/bin/Xorg (ProcRRGetProviderProperty+0x1129)
> [0x517069]
> [    30.750] (EE) 6: /usr/bin/Xorg (SendErrorToClient+0x427) 
> [0x43a3d7]
> [    30.752] (EE) 7: /usr/bin/Xorg (_init+0x3b1a) [0x42c02a]
> [    30.752] (EE) 8: /lib64/libc.so.6 (__libc_start_main+0xf5) 
> [0x3504621d65]
> [    30.752] (EE) 9: /usr/bin/Xorg (_start+0x29) [0x428c45]
> [    30.753] (EE) 10: ? (?+0x29) [0x29]
> [    30.753] (EE)
> [    30.753] (EE) Segmentation fault at address 0x200000000000
> [    30.753] (EE)
>
> (so using nouveau)

 Hmm... What distro and version was David Techer using when he
 got his Linux domU working with GPU passthrough?

> And with Ubuntu 12.10 with Nvidia driver:  304.88-0ubuntu0.1
>
> [  859.790255] nvidia: module license 'NVIDIA' taints kernel.
> [  859.790259] Disabling lock debugging due to kernel taint
> [  859.813635] xen: --> pirq=20 -> irq=36 (gsi=36)
> [  859.813705] vgaarb: device changed decodes:
> PCI:0000:00:05.0,olddecodes=io+mem,decodes=none:owns=io+mem
> [  859.813707] vgaarb: transferring owner from PCI:0000:00:05.0 to
> PCI:0000:00:03.0
> [  859.813874] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  304.88
> Wed Mar 27 14:26:46 PDT 2013
>
> it looks to be OK, but Xorg.0.log says:
>
> [  1028.381] (II) NVIDIA GLX Module  304.88  Wed Mar 27 14:46:57 PDT 
> 2013
> [  1028.381] Loading extension GLX
> [  1028.381] (II) LoadModule: "nvidia"
> [  1028.381] (II) Loading
> /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so
> [  1028.382] (II) Module nvidia: vendor="NVIDIA Corporation"
> [  1028.382]    compiled for 4.0.2, module version = 1.0.0
> [  1028.382]    Module class: X.Org Video Driver
> [  1028.411] (II) NVIDIA dlloader X Driver  304.88  Wed Mar 27
> 14:28:14 PDT 2013
> [  1028.411] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
> [  1028.411] (++) using VT number 7
>
> [  1028.421] (EE) No devices detected.

 304.88 driver is quite old, maybe it doesn't include support for
 the Q4000M. Maybe a more recent driver is worth trying?

 Gordan