Hello.
I've just started with Xen and configuring Dom0.
My hardware is Core2Duo based Xeon server and I installed Debian etch
for amd64 architecture. The Xen related pachages installed are the
following.
linux-image-2.6.17-2-xen-amd64
linux-modules-2.6.17-2-xen-amd64
xen-hypervisor-3.0.3-1-amd64
xen-tools
xen-utils-3.0.3-1
xen-utils-common
My problem is that when xend is configure to have bridge network, Dom0
can not communicate with the external machines. I've not tried the other
DomUs yet. (I guess they cannot communicate either.)
The related part of xend-config.sxp is the following.
(network-script 'network-bridge')
(vif-script vif-bridge)
If the the above first line is replaced with (network-script network-
dummy)
then everything works correctly.
I appreciate any help to solve this problem.
Here are something about status and logs.
The routing definition becomes different under the network-bridge. I
tried
to invoke place a link /etc/rc0.d/S34xend -> /etc/init.d/xend but it
did not
solve the problem.
Under network-bridge
# netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window
irtt Iface
10.140.202.0 0.0.0.0 255.255.254.0 U 0
0 0 eth0
0.0.0.0 10.140.203.254 0.0.0.0 UG 0
0 0 eth0
Under network-dummy
# netstat -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window
irtt Iface
localnet * 255.255.254.0 U 0
0 0 eth0
default 10.140.203.254 0.0.0.0 UG 0
0 0 eth0
From /var/log/messages
kernel: eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B1) PCI-X
64-bit 133MHz found at mem ce000000, IRQ 16, node addr 00145e18c59f
...
kernel: bnx2: eth0 NIC Link is Up, 1000 Mbps full duplex
...
kernel: Bridge firewalling registered
kernel: device vif0.0 entered promiscuous mode
kernel: audit(1165827245.987:2): dev=vif0.0 prom=256 old_prom=0
auid=4294967295
kernel: xenbr0: port 1(vif0.0) entering learning state
kernel: xenbr0: topology change detected, propagating
kernel: xenbr0: port 1(vif0.0) entering forwarding state
kernel: ADDRCONF(NETDEV_UP): peth0: link is not ready
kernel: bnx2: peth0 NIC Link is Up, 1000 Mbps full duplex
kernel: ADDRCONF(NETDEV_CHANGE): peth0: link becomes ready
kernel: device peth0 entered promiscuous mode
kernel: audit(1165827249.211:3): dev=peth0 prom=256 old_prom=0
auid=4294967295
kernel: xenbr0: port 2(peth0) entering learning state
kernel: xenbr0: topology change detected, propagating
kernel: xenbr0: port 2(peth0) entering forwarding state
From /var/log/xen/xen.log
[2006-12-11 17:54:04 xend 4490] INFO (__init__:1072) Xend Daemon
started
[2006-12-11 17:54:04 xend 4490] INFO (__init__:1072) Xend changeset:
Tue Oct 17
22:09:52 2006 +0100 .
[2006-12-11 17:54:04 xend.XendDomainInfo 4490] DEBUG (__init__:1072)
XendDomainI
nfo.recreate({'paused': 0, 'cpu_time': 11483528780L, 'ssidref': 0,
'handle': [0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'shutdown_reason': 0,
'dying': 0,
'dom': 0, 'mem_kb': 5021444, 'maxmem_kb': 17179869180,
'max_vcpu_id': 3, 'crash
ed': 0, 'running': 1, 'shutdown': 0, 'online_vcpus': 4, 'blocked': 0})
[2006-12-11 17:54:04 xend.XendDomainInfo 4490] INFO (__init__:1072)
Recreating d
omain 0, UUID 00000000-0000-0000-0000-000000000000.
[2006-12-11 17:54:04 xend.XendDomainInfo 4490] WARNING (__init__:
1072) No vm pat
h in store for existing domain 0
[2006-12-11 17:54:04 xend.XendDomainInfo 4490] DEBUG (__init__:1072)
Storing VM
details: {'shadow_memory': '0', 'uuid':
'00000000-0000-0000-0000-000000000000',
'on_reboot': 'restart', 'on_poweroff': 'destroy', 'name':
'Domain-0', 'xend/rest
art_count': '0', 'vcpus': '4', 'vcpu_avail': '3', 'memory': '4904',
'on_crash':
'restart', 'maxmem': '4904'}
[2006-12-11 17:54:04 xend.XendDomainInfo 4490] DEBUG (__init__:1072)
Storing dom
ain details: {'cpu/1/availability': 'online', 'cpu/3/availability':
'offline', '
name': 'Domain-0', 'console/limit': '1048576', 'cpu/2/availability':
'offline',
'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/
0/availabil
ity': 'online', 'memory/target': '5021696'}
[2006-12-11 17:54:04 xend 4490] DEBUG (__init__:1072) number of
vcpus to use is 2
[2006-12-11 17:54:05 xend.XendDomainInfo 4490] DEBUG (__init__:1072)
XendDomainI
nfo.handleShutdownWatch
Output of some commnds
# brctl show
bridge name bridge id STP enabled interfaces
xenbr0 8000.feffffffffff no vif0.0
peth0
# ifconfig
eth0 Link encap:Ethernet HWaddr 00:14:5E:18:C5:9F
inet addr:10.140.203.84 Bcast:10.140.203.255
Mask:255.255.254.0
inet6 addr: fe80::214:5eff:fe18:c59f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:133 errors:0 dropped:0 overruns:0 frame:0
TX packets:60 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:21923 (21.4 KiB) TX bytes:5019 (4.9 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:38 errors:0 dropped:0 overruns:0 frame:0
TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2880 (2.8 KiB) TX bytes:2880 (2.8 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:197 errors:0 dropped:0 overruns:0 frame:0
TX packets:57 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:27309 (26.6 KiB) TX bytes:5637 (5.5 KiB)
Interrupt:16 Memory:ce000000-ce011100
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:60 errors:0 dropped:0 overruns:0 frame:0
TX packets:133 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:5019 (4.9 KiB) TX bytes:21923 (21.4 KiB)
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:187 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:23880 (23.3 KiB) TX bytes:0 (0.0 b)
Thank you.
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