WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

RE: [Xen-devel] Network freezing for paravirt linux, 3.0.3

To: "Andres Lagar Cavilla" <andreslc@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Network freezing for paravirt linux, 3.0.3
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 28 Nov 2006 15:19:52 -0000
Delivery-date: Tue, 28 Nov 2006 07:20:31 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <456C50DB.4090809@xxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AccS/vkeeuAqTId0T6myoSrcUHCQsAAAV4nQ
Thread-topic: [Xen-devel] Network freezing for paravirt linux, 3.0.3
> At points in the game domU networking completely freezes, becoming
> unresponsive to ssh, ping, the openGL transport, and other services I
> tried. Other simptoms:
>     - Tcpdump reveals that the only traffic on the vifX.Y are inbound
> broadcasts.
>     - There are no dropped packets (as shown by ifconfig and
> /proc/net/dev).
>     - Happens with both transmit checksumming offload enabled and
disabled.
>     - Measured from both dom0 and domU.
>     - Both with network bridging and routing.
>     - Did not happen for an hvm doing network emulation (did happen
for
> PV-on-HVM network driver).
>     - For whatever it's worth, doesn't happen with vmware network
> emulation either.

Do you have dom0 directly on the bridge or via a netloop device as per
the normal scripts (i.e. you have both a peth0 and eth0)? Can you repro
on xen-unstable?

Ian

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>