From: Lars Magne Ingebrigtsen <larsi@gnus.org>
To: ding@gnus.org
Subject: Re: Prevent freezing when having bad connection?
Date: Sat, 10 Mar 2012 02:01:03 +0100 [thread overview]
Message-ID: <m3aa3pmfqo.fsf@stories.gnus.org> (raw)
In-Reply-To: <87wr7f6rlk.fsf@lifelogs.com>
Ted Zlatanov <tzz@lifelogs.com> writes:
> I have noticed hung NNTP connections that manifest the same way.
> Usually `C-g' will fix it but it's very annoying because it looks as if
> it's waiting for the remote server and you sit for 10-15 seconds before
> you realize it's hung. `strace -p' shows read() returning EAGAIN over
> and over. This is hard to simulate though, I have to open the
> connection and wait 10 minutes to be sure it will hang.
>
> Lars, I thought we were setting a heartbeat on the TCP connections in
> Emacs? Is Emacs supposed to notice that the NNTP connection is hung?
> This is not encrypted with GnuTLS so I think it's an Emacs-level issue.
Since `C-g' breaks this reliably, my guess would be that it's not a
TCP/Emacs issue at all, but just a loop in nntp.el that doesn't check
whether the connections is still alive...
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
next prev parent reply other threads:[~2012-03-10 1:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-10 21:00 Michael Heerdegen
2012-02-11 15:32 ` Lars Ingebrigtsen
2012-02-11 19:21 ` Lars Ingebrigtsen
2012-02-17 3:29 ` Michael Heerdegen
2012-02-20 7:33 ` Lars Ingebrigtsen
2012-02-22 2:07 ` Michael Heerdegen
2012-02-22 11:21 ` Ted Zlatanov
2012-03-10 1:01 ` Lars Magne Ingebrigtsen [this message]
2012-03-12 22:57 ` Michael Heerdegen
2012-03-14 14:52 ` Lars Magne Ingebrigtsen
2012-03-12 22:55 ` Michael Heerdegen
2012-03-14 14:53 ` Lars Magne Ingebrigtsen
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