From: Nathan Dehnel <ncdehnel@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 53225@debbugs.gnu.org
Subject: bug#53225: shepherd freezes if wireguard is started with dns config enabled
Date: Wed, 8 Jun 2022 18:23:31 -0500 [thread overview]
Message-ID: <CAEEhgEua1cgU0m7VBYOsePrVc6kSXaGt7AGj8VKvO1P57kK2mw@mail.gmail.com> (raw)
In-Reply-To: <87o7zbp4lr.fsf@gnu.org>
>Could you be more specific? Specifically, could you share
>/var/log/messages for the parts related to Wireguard?
root@guixtest ~# cat /var/log/messages | grep -i wireguardJun 8
18:20:07 localhost vmunix: [ 6.330271] wireguard: WireGuard 1.0.0
loaded. See www.wireguard.com for information.
Jun 8 18:20:07 localhost vmunix: [ 6.330276] wireguard: Copyright
(C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights
Reserved.
>However, the standard
>service constructors/destructors no longer block, and shepherd can serve
>multiple clients concurrently.
I don't know, I guess wireguard uses "non-standard" constructors.
On Thu, Jun 2, 2022 at 8:38 AM Ludovic Courtès <ludo@gnu.org> wrote:
>
> Hi Nathan,
>
> Nathan Dehnel <ncdehnel@gmail.com> skribis:
>
> > Just tested and Shepherd 0.9 does not fix this issue.
>
> Could you be more specific? Specifically, could you share
> /var/log/messages for the parts related to Wireguard?
>
> > On Mon, Jan 17, 2022 at 7:48 AM Ludovic Courtès <ludo@gnu.org> wrote:
>
> [...]
>
> >> One command sent to shepherd by ‘herd …’ must have completed before the
> >> next one is processed.
> >>
> >> You can experience it like this:
> >>
> >> sudo herd eval root '(sleep 3)' & echo status && sudo herd status
> >>
> >> Here the first ‘herd’ command has shepherd block for 3 seconds, so the
> >> second ‘herd’ command won’t print anything until 3 seconds have passed.
>
> This is actually still the case with 0.9, because here we’re calling
> (@ (guile) sleep), which blocks. So… not a good example.
>
> The short story is: it is still possible to write code that blocks
> shepherd, as with the ‘sleep’ example above. However, the standard
> service constructors/destructors no longer block, and shepherd can serve
> multiple clients concurrently.
>
> Ludo’.
next prev parent reply other threads:[~2022-06-08 23:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-13 0:27 bug#53225: shepherd freezes if wireguard is started with dns config enabled Nathan Dehnel
2022-01-13 15:11 ` Ludovic Courtès
2022-01-13 22:41 ` Nathan Dehnel
2022-01-17 13:48 ` Ludovic Courtès
2022-06-01 22:56 ` Nathan Dehnel
2022-06-02 13:38 ` Ludovic Courtès
2022-06-08 23:23 ` Nathan Dehnel [this message]
2022-06-09 15:05 ` Ludovic Courtès
2022-06-09 15:49 ` Nathan Dehnel
2022-06-09 20:15 ` Ludovic Courtès
[not found] ` <CAEEhgEu2nOL6bEGYxrMdNjU8_Hoex-Xm1DMf4Kxj9M4ZEZ0uRg@mail.gmail.com>
2022-06-13 9:31 ` Ludovic Courtès
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