https://bugs.kde.org/show_bug.cgi?id=444545
--- Comment #11 from Peter Hull <peterhul...@gmail.com> ---
(In reply to Julian Seward from comment #10)
> Q: for the failing case, does
> adding `--alignment=32` make any difference?
That didn't make any difference that I could see.
I found that running it like this:
GLIBC_TUNABLES=glibc.cpu.hwcaps=-AVX_Fast_Unaligned_Load valgrind
--tool=massif ./a.out
makes it work OK (that is supposed to disable some CPU feature detection, as
mentioned in https://stackoverflow.com/a/61048314/231929)
It would be good to rule virtualbox in or out, I wonder if there is anyone with
a AVX2-capable CPU running Fedora 35 directly who could test it. Unfortunately
I couldn't reproduce it on Debian 11.
I'm running out of ideas now.
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