[elrepo] nvidia and centos7

[Andrew Simpson]

bumblebee/primus is easy to get setup these days and not an issue.
Actually, with the nouveau drivers on a sufficiently updated RHEL 7/CentOS
7 system, you can simply use 'DRI_PRIME=1 ./application' and it will
perform well.

Andrew Simpson

On Sat, Jul 28, 2018 at 10:49 PM, doug schmidt <douglas.j.schmidt at gmail.com>
wrote:

> >> nvidia/intel, and an nvidia chip that doesn't see any connected
> monitors.  I
> >> assume you've looked down the primus road?
>
> > Yes. I've looked, just have not tried installing primus yet. Also, I
> looked at using
> > bumblebee. Going to try disabling in BIOS first, then I'll try primus
> then bumblebee.
> > In BIOS I can change graphics to discrete instead of hybrid. I'll test
> each of them.
>
> I have not been able to test this fully yet. Just have not had time to do
> so.
>
> I have changed graphics from hybrid to discrete in the BIOS, disabling the
> Intel card, and
> enabling the Nvidia card. That works, X starts and I have gnome desktop.
> Still get the occasional
> freezing of the system, it comes back and I'm able to resume working. No
> hard lockups yet. (From my limited
> testing).
>
> I see some kernel messages, time outs for x amount of seconds. I need to
> reboot and check on dmesg messages. I can give full dmesg output, however I
> have seen some messages that I don't see every time.
>
> It's good that changing setting in BIOS shows X/gnome working. Ultimately,
> I'd like to stay away from making BIOS changes every time I want to boot
> from Windows to CentOS. Would be nice to have this while in the operating
> OS environments. Even if I didn't have dual boot, just having CentOS
> installed, would be nice to have the option to change graphics card without
> rebooting, and going to BIOS to make changes.
>
> Is going down the primus/bumblebee route, the only way for this? I have
> not tried this route yet, as I'm a little confused/hesitant from installing
> the elrepo/nvidia drivers, which disabled nouveau drivers. I see from
> looking at primus/bumblebee docs on elrepo the config mentions nouveau.
> Isn't nouveau disabled from nvidia driver install? What else is needed to
> convert to this setup?
>
> Are these some questions I should be asking on the CentOS list also? I
> wanted to start here, as it seems most of my issues so far, point me back
> to elrepo packages possibly helping. (BIOS changes, nvidia drivers, primus,
> bumblebee, main line or long term kernels). I have yet to try anything
> other than stock install, elrepo nvidia drivers, and BIOS config changes.
> The elrepo drivers and BIOS config have been positive so far.
>
> I have some time tomorrow through Tuesday to do some more testing. Any
> ideas or suggestions would be appreciated.
>
> Seems like so far, issues are being able to change from Intel to Nvidia
> graphics while in operating environment, and the occasional freezes. I'll
> give primus a shot and test, but again, I'm a little confused with the
> mention in docs about nouveau. Again, I'll check on those kernel timeout
> messages that happen on stdout).
>
> Let me know if I should check anything else or provide other output
> commands.
>
> Thanks
> Doug
>
> On Wed, Jul 11, 2018 at 11:04 AM doug schmidt <douglas.j.schmidt at gmail.com>
> wrote:
>
>> > nvidia/intel, and an nvidia chip that doesn't see any connected
>> monitors.  I
>> > assume you've looked down the primus road?
>>
>> Yes. I've looked, just have not tried installing primus yet. Also, I
>> looked at using
>> bumblebee. Going to try disabling in BIOS first, then I'll try primus
>> then bumblebee.
>> In BIOS I can change graphics to discrete instead of hybrid. I'll test
>> each of them.
>> Figured I would send a message to list first, before looking at other
>> roads. I though
>> perhaps maybe a config option in xorg.conf needed to be tweaked.
>>
>> Also, just to clarify where you say "connected monitors", I don't have
>> any external
>> monitors attached to the P70 laptop, currently just using the laptop
>> display.
>>
>> Also, I'm not really concerned about battery at the moment. As this
>> laptop is 90-100%
>> always connected to AC power source.
>>
>> Thanks
>> Doug
>>
>> On Wed, Jul 11, 2018 at 9:35 AM John Hodrien <J.H.Hodrien at leeds.ac.uk>
>> wrote:
>>
>>> On Wed, 11 Jul 2018, doug schmidt wrote:
>>>
>>> > Hi,Just following up. Does anyone have any ideas of what I can try to
>>> get x/gnome working under nvidia drivers?
>>>
>>> nvidia/intel, and an nvidia chip that doesn't see any connected
>>> monitors.  I
>>> assume you've looked down the primus road?
>>>
>>> https://elrepo.org/tiki/primus
>>>
>>> Otherwise, if you get nowhere there, have you considered disabling the
>>> Intel
>>> card in the BIOS (if possible) which may make it appear as a simple
>>> nvidia
>>> only machine, and it should just work, at the cost of worse battery life.
>>>
>>> jh
>>> _______________________________________________
>>> elrepo mailing list
>>> elrepo at lists.elrepo.org
>>> http://lists.elrepo.org/mailman/listinfo/elrepo
>>>
>>
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