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Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 11:32 am
by Brany
We are experimenting issues using Fast MultiLight with NVIDIA drivers 364.72 and above. It affects to all versions of Maxwell 3 (3.0/3.1/3.2). We don't reccomend to install NVIDIA graphic cards drivers newer than 364.51.

If you can confirm what version of NVIDIA drivers you use, and if you are experimenting problems with Fast Multilight (user interface freezes just releasing an emitter intensity slider, fast multilight enabled), it will be really useful for all.

368.81: freeze (win10)
368.69: ?
368.39: freeze (win10) ok (win7)
368.22: freeze (win7)
365.17: ?
365.10: freeze (win10)
364.72: freeze (win7,win10)
364.51: ok (win7,win10)
362.00: ok (win10)
361.91: ?
361.75: ok (win10)
361.43: ?
359.06: ?
359.00: ?
358.91: ?
358.87: ?
358.50: ?
355.98: ?
355.82: ?
355.60: ?
353.62: ok (win10)

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 2:50 pm
by dk2079
maxwell 3.2.1.2 / driver 368.22=freeze / card Titan X


edit* os Win 7 x64

btw. everything is smooth and updating in realtime until I release the slider for the first time

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 3:17 pm
by T0M0
This is strange, I have 368.39 version but I don't see any freezing. I move with sliders and preview is updating in real-time.
Tested with few scenes where MultLight Intensity mode was enabled on Windows 7 x64, card is Titan X.

But I can confirm that I experienced this freezing with previous version, unfortunately I don't remember which one it was.

Which OS you are using ?

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 3:27 pm
by Brany
Windows 10

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 3:37 pm
by T0M0
So most likely it is because of Windows 10.

Only way how I can properly freeze and crash Maxwell is to enable Scattering when Fast preview is turned on. But this is related to Titan X and probably cards with 8 or more VRAM.
http://www.maxwellrender.com/forum/view ... 52#p388052

Is there plan to solve this issue ? Not critical (rather spend time on new MW4 :wink: ), but it would be nice to see it working.

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 4:00 pm
by seghier
windows 7 64bits >> 353.62

but i don't use it always

Re: Known issue: Fast ML freezes. NVIDIA drivers 364.72

Posted: Fri Jul 15, 2016 6:25 pm
by burnin
364.72 = FML crashing
364.51 = FML working

GPU: Quadro M5000 8GB
OS: Win7 x64

thanks for info, since i didn't had time to investigate & test all the versions
hope issues will be solved
for now am sticking with 364.51