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bug#24201: 25.1.50; TLS connections sometimes hang

From: Lars Ingebrigtsen
Subject: bug#24201: 25.1.50; TLS connections sometimes hang
Date: Mon, 19 Feb 2018 19:16:50 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Paul Eggert <address@hidden> writes:

> Lars Ingebrigtsen wrote:
>> #0  pthread_sigmask (how=0, newmask=<optimized out>, oldmask=0x7fffffff8a60)
>>      at ../sysdeps/unix/sysv/linux/pthread_sigmask.c:50
> When you say that Emacs "hangs" surely you don't mean that the call to
> pthread_sigmask is hanging. So, can we assume that Emacs is
> busy-waiting for something? Is the CPU pegged? What does the busy-wait
> loop look like?

It's using 100% CPU, so it's busy-waiting, but every time I stop it,
it's in that pthread_sigmask, as far as I'm able to tell...

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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