DaVinci Resolve 9.1.1 bug introduced with ML 10.8.3?

Hi everybody!

I really love the DaVinci Resolve color grading tool, but since the Mountain Lion 10.8.3 update i encountered a really bad bug.
As soon as I pick a color and add a window/shape the rendering doesn't work properly anymore.

Please watch the video i uploaded, which shows the problem.

System: ML 10.8.3 with recent CUDA update
GFX: Nvidia Quadro 5000

Also please have a look on the error logging:

log_davinci.png (111.02 KiB) Viewed 5916 times

[Dwaine Maggart]

What CUDA version are you using?

Checked our 10.8.3 with CUDA 5.0.45 system with a GTX580 card, and do not have this issue.

Perhaps the native 10.8.3 GPU driver does not like Quadro 5000 cards. That's a PC card, yes?

Are you using the 10.8.3 native GPU driver, which is version 304.10.65f03?

Thanks for your help Dwaine!

Yes, the Quadro ist a PC card.

cuda.png (101.86 KiB) Viewed 5912 times

Are there any further tests i could run? Maybe we can identify the problem.

[Dwaine Maggart]

As a test, do you have another NVIDIA card you could try, in place of the Quadro 5000?

Do you have a GUI card as well? If so, what is that? If it's an HD5770 or HD5870, you could remove the Quadro 5000, and see if this problem happens using the Radeon card as a GPU. That might help narrow down the problem, depending on what it does.

I also have a Quadro FX 3800 which i could test. But for now, the quadro 5000 is currently the only graphics card, so there is no extra GUI.

I will give it a shot...

[Dwaine Maggart]

You can try it, but I'm not sure a 3800 card will work normally.

The Quadro FX 3800 doesn't produce that strange behavior.
Maybe there is a problem with graphics cards with more than 2GB of VRAM? Reffering to the fermi openCL issue...

Are there any chances that black magic will investigate that bug?
Of course i would do the testing for you, if you need any assistance!

[Dwaine Maggart]

We are not using OpenCL with NVIDIA cards, so that should not be an issue. But there could certainly be an issue with the 10.8.3 native NVIDIA GPU driver and that card.

I am hesitant to suggest this, because I don't know what it might do, and I'm not sure how to get back to the current GPU driver if it doesn't work. But you might try downloading the NVIDIA GPU driver here, and see if it restores functionality. At your own risk. Would be a good idea to use SuperDuper or similar to backup your system drive first, just in case.

http://www.nvidia.com/object/macosx-304 ... river.html

This is the driver we recommend for GTX series and other non-Mac specific NVIDIA cards with OSX 10.8.2.

Thanks for your help, but reverting to an older graphics driver isn't a solution for me, as the recent driver gives me outstanding final cut pro x performance.

Well... then it seems to be an CUDA issue, although I'm not having problems with other applications, but maybe nvidia will release a newer version some day, which might fix this issue.

Peter, how is that driver different from the 5.x.x series of drivers? That version number looks like one for Linux. I had no idea you recommended something like that for macs. I have a PC GTX570 running with 5.0.45. Should I be using 304.xxx instead?


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Elliott Balsley
DIT, Colorist, Cinematographer
www.llamafilm.com

Peter, how is that driver different from the 5.x.x series of drivers? That version number looks like one for Linux. I had no idea you recommended something like that for macs. I have a PC GTX570 running with 5.0.45. Should I be using 304.xxx instead?

You're confusing CUDA driver version numbers with graphics driver version numbers. It's confusing, I know.

[Dwaine Maggart]

Peter has not posted in this thread, but if you were referring to my GPU driver message, be aware that the GPU driver and the CUDA driver are totally separate things. Both are shown on the System Preferences / CUDA display.

I also tested some older CUDA drivers .36 and .37 but still the same issues.
So its probably an issue with the latest graphics driver.
maybe nvidia is going to release again it's own driver

Oops. Sorry Dwaine, I was posting on my phone and I wrote the wrong name.
Anyway, I have never installed a GPU driver, only CUDA updates. I was under the impression that CUDA updates automatically update the GPU driver too. So I was just wondering why you linked to that specific driver version 304.00.
Currently, I have 304.10.65f03 on 10.8.3. I haven't noticed any problems, but is that the recommended version?
Thanks.

[Dwaine Maggart]

Your impression about CUDA updates updating the GPU driver is not a correct one. They are totally independent from one another.

If you are using Apple compliant GPU cards (like the Quadro 4000 for Mac card), then the native OS X GPU driver should be fine. But if you are using GTX type cards, the NVIDIA Driver Download site GPU driver for your particular OSX version is generally a better driver for those types of cards. This was certainly true for OS X versions 10.7.5 and 10.8.2. NVIDIA has yet to post a GPU driver for 10.8.3, so the native 10.8.3 304.10.65f03 driver is hopefully a good one. Since 10.8.3 supports the Kepler architecture Quadro K5000 for Mac, it should be good for the general GTX series as well. Our internal testing with the cards listed in the current Mac Resolve Config guide has not shown any issues with this GPU driver and the CUDA 5.0.45 driver.

The OP of this thread is having issues with the Quadro 5000 (not a card listed in the Mac Resolve Config guide), and that's why I offered up my GPU driver suggestion.

Ah I see. Thanks for explaining that. With a single GTX 570, my Standard Candle test results are identical before and after the 10.8.3 update so the driver seems pretty good on the Resolve front.
On the other hand, I have been noticing sporadic bad Flash performance in web browsers since the update, but I think I'll have to figure that one out on my own.

Ok, I did some further investigations:

1. The shape itself isn't the problem. Just select them doesn't produce this issue
2. The problem seems to be the qualifier color picker. As soon as i pick a color in addition to the shape, it starts behaving in that strange kinda way.

Hey Dwaine,

i found a solution for my problem:

with adding:
LsManager.3.NumGPUs = 1
LsManager.3.GPUMapping = 0
LsManager.3.GPUMappingEnable = 1

The issue finally disappeared

[Dwaine Maggart]

That's interesting, and thanks for posting your solution. So I have a question. Before you added those lines in Preferences / Advanced, what was Resolve reporting in Preferences / System Overview as the GPU? I don't think we ever established that earlier in the thread.

It reported my Quadro 5000. What do these config lines exactly do?

[Dwaine Maggart]

They force Resolve to use a GPU that it might normally not be inclined to use. That's why I wondered if the Quadro 5000 showed up in System Overview without these lines. If it did, I'm not sure why adding these lines would make it behave any differently.

DaVinci crashes upon render. No hanging. Just crashes. I colored project and everything. Deadline is today. Try to render & export XML back to FCPX...dead! I'm on a 2010 MacPro 10.8.3. GT120 + GTX570. Everything was fine prior to upgrading. Exported the other day.

I really can not afford to re-color this project if the XML file is corrupted. PLease help!!!