From: Keir Fraser <keir@xensource.com>
To: Andres Lagar Cavilla <andreslc@cs.toronto.edu>,
xen-devel@lists.xensource.com, xen-users@lists.xensource.com
Subject: Re: Network freezing for paravirt linux, 3.0.3
Date: Tue, 28 Nov 2006 15:25:29 +0000 [thread overview]
Message-ID: <C1920569.52AE%keir@xensource.com> (raw)
In-Reply-To: <456C50DB.4090809@cs.toronto.edu>
On 28/11/06 15:08, "Andres Lagar Cavilla" <andreslc@cs.toronto.edu> wrote:
> It thus looks like the culprit is netfront, or possibly a
> netback/netfront interaction (Q: is netback employed in the qemu-dm
> emulation path, or packets are simply relayed from the tap to vifX.Y?).
> I would love to provide more information, but I'm unsure where to get it.
What version of netback are you running? The one from the 3.0.3 release is
known to have a bug which would cause high-bandwidth transfers to stall.
The offending function is netback.c:tx_add_credit(). You should be able to
take the version from xen-unstable and copy it into whatever version of
netback.c you are using.
-- Keir
next prev parent reply other threads:[~2006-11-28 15:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-28 15:08 Network freezing for paravirt linux, 3.0.3 Andres Lagar Cavilla
2006-11-28 15:19 ` [Xen-devel] " Ian Pratt
2006-11-28 15:25 ` Keir Fraser [this message]
2006-11-28 17:34 ` Andres Lagar Cavilla
2006-11-28 20:53 ` Andres Lagar Cavilla
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=C1920569.52AE%keir@xensource.com \
--to=keir@xensource.com \
--cc=andreslc@cs.toronto.edu \
--cc=xen-devel@lists.xensource.com \
--cc=xen-users@lists.xensource.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.