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bug#33018: 26.1.50; thread starvation with async processes and accept-pr
From: |
Eli Zaretskii |
Subject: |
bug#33018: 26.1.50; thread starvation with async processes and accept-process-output |
Date: |
Wed, 17 Oct 2018 21:20:22 +0300 |
> 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
>
> > Looks like the buffer of the pipe through which Emacs reads the stuff
> > is full, and wget waits for some space there?
>
> Would that imply that different threads/processes are (re)using the same
> buffer/pipe?
Could be, but it's more likely that Emacs simply doesn't read the
output from wget.
> 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.
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, (continued)
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Basil L. Contovounesios, 2018/10/14
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Eli Zaretskii, 2018/10/16
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Basil L. Contovounesios, 2018/10/17
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Eli Zaretskii, 2018/10/17
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Basil L. Contovounesios, 2018/10/17
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output,
Eli Zaretskii <=
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Eli Zaretskii, 2018/10/17
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Basil L. Contovounesios, 2018/10/17
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Eli Zaretskii, 2018/10/20
- bug#33018: 26.1.50; thread starvation with async processes and accept-process-output, Basil L. Contovounesios, 2018/10/17