[Xen-users] Getting network working in HVM domU

[Derek <xen@xxxxxxxxxxxxxxxx>]

Hi all,

I now have Xen running on Intel Core2 duo system, and am running a HVM domU with Microsoft Windows XP Home Edition, cold-installed from distribution CD.

Problem is, Windows can't get to the network.

My dom0  ifconfig looks correct, as far as I can tell.  I have a DHCP server on my local network, but the Windows XP domU claims to be unable to find DHCP.  I've also tried assigning a static IP that matches my local subnet, but networking is still as dead as a dodo.  At the very end of this message, I've posted my dom0 kernel's .config file, just in case I used some wrong setting there.

Any help would be much appreciated.  I've never used linux bridging, and have no idea how to debug it.

Derek.

/etc/xen/winxp.hvm
------------------------
import os, re
arch = os.uname()[4]
if re.search('64', arch):
    arch_libdir = 'lib64'
else:
    arch_libdir = 'lib'
kernel = "/usr/lib/xen/boot/hvmloader"
builder='hvm'
memory = 512
name = "WindowsXP"
vif = [ 'type=ioemu, bridge=xenbr0' ]
disk = [ 'phy:/dev/main/win_xp_guest_domain,ioemu:hda,w' ]
device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
cdrom="/home/dereks/WinXP_Home_Edition.iso"
boot="c"
sdl=1
vnc=0
vncviewer=0
stdvga=0
serial='pty'
ne2000=0


brctl show:
--------------
bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.feffffffffff       no              
vif0.0

ifconfig:
----------
eth0      Link encap:Ethernet  HWaddr 00:60:B0:1A:46:42
          inet addr:192.168.0.12  Bcast:192.168.0.255
  Mask:255.255.255.0
          UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:47876 errors:0 dropped:0 overruns:0 frame:0
          TX packets:27199 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:66754061 (63.6 Mb)  TX bytes:2243142 (2.1 Mb)

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)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:47876 errors:0 dropped:0 overruns:0 frame:0
          TX packets:27198 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:66754061 (63.6 Mb)  TX bytes:2242552 (
2.1 Mb)

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:27199 errors:0 dropped:0 overruns:0 frame:0
          TX packets:47876 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2243142 (2.1 Mb)  TX bytes:66754061 (63.6 Mb)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:563 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:49762 (48.5 Kb)  TX bytes:0 (
0.0 b)

Extract from dom0's .config:
------------------------------------
# Networking
#
CONFIG_NET=y

#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_ASK_IP_FIB_HASH is not set
# CONFIG_IP_FIB_TRIE is not set
CONFIG_IP_FIB_HASH=y
# CONFIG_IP_PNP is not set
CONFIG_NET_IPIP=y
# CONFIG_NET_IPGRE is not set
# CONFIG_ARPD is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_BIC=y
CONFIG_IPV6=m
CONFIG_IPV6_PRIVACY=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_INET6_TUNNEL=m
CONFIG_IPV6_TUNNEL=m
# CONFIG_NETFILTER is not set

#
# DCCP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP is not set

#
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set

#
# TIPC Configuration (EXPERIMENTAL)
#
# CONFIG_TIPC is not set
CONFIG_ATM=m
# CONFIG_ATM_CLIP is not set
# CONFIG_ATM_LANE is not set
# CONFIG_ATM_BR2684 is not set
CONFIG_BRIDGE=y
CONFIG_VLAN_8021Q=m
# CONFIG_DECNET is not set
CONFIG_LLC=y
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
CONFIG_BT=m
CONFIG_BT_L2CAP=m
CONFIG_BT_SCO=m
CONFIG_BT_RFCOMM=m
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=m
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
# CONFIG_BT_CMTP is not set
CONFIG_BT_HIDP=m


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