From: Robert Pluim <rpluim@gmail.com>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Eric Abrahamsen <eric@ericabrahamsen.net>,
Christian Barthel <bch@online.de>,
ding@gnus.org
Subject: Re: new wifi connection = nntp timeout = Emacs restart?
Date: Mon, 04 May 2020 18:13:57 +0200 [thread overview]
Message-ID: <m2mu6n4r0a.fsf@gmail.com> (raw)
In-Reply-To: <87pnbjwy5y.fsf@gnus.org>
>>>>> On Mon, 04 May 2020 16:51:53 +0200, Lars Ingebrigtsen <larsi@gnus.org> said:
Lars> Robert Pluim <rpluim@gmail.com> writes:
>> Also, I see this when coming out of sleep and connecting to the same
>> wifi network, with the same IP, and the same DNS server, which I guess
>> implicates Emacs more.
Lars> It's unlikely to be something on your machine that's the problem. It's
Lars> unfortunately common for routers/firewalls to eject the apparently dead
Lars> connection from their routing tables, and when a new packet arrives
Lars> on that connection, it'll just discard it (instead of sending a RST
Lars> packet to you). The result is a hanging connection.
And no doubt they'll have some crappy justification for doing
it. <sigh>
Lars> In my experience, this is quite common for the NAT routers ISPs use in
Lars> front of your home, and less common for the firewalls that's close to
Lars> the server.
Iʼve just sledgehammered in tcp-keepalives at 1 second intervals into
make-network-process, and that at least makes the detection of the
failed connection fast.
Eric, are you on GNU/Linux? I can cook up a patch for that platform to
try if you want.
Robert
next prev parent reply other threads:[~2020-05-04 16:14 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 17:37 Eric Abrahamsen
2020-04-17 11:46 ` Eric S Fraga
2020-04-17 12:20 ` Gijs Hillenius
2020-04-17 12:26 ` Andreas Schwab
2020-04-17 14:51 ` Eric Abrahamsen
2020-04-17 15:38 ` David Engster
2020-04-17 16:35 ` Eric Abrahamsen
2020-04-19 6:37 ` Christian Barthel
2020-04-19 17:32 ` Eric Abrahamsen
2020-04-19 18:02 ` Robert Pluim
2020-04-19 21:23 ` Eric Abrahamsen
2020-04-19 22:10 ` Eric Abrahamsen
2020-04-20 4:54 ` Eric Abrahamsen
2020-04-20 7:40 ` Andreas Schwab
2020-04-20 15:45 ` Eric Abrahamsen
2020-04-20 15:54 ` Robert Pluim
2020-04-20 18:24 ` Eric Abrahamsen
2020-04-21 8:36 ` Alberto Luaces
2020-04-21 15:53 ` Eric Abrahamsen
2020-04-22 7:37 ` Alberto Luaces
2020-04-22 8:28 ` Alberto Luaces
2020-04-30 5:26 ` Lars Ingebrigtsen
2020-04-30 17:34 ` Eric Abrahamsen
2020-04-30 21:49 ` Lars Ingebrigtsen
2020-04-30 22:11 ` Eric Abrahamsen
2020-05-04 12:53 ` Robert Pluim
2020-05-04 13:13 ` Andreas Schwab
2020-05-04 13:33 ` Robert Pluim
2020-05-04 14:35 ` Andreas Schwab
2020-05-04 14:46 ` Robert Pluim
2020-05-04 15:10 ` Andreas Schwab
2020-05-04 16:29 ` Robert Pluim
2020-05-04 14:51 ` Lars Ingebrigtsen
2020-05-04 16:13 ` Robert Pluim [this message]
2020-05-04 16:36 ` Eric Abrahamsen
2020-05-04 17:21 ` Robert Pluim
2020-05-04 18:01 ` Lars Ingebrigtsen
2020-05-05 7:41 ` new wifi connection = nntp timeout = Emacs restart?, " Robert Pluim
2020-05-05 8:19 ` Lars Ingebrigtsen
2020-05-05 11:55 ` Robert Pluim
2020-05-19 13:34 ` Lars Ingebrigtsen
2020-05-19 13:36 ` Lars Ingebrigtsen
2020-05-04 18:47 ` Eric Abrahamsen
2020-05-04 15:38 ` Eric Abrahamsen
2020-05-04 16:28 ` Robert Pluim
2020-04-30 17:38 ` Eric Abrahamsen
2020-04-30 21:51 ` Lars Ingebrigtsen
2020-04-30 22:26 ` Eric Abrahamsen
2020-04-30 22:28 ` Lars Ingebrigtsen
2020-04-30 22:39 ` Eric Abrahamsen
2020-04-30 22:55 ` Lars Ingebrigtsen
2020-04-30 23:13 ` Eric Abrahamsen
2020-04-30 23:23 ` Lars Ingebrigtsen
2020-05-01 9:46 ` David Engster
2020-05-01 10:35 ` David Engster
2020-05-01 17:29 ` Eric Abrahamsen
2020-05-01 20:51 ` David Engster
2020-05-02 0:33 ` Eric Abrahamsen
2020-05-02 10:20 ` David Engster
2020-05-02 15:13 ` Eric Abrahamsen
2020-05-02 16:50 ` David Engster
2020-05-02 19:07 ` Eric Abrahamsen
2020-05-19 13:23 ` Lars Ingebrigtsen
2020-05-21 0:45 ` Eric Abrahamsen
2020-06-26 9:38 ` Lars Ingebrigtsen
2020-08-21 20:47 ` Eric Abrahamsen
2020-05-01 18:06 ` Eric Abrahamsen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m2mu6n4r0a.fsf@gmail.com \
--to=rpluim@gmail.com \
--cc=bch@online.de \
--cc=ding@gnus.org \
--cc=eric@ericabrahamsen.net \
--cc=larsi@gnus.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).