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Maya 2020.2 crash when opening rig

Hi ! :grinning:

I’m using mGear 3.6.0 on a Maya 2020.2. I started working on a rig and after some basic work (skin with NgSkinTool with custom nodes baked) I can’t open my animation scene anymore… It loads, freezes and instantly crash.

What’s strange is that I worked a few hours on this animation scene with this rig version before…

I found some answers about my interrogations here: http://forum.mgear-framework.com/t/crash-opening-scene-with-baked-controls/1531: Maya 2020.2 is not stable.

To test this I opened my scene in Maya 2018 and Maya 2019: the animation scene opens and loads the rig without errors…

I know that the problem comes from Maya but is there something mGear dev can do to prevent the 2020.2 instability ? I’m a student and the school don’t really want to rollback to 2019…

Hey @Augu
Great news! Maya 2020.3 has been released
https://help.autodesk.com/view/MAYAUL/2020/JPN/?guid=Maya_ReleaseNotes_2020_3_release_notes_html

So HOPEFULLY, this resolves the issue you are experiencing. But the only way to be sure is to give it a try. Let us know how you get on.

cheers

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It’s funny because we had similar issues with Maya 2019.0: started working on characters in mGear 3.4, no issues at all, and one day Maya decides to start crashing. Installing Maya 2019.3 solved the issue for us. Seeing this when I was starting to consider switching to 2020 at some (near) point in the future does not give me a lot of hope from the Autodesk side.

@Rafael, are you aware if there’s been a poll in the forums regarding the Maya + mGear version that people are running?

@iker.mozos Hey, no I am not. But that would be great information to have on a quarterly basis.

I would hope they would be as up to date as possible with mgear. But I know shows like to “lock in” when they can.

@Miquel Should we have a poll?

@Rafael Yes, good idea. I will check if is possible to do it here or use another service to do the poll

I have some animators on Windows / mGear 3.6 / Maya 2019.3.1 reporting lots of crashes when scrubbing. They are suspecting the spring nodes, but I’m going to send them a with/without test later on.

Some polls would be great. So many different configurations in OS, Maya version, and mGear version.

Do you know if they are using GPU override? I have found lots of crashes in the past. But it was in Maya
2018

We are sticking to Maya 2019.3 (some people using 3.1) and mGear 3.4. In the past I noticed crashes when using Parallel evaluation and timeline caching. But I’ve been using it lately with and without spring nodes and it’s been fine for the most part. I get Maya freezing from time to time (forcing me to restart), but I’m not sure if it’s related to Parallel/caching/spring nodes, because it also happened on DG.

What I found in the past is some animators installing mGear 3.5, and the rig built in 3.4 not opening properly, or making Maya crash. It’s been tricky to do proper testing because everyone has their plate full. Plus we have half the animation team working in Windows, and the other half, in MacOS, but issues do not seem tied to a specific OS.

In terms of mGear rigging, we are not doing any crazy overrides, as we are using out-of-the-box Shifter guides, plus eyes generated by Facial Rigger.

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My group rolledback to 2019.2 and we have no issues right now.
Another group of my class switched to 2020.3 as you recommended and have no issue either.
We both have only a biped template running and for me some basic ctrls for the facial.

We have these new setups since 3 days but crashes can come at anytime like @iker.mozos said.

Animators got back to me:

“I turned off GPU override and haven’t had a Maya freeze yet! Frame rate seems to be 24 fps with it on and off. Rig doesn’t seem to slow down.”

(I think their playback is capped at real-time which is why they thought it didn’t slow down. But this is good news. It’s still fast enough for them, even with GPU override off.)

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