Re: How to turn of Intel VGA controller?

2020-05-03 Thread Patrick O'Callaghan
On Sun, 2020-05-03 at 16:35 +0200, AV wrote:
> > Well, Fedora installs the Intel driver as a matter of course.  I
> > suppose I could try keeping the intel modules from loading into the
> > kernel, though I don't know exactly which ones those are.  But I can
> > look it up.  Maybe that will force things to the NVIDIA driver if it
> > doesn't crash graphics altogether.  But I'm going to have to image
> > the disk before I start doing that kind of stuff.
> > 
> I don't have any setups with an Nvidia gpu at the moment but the last
> timeI had anything to do with it (about a year ago) I had installed
> Ubuntu onsomebody else's laptop with hybrid graphics and Ubuntu
> standard offers toinstall the Nvidia driver (Deb/Ubuntu package).
> Everything worked perfectlyand there was an Nvidia tool with a gui
> installed so that you could tunethe settings AND "disable" the Intel
> gpu (presumably to save power).(I do not know what this means exactly
> given the possibly complicatednature of the hardware connections).Does
> the RPMfusion Nvidia driver not come with such a tool.If it does you
> might be able to tune the Nvidia to do the things (CUDA) you want.
> AV

It's called nvidia-settings.

poc
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Re: How to turn of Intel VGA controller?

2020-05-03 Thread AV
On Sat, 2020-05-02 at 16:54 -0400, William Oliver wrote:
> On Sat, 2020-05-02 at 17:48 -0300, George N. White III wrote:On Sat,
> 2 May 2020 at 15:08, William Oliver  wrote:
> > > I am running Fedora 31 on an HP Envy 17t laptop with a NVIDIA
> > > MX250 gpu.   I have installed the NVIDIA driver downloaded from
> > > NVIDA, and it seems to have installed just fine.  I have
> > > installed CUDA, as far as I can tell.
> > > 
> > > 
> > > I am trying to use the GPU rendering capabilities of Blender, a
> > > 3D modeling package.  However, the package does not believe there
> > > is a CUDA compatible GPU installed.
> > > 
> > > I *think* it's because I'm actually running the Intel VGA
> > > controller.
> > 
> > Are you using an Intel driver?   
> > https://wiki.archlinux.org/index.php/Intel_graphics discusses pros
> > and cons of various drivers with Intel graphics.
> > There are firmware options that may affect "Optimus".  Blender
> > forums and the Nvidia Developer (registration required) sites are
> > more likely to be helpful, but you will need to translate
> > Debian/Ubuntu to Fedora.
> 
> Well, Fedora installs the Intel driver as a matter of course.  I
> suppose I could try keeping the intel modules from loading into the
> kernel, though I don't know exactly which ones those are.  But I can
> look it up.  Maybe that will force things to the NVIDIA driver if it
> doesn't crash graphics altogether.  But I'm going to have to image
> the disk before I start doing that kind of stuff.
> 
I don't have any setups with an Nvidia gpu at the moment but the last
timeI had anything to do with it (about a year ago) I had installed
Ubuntu onsomebody else's laptop with hybrid graphics and Ubuntu
standard offers toinstall the Nvidia driver (Deb/Ubuntu package).
Everything worked perfectlyand there was an Nvidia tool with a gui
installed so that you could tunethe settings AND "disable" the Intel
gpu (presumably to save power).(I do not know what this means exactly
given the possibly complicatednature of the hardware connections).Does
the RPMfusion Nvidia driver not come with such a tool.If it does you
might be able to tune the Nvidia to do the things (CUDA) you want.
AV
> 
> 
> 
> 
> 
> 
> 
> > > 
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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-03 Thread Ed Greshko
On 2020-05-03 17:49, William Oliver wrote:
> On Sun, 2020-05-03 at 07:58 +0800, Ed Greshko wrote:
>> On 2020-05-03 07:54, Ed Greshko wrote:
>>> I suppose, for testing, I'll download from the blender site and try
>>> it?
>> Well, I just download the tar file, extracted and ran.
>>
>> And, it detected my GPU just fine.
>>
>> GeForce GTX 660 (Display)
>>
>> So, it would seem the disable CUDA was intentional on Fedora
>> Project's part.
>>
>>
>
> Well, I just rendered a scene or two and turning the GPU on didn't
> really speed up rendering subjectively (though I haven't done a real
> timing yet). It may be broken.  I'd been reading about these huge
> speedups with the NVIDIA GPU, and I was excited to see if it was true
> when I got my new laptop.  It was disappointing.  But I'll switch over
> to the Blender groups for followup for that.

I don't use blender.

However, I am enrolled in several boinc projects which use CUDA.  Additionally, 
I use other
video transformation software which uses H.264 (NVEnc) encoding.  One thing to 
check
to ensure you're using the GPU is to check the temperature.  When my system is 
pretty
idle "nvidia-settings -q gpucoretemp -t" reports around 45°C .  When the GPU is 
being used
by either of the above it runs around 66°C or more.






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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-03 Thread William Oliver
On Sun, 2020-05-03 at 07:58 +0800, Ed Greshko wrote:
> On 2020-05-03 07:54, Ed Greshko wrote:
> > I suppose, for testing, I'll download from the blender site and try
> > it?
> 
> Well, I just download the tar file, extracted and ran.
> 
> And, it detected my GPU just fine.
> 
> GeForce GTX 660 (Display)
> 
> So, it would seem the disable CUDA was intentional on Fedora
> Project's part.
> 
> 


Well, I just rendered a scene or two and turning the GPU on didn't
really speed up rendering subjectively (though I haven't done a real
timing yet). It may be broken.  I'd been reading about these huge
speedups with the NVIDIA GPU, and I was excited to see if it was true
when I got my new laptop.  It was disappointing.  But I'll switch over
to the Blender groups for followup for that.

billo

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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 09:22, Samuel Sieb wrote:
> On 5/2/20 5:23 PM, Ed Greshko wrote:
>> On 2020-05-03 07:58, Ed Greshko wrote:
>>> On 2020-05-03 07:54, Ed Greshko wrote:
 I suppose, for testing, I'll download from the blender site and try it?
>>> Well, I just download the tar file, extracted and ran.
>>>
>>> And, it detected my GPU just fine.
>>>
>>> GeForce GTX 660 (Display)
>>>
>>> So, it would seem the disable CUDA was intentional on Fedora Project's part.
>>>
>>
>> Oh, interesting, I just downloaded blender-2.82a-3.fc32.src.rpm and unpacked 
>> it and ran blender
>> from its blender-2.82a-linux64 directory and it too detected my GPU.
>
> The source rpm has binaries in it?
>

Ahooosss

cd to the wrong directory.  I attribute the error to a gout flare.

No, no binaries.




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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 5:23 PM, Ed Greshko wrote:

On 2020-05-03 07:58, Ed Greshko wrote:

On 2020-05-03 07:54, Ed Greshko wrote:

I suppose, for testing, I'll download from the blender site and try it?

Well, I just download the tar file, extracted and ran.

And, it detected my GPU just fine.

GeForce GTX 660 (Display)

So, it would seem the disable CUDA was intentional on Fedora Project's part.



Oh, interesting, I just downloaded blender-2.82a-3.fc32.src.rpm and unpacked it 
and ran blender
from its blender-2.82a-linux64 directory and it too detected my GPU.


The source rpm has binaries in it?
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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 07:58, Ed Greshko wrote:
> On 2020-05-03 07:54, Ed Greshko wrote:
>> I suppose, for testing, I'll download from the blender site and try it?
> Well, I just download the tar file, extracted and ran.
>
> And, it detected my GPU just fine.
>
> GeForce GTX 660 (Display)
>
> So, it would seem the disable CUDA was intentional on Fedora Project's part.
>

Oh, interesting, I just downloaded blender-2.82a-3.fc32.src.rpm and unpacked it 
and ran blender
from its blender-2.82a-linux64 directory and it too detected my GPU.


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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 07:14, Samuel Sieb wrote:
> Is CUDA the NVidia specific one?  I guess I'm thinking of opencl. 

Yes, CUDA is nVidia.

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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 07:54, Ed Greshko wrote:
> I suppose, for testing, I'll download from the blender site and try it?

Well, I just download the tar file, extracted and ran.

And, it detected my GPU just fine.

GeForce GTX 660 (Display)

So, it would seem the disable CUDA was intentional on Fedora Project's part.

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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 07:15, William Oliver wrote:
> On Sun, 2020-05-03 at 06:58 +0800, Ed Greshko wrote:
>> Do you know if nouveau supports cuda?  I seem to recall that it
>> doesn't
>> Maybe cuda support is disabled by in the Fedora package for that
>> reason?
>>
>>
>>
> That shouldn't be an issue.  By default, GPU use is turned off. You
> have to go to Preferences and turn it on, and you have a number of
> options (None,CUDA, OptiX, OpenCL). 

Well, I have the rpmfusion NVIDIA driver installed and
xorg-x11-drv-nvidia-cuda-libs-440.82-1.fc32.x86_64
xorg-x11-drv-nvidia-cuda-440.82-1.fc32.x86_64

The preferences state:

No compatible GPU's found for path tracing.  Cycles will render on CPU.

> Blender 2.82 (the one in Fedora) was released in Feb, 2.82a was only
> released in mid-March, and 2.83 is coming out soon -- the beta was
> released yesterday.  Version 2.9 is in alpha for June.  I've never been
> a maintainer, but life is short, and for these packages that have new
> incremental versions coming out all the time it would be a pain. If I
> were a maintainer, I'd consider waiting until 2.83.  It's easy to
> download the binary...
>

I suppose, for testing, I'll download from the blender site and try it?

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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 4:15 PM, William Oliver wrote:

On Sun, 2020-05-03 at 06:58 +0800, Ed Greshko wrote:


Do you know if nouveau supports cuda?  I seem to recall that it
doesn't
Maybe cuda support is disabled by in the Fedora package for that
reason?


That shouldn't be an issue.  By default, GPU use is turned off. You
have to go to Preferences and turn it on, and you have a number of
options (None,CUDA, OptiX, OpenCL).


The issue is that to enable those options, you might have to link to the 
NVidia proprietary libraries which would not be allowed.



Blender 2.82 (the one in Fedora) was released in Feb, 2.82a was only
released in mid-March, and 2.83 is coming out soon -- the beta was
released yesterday.  Version 2.9 is in alpha for June.  I've never been
a maintainer, but life is short, and for these packages that have new
incremental versions coming out all the time it would be a pain. If I
were a maintainer, I'd consider waiting until 2.83.  It's easy to
download the binary...


Generally, new versions are not a big deal.  Just update the version in 
the spec and rebuild.  It might just need a build config option adjusted 
to turn on the capability.

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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread William Oliver
On Sun, 2020-05-03 at 06:58 +0800, Ed Greshko wrote:
> 
> Do you know if nouveau supports cuda?  I seem to recall that it
> doesn't
> Maybe cuda support is disabled by in the Fedora package for that
> reason?
> 
> 
> 

That shouldn't be an issue.  By default, GPU use is turned off. You
have to go to Preferences and turn it on, and you have a number of
options (None,CUDA, OptiX, OpenCL).  

Blender 2.82 (the one in Fedora) was released in Feb, 2.82a was only
released in mid-March, and 2.83 is coming out soon -- the beta was
released yesterday.  Version 2.9 is in alpha for June.  I've never been
a maintainer, but life is short, and for these packages that have new
incremental versions coming out all the time it would be a pain. If I
were a maintainer, I'd consider waiting until 2.83.  It's easy to
download the binary...

billo
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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 3:58 PM, Ed Greshko wrote:

On 2020-05-03 06:44, Samuel Sieb wrote:

On 5/2/20 3:20 PM, William Oliver wrote:

On Sat, 2020-05-02 at 17:22 -0400, William Oliver wrote:


I was afraid of that.  I guess I'll reinstall my Windows image and
see
if I can set it from there.

billo



In case anybody cares, this is a blender issue not a Fedora or HP
issue.  The version of blender you get from dnf/yum install does not
recognize the GPU.  The version (2.82a) you can download directly from
the blender community does.  I don't know if it's a version issue or if
the canned package isn't compiled with CUDA support.  In any case the
2.82a I downloaded directly untars with a binary the recognizes the
GeForce M250 card.


You could file a bug in the Fedora bugzilla to see if the maintainer can add 
that support.



Do you know if nouveau supports cuda?  I seem to recall that it doesn't
Maybe cuda support is disabled by in the Fedora package for that reason?


Is CUDA the NVidia specific one?  I guess I'm thinking of opencl.
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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Ed Greshko
On 2020-05-03 06:44, Samuel Sieb wrote:
> On 5/2/20 3:20 PM, William Oliver wrote:
>> On Sat, 2020-05-02 at 17:22 -0400, William Oliver wrote:
>>>
>>> I was afraid of that.  I guess I'll reinstall my Windows image and
>>> see
>>> if I can set it from there.
>>>
>>> billo
>>>
>>
>> In case anybody cares, this is a blender issue not a Fedora or HP
>> issue.  The version of blender you get from dnf/yum install does not
>> recognize the GPU.  The version (2.82a) you can download directly from
>> the blender community does.  I don't know if it's a version issue or if
>> the canned package isn't compiled with CUDA support.  In any case the
>> 2.82a I downloaded directly untars with a binary the recognizes the
>> GeForce M250 card.
>
> You could file a bug in the Fedora bugzilla to see if the maintainer can add 
> that support.
>

Do you know if nouveau supports cuda?  I seem to recall that it doesn't
Maybe cuda support is disabled by in the Fedora package for that reason?


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Re: [Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 3:20 PM, William Oliver wrote:

On Sat, 2020-05-02 at 17:22 -0400, William Oliver wrote:


I was afraid of that.  I guess I'll reinstall my Windows image and
see
if I can set it from there.

billo



In case anybody cares, this is a blender issue not a Fedora or HP
issue.  The version of blender you get from dnf/yum install does not
recognize the GPU.  The version (2.82a) you can download directly from
the blender community does.  I don't know if it's a version issue or if
the canned package isn't compiled with CUDA support.  In any case the
2.82a I downloaded directly untars with a binary the recognizes the
GeForce M250 card.


You could file a bug in the Fedora bugzilla to see if the maintainer can 
add that support.

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[Solved for blender] Re: How to turn of Intel VGA controller?

2020-05-02 Thread William Oliver
On Sat, 2020-05-02 at 17:22 -0400, William Oliver wrote:
> 
> I was afraid of that.  I guess I'll reinstall my Windows image and
> see
> if I can set it from there.
> 
> billo
> 

In case anybody cares, this is a blender issue not a Fedora or HP
issue.  The version of blender you get from dnf/yum install does not
recognize the GPU.  The version (2.82a) you can download directly from
the blender community does.  I don't know if it's a version issue or if
the canned package isn't compiled with CUDA support.  In any case the
2.82a I downloaded directly untars with a binary the recognizes the
GeForce M250 card.

As an aside, removing the NVIDIA site drivers and reinstalling the
rpmfusion NVIDIA drivers is not hard.  If you rerun the .bin file from
NVIDIA with the option --uninstall, it uninstalls cleanly, and then the
rpmfusion NVIDIA driver installs again without a hitch (and the nvidia-
settings works again).

I don't have to reinstall Windows (yayy!)

billo
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Re: How to turn of Intel VGA controller?

2020-05-02 Thread William Oliver
On Sat, 2020-05-02 at 14:15 -0700, Samuel Sieb wrote:
> 
> 
> As I mentioned in the other thread, if you disable the Intel driver
> and 
> you don't have a hardware mux, you're going to fallback to a very
> slow 
> framebuffer for graphics.
> ___
> 

I was afraid of that.  I guess I'll reinstall my Windows image and see
if I can set it from there.

billo
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Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 1:54 PM, William Oliver wrote:
On Sat, 2020-05-02 at 17:48 -0300, George N. White III wrote:On Sat, 2 
Are you using an Intel driver? 
https://wiki.archlinux.org/index.php/Intel_graphics discusses pros and 
cons of various drivers with Intel graphics.
There are firmware options that may affect "Optimus".  Blender forums 
and the Nvidia Developer (registration required) sites are more likely 
to be helpful, but you will need to translate Debian/Ubuntu to Fedora.


Well, Fedora installs the Intel driver as a matter of course. I suppose 
I could try keeping the intel modules from loading into the kernel, 
though I don't know exactly which ones those are. But I can look it up. 
Maybe that will force things to the NVIDIA driver if it doesn't crash 
graphics altogether. But I'm going to have to image the disk before I 
start doing that kind of stuff.


As I mentioned in the other thread, if you disable the Intel driver and 
you don't have a hardware mux, you're going to fallback to a very slow 
framebuffer for graphics.

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Re: How to turn of Intel VGA controller?

2020-05-02 Thread William Oliver
On Sat, 2020-05-02 at 13:00 -0700, Samuel Sieb wrote:
> 
> Depending on how the hardware is setup, you might not be able to
> disable 
> the Intel one.  (See the other very long thread here that has been 
> discussing that same issue for an AMD setup.)  Do you have a right-
> click 
> option to run applications on the other GPU?

Sigh.  I was afraid of that.  Yeah, I read part of that thread (I had
inadvertently deleted the earlier part of it).  I went on the HP site,
and apparently there's some HP tool on Windows (at least for AMD cards)
that you can use -- but of course I've wiped Windows from my box.

I imaged the original disk, so I suppose I can put the Windows image
back on and see if I can do it that way, but that's going to eat up a
day doing backups and swapping disk images and stuff.


> 
> > First, of course, graphics seems to work in general. Blender runs
> > fine, 
> > but (for those of you who might use blender), when using the
> > Cycles 
> > renderer, I can only render using the CPU.
> > $lsmod | grep nvidia
> > nvidia_drm 53248  0
> > nvidia_modeset   1118208  1 nvidia_drm
> > nvidia  20504576  4 nvidia_modeset
> > ipmi_msghandler   118784  1 nvidia
> > drm_kms_helper237568  2 nvidia_drm,i915
> > drm   598016  13 drm_kms_helper,nvidia_drm,i915
> The driver is loaded.
> 
> > The following is a little odd. This used to load, but while
> > floundering 
> > about, I removed and reinstalled the Nvidia driver from NVIDIA. Now
> > it 
> > won't load:
> > 
> > $ nvidia-settings
> > 
> > ERROR: Unable to load info from any available system
> 
> This is a problem.  If the settings app can't find the card, then
> CUDA 
> likely won't be able to either.  You probably have to fully clean
> out 
> all the NVidia stuff and reinstall it properly.

Bummer.  



> 
> > I assume the tainting stuff below is because I'm using the driver 
> > downloaded from NVIDIA.
> 
> Yes.
> You downloaded it from NVidia instead of using the rpmfusion
> packages? 
> Cleaning it up will be extra fun then...


Yeah.  I'll probably just do a clean reinstall of F 31.  The problem
was that the rpmfusion packages started giving me errors loading the
nvidia modules into the kernel when I did an update and upgraded the
kernel.  So I removed the rpmfusion packages and downloaded the NVIDIA
package. Those modules loaded, but things are screwed up now.






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Re: How to turn of Intel VGA controller?

2020-05-02 Thread William Oliver
On Sat, 2020-05-02 at 17:48 -0300, George N. White III wrote:On Sat, 2
May 2020 at 15:08, William Oliver  wrote:
> > I am running Fedora 31 on an HP Envy 17t laptop with a NVIDIA MX250
> > gpu.   I have installed the NVIDIA driver downloaded from NVIDA,
> > and it seems to have installed just fine.  I have installed CUDA,
> > as far as I can tell.
> > 
> > 
> > I am trying to use the GPU rendering capabilities of Blender, a 3D
> > modeling package.  However, the package does not believe there is a
> > CUDA compatible GPU installed.
> > 
> > I *think* it's because I'm actually running the Intel VGA
> > controller.
> 
> Are you using an Intel driver?   
> https://wiki.archlinux.org/index.php/Intel_graphics discusses pros
> and cons of various drivers with Intel graphics.
> There are firmware options that may affect "Optimus".  Blender forums
> and the Nvidia Developer (registration required) sites are more
> likely to be helpful, but you will need to translate Debian/Ubuntu to
> Fedora.

Well, Fedora installs the Intel driver as a matter of course.  I
suppose I could try keeping the intel modules from loading into the
kernel, though I don't know exactly which ones those are.  But I can
look it up.  Maybe that will force things to the NVIDIA driver if it
doesn't crash graphics altogether.  But I'm going to have to image the
disk before I start doing that kind of stuff.
Thanks.










> > So, if I'm right, my question is, how do I disable the Intel VGA
> > controller (or not make it the default) so it uses the NVIDIA
> > controller.
> > 
> > 
> 
> Even experts find this stuff painful: 
> https://www.pugetsystems.com/labs/hpc/NVIDIA-CUDA-GPU-computing-on-a-modern-laptop-629/
>   ("modern" as of 2015, with Optimus technology).   
> 
> 
> 
> 
> 
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Re: How to turn of Intel VGA controller?

2020-05-02 Thread George N. White III
On Sat, 2 May 2020 at 15:08, William Oliver  wrote:

> I am running Fedora 31 on an HP Envy 17t laptop with a NVIDIA MX250 gpu. I
> have installed the NVIDIA driver downloaded from NVIDA, and it seems to
> have installed just fine. I have installed CUDA, as far as I can tell.
>
>
> I am trying to use the GPU rendering capabilities of Blender, a 3D
> modeling package. However, the package does not believe there is a CUDA
> compatible GPU installed.
>
> I *think* it's because I'm actually running the Intel VGA controller.
>

Are you using an Intel driver?
https://wiki.archlinux.org/index.php/Intel_graphics discusses pros and cons
of various drivers with Intel graphics.
There are firmware options that may affect "Optimus".  Blender forums and
the Nvidia Developer (registration required) sites are more likely to be
helpful, but you will need to translate Debian/Ubuntu to Fedora.

>
> So, if I'm right, my question is, how do I disable the Intel VGA
> controller (or not make it the default) so it uses the NVIDIA controller.
>
>
Even experts find this stuff painful:
https://www.pugetsystems.com/labs/hpc/NVIDIA-CUDA-GPU-computing-on-a-modern-laptop-629/
("modern" as of 2015, with Optimus technology).




-- 
George N. White III
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Re: How to turn of Intel VGA controller?

2020-05-02 Thread Samuel Sieb

On 5/2/20 11:08 AM, William Oliver wrote:
I am running Fedora 31 on an HP Envy 17t laptop with a NVIDIA MX250 gpu. 
I have installed the NVIDIA driver downloaded from NVIDA, and it seems 
to have installed just fine. I have installed CUDA, as far as I can tell.


I am trying to use the GPU rendering capabilities of Blender, a 3D 
modeling package. However, the package does not believe there is a CUDA 
compatible GPU installed.


I *think* it's because I'm actually running the Intel VGA controller.

So, if I'm right, my question is, how do I disable the Intel VGA 
controller (or not make it the default) so it uses the NVIDIA controller.


Depending on how the hardware is setup, you might not be able to disable 
the Intel one.  (See the other very long thread here that has been 
discussing that same issue for an AMD setup.)  Do you have a right-click 
option to run applications on the other GPU?


First, of course, graphics seems to work in general. Blender runs fine, 
but (for those of you who might use blender), when using the Cycles 
renderer, I can only render using the CPU.



$lsmod | grep nvidia
nvidia_drm 53248  0
nvidia_modeset   1118208  1 nvidia_drm
nvidia  20504576  4 nvidia_modeset
ipmi_msghandler   118784  1 nvidia
drm_kms_helper237568  2 nvidia_drm,i915
drm   598016  13 drm_kms_helper,nvidia_drm,i915

The driver is loaded.

The following is a little odd. This used to load, but while floundering 
about, I removed and reinstalled the Nvidia driver from NVIDIA. Now it 
won't load:


$ nvidia-settings

ERROR: Unable to load info from any available system


This is a problem.  If the settings app can't find the card, then CUDA 
likely won't be able to either.  You probably have to fully clean out 
all the NVidia stuff and reinstall it properly.


I assume the tainting stuff below is because I'm using the driver 
downloaded from NVIDIA.


Yes.
You downloaded it from NVidia instead of using the rpmfusion packages? 
Cleaning it up will be extra fun then...

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