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-users

Re: [Xen-users] dom0 networking disabled

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] dom0 networking disabled
From: "Franck" <franck@xxxxxxxxxxxxxxxxx>
Date: Fri, 16 Mar 2007 07:21:23 +0100 (CET)
Delivery-date: Thu, 15 Mar 2007 23:20:30 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
Importance: Normal
In-reply-to: <1314.66.25.182.130.1174003072.squirrel@xxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <1314.66.25.182.130.1174003072.squirrel@xxxxxxxxxxxxxxxxxx>
Reply-to: franck@xxxxxxxxxxxxxxxxx
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: SquirrelMail/1.4.4
Hi,

> Hi folks, I've been trying to work out this situation for a few days now
> without much success and dug all over the archives for similar issues,
> none of which seem to relate exactly.
>
> I installed Debian Etch and the Xen (3.03) kernels / binaries on a Dell
> server. It works fantastic with all the default configurations with one
> strange flaw - as soon as the /etc/xen/scripts/network-bridge script runs,
> dom0 loses all network connectivity. It is no longer possible to ping in
> or out of the IP for the machine, and it throws no errors, just sits on a
> blinking prompt.

i've exactly the same problem
http://lists.xensource.com/archives/html/xen-users/2007-03/msg00192.html

Franck

> I have 4 domU machines running on 4 different IPs and they all work
> perfectly, with perfect connectivity. All the default configuration files
> seem correct, and there are no firewall problems that I can see. Nothing
> gets in or out of dom0, though, from anywhere. Running
> '/etc/xen/scripts/network-bridge stop' will return eth0 to its former
> state and everything starts working again.
>
> So either I'm missing something very obvious, or something is very wrong -
> I've attached several readouts below, but let me know if any other info
> would be helpful in solving this thing, its had us stumped and seems to be
> the only thing keeping us from putting this box into production.
>
> Thanks for any insight,
>
> Kirk
>
>
>
> ***** XEND-CONFIG *****
>
> (network-script network-bridge)
>
> (vif-script vif-bridge)
>
> (dom0-min-mem 196)
>
> (dom0-cpus 0)
>
>
>
> ***** IFCONFIG AFTER NETWORK-BRIDGE *****
> eth0      Link encap:Ethernet  HWaddr 00:18:8B:30:42:1A
>           inet addr:146.6.135.253  Bcast:146.6.135.255  Mask:255.255.255.0
>           inet6 addr: fe80::218:8bff:fe30:421a/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:428106 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:954 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:90445670 (86.2 MiB)  TX bytes:51940 (50.7 KiB)
>
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:84 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:7619 (7.4 KiB)  TX bytes:7619 (7.4 KiB)
>
> peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:1511699 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:357092 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:203990694 (194.5 MiB)  TX bytes:52150776 (49.7 MiB)
>           Interrupt:16 Memory:f4000000-f4011100
>
> vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:954 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:428106 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:51940 (50.7 KiB)  TX bytes:90445670 (86.2 MiB)
>
> vif1.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:64258 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:562648 errors:0 dropped:115 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:4142652 (3.9 MiB)  TX bytes:593022036 (565.5 MiB)
>
> vif2.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:898 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:429185 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:108700 (106.1 KiB)  TX bytes:90550180 (86.3 MiB)
>
> vif3.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:875 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:429167 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:107225 (104.7 KiB)  TX bytes:90548619 (86.3 MiB)
>
> vif6.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:288128 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:724502 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:520109227 (496.0 MiB)  TX bytes:96161833 (91.7 MiB)
>
> xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
>           inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
>           UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
>           RX packets:424744 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:83800426 (79.9 MiB)  TX bytes:0 (0.0 b)
>
>
>
>
> ***** BRIDGE STATUS *****
> bridge name   bridge id               STP enabled     interfaces
> xenbr0                8000.feffffffffff       no
>               vif0.0
>                                                       peth0
>                                                       vif1.0
>                                                       vif2.0
>                                                       vif3.0
>                                                       vif6.0
>
>
>
> ***** IP TABLES ON DOM0 *****
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> ACCEPT     0    --  0.0.0.0/0            0.0.0.0/0           PHYSDEV match
> --physdev-in vif1.0
> ACCEPT     0    --  0.0.0.0/0            0.0.0.0/0           PHYSDEV match
> --physdev-in vif2.0
> ACCEPT     0    --  0.0.0.0/0            0.0.0.0/0           PHYSDEV match
> --physdev-in vif3.0
> ACCEPT     0    --  0.0.0.0/0            0.0.0.0/0           PHYSDEV match
> --physdev-in vif6.0
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
>
>
>
> ***** WORKING DOMU CONFIG *****
>
> kernel  = '/boot/vmlinuz-2.6.18-4-xen-vserver-686'
> ramdisk = '/boot/initrd.img-2.6.18-4-xen-vserver-686'
> memory  = '256'
> root    = '/dev/sda1 ro'
> disk    = [ 'file:/xenservers/domains/xentest1/disk.img,sda1,w',
> 'file:/xenservers/domains/xentest1/swap.img,sda2,w' ]
> name    = 'xentest1'
> dhcp = 'dhcp'
> vif  = [ 'mac=00:16:3E:44:43:99' ]
> on_poweroff = 'destroy'
> on_reboot   = 'restart'
> on_crash    = 'restart'
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>


-- 
http://www.linuxpourtous.com


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