Hi all,
I have installed a Debian 4.0 (newly released), compiled and installed Xen.
All went as I am used to from Ubuntu.
I created a new guest with Debian Etch debootstrap, and it boots without
problems. But it can not fetch an IP address from my DHCP server
(10.13.15.1). When I use TCPDump on xenbr0, it only shows the requets being
transmitted but nothing is recieved. 
I hope I have included all relevant information below, and I hope someone
can help me where to look for the cause. I have searched widely in the Wiki,
google and mailinglist.
Once I suceed, I will post an new article on the Wiki with a step-by-step
guide to compiling and installing Xen from source on Debian 4.0.
Thank you very much in advance
Best regards
Nicolai
 
root@judas:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0E:A6:F9:95:61
 inet addr:10.13.15.50 Bcast:10.13.15.255 Mask:255.255.255.0
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:677 errors:0 dropped:0 overruns:0 frame:0
 TX packets:522 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000
 RX bytes:85879 (83.8 KiB) TX bytes:96248 (93.9 KiB)
 Interrupt:17 Base address:0x6000
lo Link encap:Local Loopback
 inet addr:127.0.0.1 Mask:255.0.0.0
 UP LOOPBACK RUNNING MTU:16436 Metric:1
 RX packets:0 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:0 (0.0 b) TX bytes:0 (0.0 b)
xenbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
 UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
 RX packets:0 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:0 (0.0 b) TX bytes:0 (0.0 b)
 
root@judas:~# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
root@judas:~#
Console during startup:
Setting up networking....
Configuring network interfaces...Internet Systems Consortium DHCP Client
V3.0.4
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth0/00:16:3e:00:01:03
Sending on LPF/eth0/00:16:3e:00:01:03
Sending on Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
No DHCPOFFERS received.
After the startup - notice that vifl1.0 and xenbr0 recieves data, but
nothing is transmitted
root@judas:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0E:A6:F9:95:61
 inet addr:10.13.15.50 Bcast:10.13.15.255 Mask:255.255.255.0
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:960 errors:0 dropped:0 overruns:0 frame:0
 TX packets:826 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000
 RX bytes:108668 (106.1 KiB) TX bytes:203020 (198.2 KiB)
 Interrupt:17 Base address:0x6000
lo Link encap:Local Loopback
 inet addr:127.0.0.1 Mask:255.0.0.0
 UP LOOPBACK RUNNING MTU:16436 Metric:1
 RX packets:0 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:0 (0.0 b) TX bytes:0 (0.0 b)
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
 UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
 RX packets:15 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:32
 RX bytes:3420 (3.3 KiB) TX bytes:0 (0.0 b)
xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
 UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
 RX packets:15 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:3420 (3.3 KiB) TX bytes:0 (0.0 b)
root@judas:~# brctl show
bridge name bridge id STP enabled interfaces
xenbr0 8000.feffffffffff no vif1.0
deamon.log:
Apr 15 17:17:44 judas logger: /etc/xen/scripts/block: add
XENBUS_PATH=backend/vbd/1/770
Apr 15 17:17:44 judas logger: /etc/xen/scripts/block: add
XENBUS_PATH=backend/vbd/1/769
Apr 15 17:17:45 judas logger: /etc/xen/scripts/vif-bridge: online
XENBUS_PATH=backend/vif/1/0
Apr 15 17:17:45 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/769/node /dev/loop0 to xenstore.
Apr 15 17:17:45 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/769/physical-device 7:0 to xenstore.
Apr 15 17:17:45 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/769/hotplug-status connected to xenstore.
Apr 15 17:17:45 judas logger: /etc/xen/scripts/vif-bridge: Successful
vif-bridge online for vif1.0, bridge xenbr0.
Apr 15 17:17:45 judas logger: /etc/xen/scripts/vif-bridge: Writing
backend/vif/1/0/hotplug-status connected to xenstore.
Apr 15 17:17:46 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/770/node /dev/loop1 to xenstore.
Apr 15 17:17:46 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/770/physical-device 7:1 to xenstore.
Apr 15 17:17:46 judas logger: /etc/xen/scripts/block: Writing
backend/vbd/1/770/hotplug-status connected to xenstore.
messages:
Apr 15 17:16:14 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.reason
Apr 15 17:16:14 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.reason
Apr 15 17:16:16 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.host_name
Apr 15 17:16:16 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.domain_name
Apr 15 17:16:16 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.nis_domain
Apr 15 17:16:16 judas dhcdbd: message_handler: message handler not found
under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.nis_servers
Apr 15 17:16:17 judas kernel: Bridge firewalling registered
Apr 15 17:17:45 judas kernel: device vif1.0 entered promiscuous mode
Apr 15 17:17:45 judas kernel: ip_tables: (C) 2000-2006 Netfilter Core Team
Apr 15 17:17:49 judas kernel: xenbr0: port 1(vif1.0) entering learning state
Apr 15 17:17:49 judas kernel: xenbr0: topology change detected, propagating
Apr 15 17:17:49 judas kernel: xenbr0: port 1(vif1.0) entering forwarding
state
xend-debug.log:
Xend started at Sun Apr 15 17:16:16 2007.
ifdown: interface eth0 not configured
SIOCSIFNAME: Device or resource busy
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