Wed, Feb 7
More than a week passed without a reply.
AMD GPU rendering on Mac is indeed quite poor currently, partially due to bugs in the OpenCL driver, partially due to none of the Cycles developers having this hardware or enough time to optimize for it. There's not much users can do in testing, it mainly requires a developer to spend significant time.
Tue, Feb 6
I have this black tile issue with denonising on GPU also. Im running an iMac Pro with the Radeon Pro Vega 64 16 GB graphics card, for me I have to turn off all the direct denoising to get an image looking like the expected render
Mon, Feb 5
Thu, Feb 1
Glad to hear that the problem is solved:)
Odd that I found a link to a very old version.
Thanks for quick response, and sorry to waste your time.
In the description was said that the Blender version is 2.66a. Currently we are on the version 2.79 ( with the 2.79a point release around the corner).
Can you please try the daily build from https://builder.blender.org/download/ or 2.79 or 2.79a release candidate from https://www.blender.org/download/ ?
As the mentioned version is old, there could be OS changes that happened after it's release that could cause it not to run.
no GPU rendering for me then,
Wed, Jan 31
After looking through now with proper time, seems indeed some High Sierra issue.
From the description, this must be a bug in the Apple OpenCL driver. We've seen this before where if it's given a complex OpenCL kernel, it can hang for a longe time and eventually crash or return an error.
So I'll open this again, yet I can't repro.
Factory startup is just that, it removes all settings to default, and removes GPU compute selection from settings.
Check if this happens with 2.79a-rc:
Blender 2.79a rc macOS
As it seems that it's not blender bug, marking this as resolved. Feel free to comment, I'll try to help.
Start with --factory-startup, then do some settings you usually have, and save it as new startup.blend
... can you give me an idea what to try then? I'm not a coding guru. (Unless chaos is worshipped, I that case I may stand a fair chance)
It can be also your startup .blend
Ah, it is not an add on problem,
Tue, Jan 30
Console gives this output though, (see attachement)
When switching to factory settings, enabling Cycles and then switch to GPU and start a render, it actually works!
If you start with --factory-startup, does the kernel compiling hang?
Here's the terminal output:
I would like to see the terminal console, it seems to hang when trying to build OpenCL kernels.
No, not really,
but here's a screenshot, so you can look for yourself, perhaps spot something I've missed...
Does --debug-gpu option give anything to the console before freeze?
Mon, Jan 29
zip files are possible to extract with macOS without any winzip.
@Arto Kitula (akitula) : mind having a look?
Sun, Jan 28
Fri, Jan 26
@Philipp Oeser (lichtwerk) , true. Closing.
Wed, Jan 24
so this is solved for future releases (and could be closed)?
Jan 19 2018
Jan 10 2018
Jan 5 2018
Hmmm, it seems to be an issue on my machine (surprise!). Doing the standard mac thingie of downloading and double-clicking (which on my system launches "The Unarchiver"), I see the bogus files. If i manually untar the file (https://www.blender.org/download/Blender2.79/blender-2.79-macOS-10.6.tar.gz/), the bogus files aren't there.
Hm, cannot find these '000644' in either todays buildbot or official 2.79 for Mac.
Could you try with todays buildbot? Marking as Incomplete for the time being...
Jan 4 2018
Jan 2 2018
Thank you. I need to say: Blender is great and you and your collegues are doing a great job! Living without blender is possible but senseless ((-:
Dec 31 2017
Thanks for testing, that narrows it down a bit.
Dec 21 2017
Dec 6 2017
oiio now drags in windows.h and glog loses its shit if someone else #defines ERROR first
Why are the include statements in Cycles are changed? Those are supposed to be alphabetically sorted.
Dec 2 2017
I do think it would be good to address this, every nightly build or update or 2.8 version I have to remove blender from quarantine, its not really a desired behaviour.
Dec 1 2017
@Martijn Berger (juicyfruit) Thank you, I hope we can keep the zip if possible :) Nice and simple.
Nov 30 2017
Joel, I thank you so much! Everything is fine with 2.79.
Sorry, I was in panic and that made me stupid.
Bad idea not to look for an update first.
Hope my panic will avoid panic of other users (-:
Thnx so much again!
All the best
Nov 24 2017
Couldn't get the build fixes in without having so sign legal papers, we'll keep the diff on our side for now.
- Fixed using clang instead of boost::wave for the osl parser
- fixed linking issues in blender due to missing version.lib
- fixed linking issues with collada due to utf code no longer being shared between llvm and opencollada
Nov 23 2017
Funny enough, i have some outstanding x86 issues on it, haven't gotten around to resolve those. will take a stab at that tomorrow.
As much as I'd like to simplify things, it seems too early with that percentage.