Sep 22 nightly crashing

[jimmy]

The Sep 22 nightly has given multiple freeze-ups when using x264.
First last week after updating from the Sep 12 nightly and again this week after doing a clean install.
Last week and this week I rolled back to the Aug 6 nightly, same files, same workflows, no problems.
The Sep 12 also was problem free for the week I used it.

Maybe you can see something in the attached crash.py and admlog.

https://drive.google.com/file/d/1g133aSIetKL17zO4V37gcR_6IPZeC5qc/view?usp=sharing

https://drive.google.com/file/d/1XtiTp0Q1WO-njB70BDyNhYfh1kj44Irs/view?usp=sharing

[eumagga0x2a]

I have seen this intermittent FFmpeg crash encoding audio to AC3 too, thank you for the log. Not related to x264 or anything else.

[eumagga0x2a]

Please disable AVX and AVX2 SIMD in Avidemux Preferences --> CPU and report back whether this helps.

[jimmy]

Thank-you.

Just for my own satisfaction, I reproduced the freeze-up on the first try.

Please disable AVX and AVX2 SIMD in Avidemux Preferences --> CPU and report back whether this helps.

This worked, Sep 22 nightly did not freeze-up.

Going forward, should AVX and AVX2 be kept disabled, or is that just for a temporary fix?