From: Eric Wong <normalperson@...>
Date: 2018-09-14T11:09:55+00:00
Subject: [ruby-core:89008] Re: [Ruby trunk Bug#11174] threads memory leak

hartator@gmail.com wrote:
> Issue #11174 has been updated by hartator (Julien Khaleghy).

> Any idea if it's already fixed somewhere else, or you guys
> still working on it?

I missed it, too :x (and now I'm too sleepy to continue...).

It seems specific to glibc (tested 2.24-11+deb9 on Debian
stable) and does not happen with jemalloc (3.6.0).

And it is NOT because of memalign fragmentation, either(*); I
disabled memalign usage to fallback to the aligned malloc+free
fallback; but can still reproduce it.

Finally, it needs multiple threads to reproduce the issue,
a single thread is not enough.


(*) https://sourceware.org/bugzilla/show_bug.cgi?id=14581

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