From: Andrew Lunn <andrew@lunn.ch>
To: Tad <ecos_removethispart@ds3switch.com>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Re: accept() FreeBSD hangs when out of resources
Date: Tue, 12 Jun 2007 03:51:00 -0000 [thread overview]
Message-ID: <20070611230045.GI26816@lunn.ch> (raw)
In-Reply-To: <466DDDCF.1040506@ds3switch.com>
On Mon, Jun 11, 2007 at 03:42:07PM -0800, Tad wrote:
> >>accept() won't return and won't timeout (>12hrs) when listen() indicates
> >>a new connection, if out of sockets/file-descriptors and all TCP
> >>connections are in ESTABLISHED state.
> >
> >Where exactly is it blocked. Please could you provide a call stack.
>
> Couldn't see why it would hang either, Andrew, but seems to reliably.
>
> Wish I could help more. Submitted 20 hrs of digging. My system doesn't
> have any gdb or printf capablities. Think I gave enough reproduction
> situation for someone with gdb capabilities to take it further.
For situations like this i find working on the synthetic target much
better. You have full gdb support, diag_printf etc.
What i would ideally like is a test case we can add to the standard
tests. The test case should fail now, but once we have fix the problem
we can keep the test case for regression tests.
Andrew
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
next prev parent reply other threads:[~2007-06-11 23:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-11 23:15 Tad
2007-06-12 3:51 ` Andrew Lunn [this message]
2007-06-12 3:57 ` Tad
2007-06-12 6:54 ` Andrew Lunn
2007-06-12 15:37 ` Tad
2007-06-12 15:49 ` Lars Povlsen
2007-06-12 16:08 ` [ECOS] listen (x, 0) on new TCP incoming connections doesn't stop select()/accept() Tad
2007-06-12 4:05 ` [ECOS] Re: Re: accept() FreeBSD hangs when out of resources Tad
2007-06-12 11:06 ` Andrew Lunn
2007-06-12 11:19 ` Andrew Lunn
[not found] ` <466F2FC7.8060704@ds3switch.com>
2007-06-13 0:09 ` [ECOS] "Fix" for atHTTP and HTTP socket requirements with mozilla POSTS Tad
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=20070611230045.GI26816@lunn.ch \
--to=andrew@lunn.ch \
--cc=ecos-discuss@sources.redhat.com \
--cc=ecos_removethispart@ds3switch.com \
/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 read-only IMAP folder(s) and NNTP newsgroup(s).