PC chrashes when activate both "Use for tonemap"

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PC chrashes when activate both "Use for tonemap"

Postby moebius » Fri Dec 06, 2019 10:16 am

moebius Fri Dec 06, 2019 10:16 am
A. win10
B. 2x GTX 1080 Ti
C. 27 GB (?) not sure
D. 26.21.14.3186
E. -
F. 2019.1.4
G. -
H. PC chrashes when activate on both Graphics Cards "Use for tonemap"
I. where do I find that?
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Re: PC chrashes when activate both "Use for tonemap"

Postby aoktar » Fri Dec 06, 2019 10:21 am

aoktar Fri Dec 06, 2019 10:21 am
D. What's your driver version? Numbers are not known by me

Also post bugreport.zip, it's required.
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Re: PC chrashes when activate both "Use for tonemap"

Postby moebius » Fri Dec 06, 2019 11:36 am

moebius Fri Dec 06, 2019 11:36 am
Driver is that what it says, and Windows says I have the best drivers it can find

maxon folder "_bugreports" is empty. I'dont get bug report, when C4D starts new.
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Re: PC chrashes when activate both "Use for tonemap"

Postby bepeg4d » Mon Dec 09, 2019 8:50 am

bepeg4d Mon Dec 09, 2019 8:50 am
Hi,
the Nvidia driver should be good, Studio 431.86, please post a screenshot of c4doctane Settings/Devices panel, and another one similar to this:
5F8B5880-EA86-45A7-A54E-2E72DF381889.jpeg

ciao Beppe
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Re: PC chrashes when activate both "Use for tonemap"

Postby moebius » Mon Dec 09, 2019 11:53 am

moebius Mon Dec 09, 2019 11:53 am
oh, i fount the driver: it's 431.86. I see, there is a new one 441.28, shoult I install it?
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Re: PC chrashes when activate both "Use for tonemap"

Postby bepeg4d » Tue Dec 10, 2019 7:50 am

bepeg4d Tue Dec 10, 2019 7:50 am
Please, download and run GPU-Z:
https://www.techpowerup.com/gpuz/
And share a screenshot from the Graphics Card tabs from both GPUs, thanks.
If it crashes with Tonemapping active, probably the PCI bus of the second GPU is too slow.
Please also post a screenshot from c4doctane settings/Devices panel, thanks.
ciao Beppe
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Re: PC chrashes when activate both "Use for tonemap"

Postby moebius » Wed Dec 11, 2019 9:59 am

moebius Wed Dec 11, 2019 9:59 am
Hi Beppe

here some screenshots, thanks a lot!

card_b.gif
card_a.gif
device.JPG
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Re: PC chrashes when activate both "Use for tonemap"

Postby bepeg4d » Thu Dec 12, 2019 8:40 am

bepeg4d Thu Dec 12, 2019 8:40 am
Please, try theses steps.
  • Go to Nvidia Control panel, menu Help, and enable the Debug Mode, to work with GPUs at default clock.
  • Connect one monitor per GPU, to reduce the available VRAM more uniformly .
  • In Devices panel, enable the Priority for both GPUs, and set the Priority popup to LOW
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Re: PC chrashes when activate both "Use for tonemap"

Postby moebius » Thu Dec 12, 2019 11:25 am

moebius Thu Dec 12, 2019 11:25 am
nop. :-(
But actually, I don't need "Use for tonemap" for both GPU, so I break up to test stuff...
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