[Self-interest] VM error

Nathan Summers rockwalrus at gmail.com
Thu May 20 15:12:51 UTC 2021

On Fri, May 7, 2021, 6:37 AM Maha Alvi <maha.alvi at protonmail.com> wrote:

> Hi,
> I downloaded Self to learn. I'm getting the message below when I type:
> ./Self
> Output:
> Self VM fatal error (/opt/self/vm/src/any/memory/generation.cpp, line
> 307): Couldn't allocate initial old space -- not enough swap space?

I've seen this on Linux before. It was caused by some distro-specific
kernel security option that made the memory allocated for the old space
fail the page alignment check. I don't remember what I had to disable to
get it to work.

Other things that might happen is a kernel security option disallowing
simultaneous write and execute permissions on the old space page or the
address of the allocated space having the high bit set.


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