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Date: Sat, 28 Sep 2019 16:29:51 +0200
From: Solar Designer <>
Subject: Re: x86 containers under x86_64 hardware node: threads don't work

Hi Croco,

What Owl kernel version do you have on that host ("uname -rm", please)?

On Fri, Sep 27, 2019 at 06:17:30PM +0300, wrote:
> After some unsuccessful attempts to 'solve' this by changing container's
> config parameters, I started suspecting the problem is with threads as
> such, and to check for it, tried to run a small (really small!)
> pthread-based demo program.  It failed to create any threads at all, that
> is, pthread_create always returns that damn EAGAIN.

This is news to me, and I can't reproduce it.  For example, taking our
crypt_blowfish 1.3 and running "make check_threads" in a 32-bit Owl
container on a 64-bit Owl host works just fine for me.  Can you also try
this very test?


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