Thomas Pagel 18 February 2009 07:37 AM

didnt test the hotfix much yet, but seems to be a small problem when you clear a map on a material, it clears full undo history?

Here are the bad news (or the expected): No, the patch don´t work. With the clearing of a map while dragging an empty “NONE"-Slot over it in MaterialEditor, you clear the undo stack.

But you are right, the test don´t need much time. After 10 seconds it was clear that it´s not working. It´s really frustrating…

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I’m not sure that this is the specific problem our “undo fix” was addressing. This is a reproducible problem that is fixed in 3ds Max 2010 - we just have to figure out how to get that fix rolled out for 2009. Our apologies.

Director, Visual Communication Solutions
Autodesk

From our QE:

Let me try clarifying things a bit more:
The Undo Stack fix that’s in HotFix6 is really about minimizing Undo Stack flushes that get triggered by the garbage collector. This was because the data we got from the users who used our special build with the intstrumentation tool, pointed us in that direction, meaning a vast majority of the flushes they were reporting seemed to be related to that.

Time-wise or operation-wise, these flushes happen in a non-deterministic way, thus the random aspect of stack flushing in these cases. This HotFix was really aiming at fixing this sort of issue, but was not claiming we would resolve all Undo Stack flushing issues. Some - like the Material Editor one - got fixed in 3ds Max 2010 through other code changes, like what was done for improving the Reference system. Others are still present, like the case of the object deletion while in object creation mode.

It’s also for being able to get more data on other problematic situations that we decided we would also include the diagnosis tool in the HotFix (i.e. the instrumentation system), so that users would have a way to send data about specific Undo stack flushing issues they might encounter. This diagnosis tool can be enabled by setting an environment variable, and we might want to ask users, who would still report Undo stack flushing problems, to turn it on and send us CER reports, for helping us figuring out what would still trigger unwanted flushes.

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So, if you’re having undo problems after installing the hotfix, we probably need to turn on the special “instrumentation system” to get more data on your problem.

Director, Visual Communication Solutions
Autodesk

I just rolled out the hotfix for our animators last night.  As of this morning, they are still getting the undo bug.  Is there any “next step” I can take?  Our animators are becoming extremely frustrated with 2009…

rgoer 25 February 2009 05:18 PM

I just rolled out the hotfix for our animators last night.  As of this morning, they are still getting the undo bug.  Is there any “next step” I can take?  Our animators are becoming extremely frustrated with 2009…

We’re looking into turning on your instrumentation. We’ll be in contact.

Director, Visual Communication Solutions
Autodesk

Hotfix didn’t work. Today undo bug happened when I was modeling, which has happened only in animation for me.

now our animators are starting to actually get crashes when performing multiple undos (between 4 and ~20ish undos in succession)… any new info?

I’ve just been informed that our hotfix for the undo has a potential issue with it. This might cause additional problems in some cases leading to unexplained crashes. We’re working on issuing another hotfix. Sorry.

Director, Visual Communication Solutions
Autodesk

Ken,
Were you thinking of posting that same information on CGtalk?

Thanks,
David

Want to change the current Max release schedule? Write/Email/Call your reseller

This is a serious problem for our animators too.  How do we turn on this reporting?  We’d be happy to help track down the issues.
Is there an eta on the updated hotfix?