bug#33018: 26.1.50; thread starvation with async processes and accept-process-output

[Basil L. Contovounesios]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: "Basil L. Contovounesios" <contovob@tcd.ie>
>> Cc: <michael.albinus@gmx.de>,  <33018@debbugs.gnu.org>
>> Date: Wed, 17 Oct 2018 19:05:59 +0100
>> 
>> pselect6(14, [6 7], [], NULL, {tv_sec=99975, tv_nsec=320947003}, {NULL, 8}
>> 
>> and strace -p <pip of stuck wget> gives:
>> 
>> write(1, ">]</span></span></h2>\n<p>Emacs i"..., 4096
>> 
>> The former reminded me of bug#24201: https://debbugs.gnu.org/24201
>
> I could be wrong, but it doesn't look similar to me.  In that bug, the
> CPU was pegged, whereas you said that CPU is idle.

Right, I was only reminded of that bug because of the common
accept-process-output/pselect hang in the context of a network-related
process.  I'm not suggesting the underlying cause is the same.

-- 
Basil