On Wed, 2009-06-17 at 16:01 +0930, Donglai Zhang wrote:
> Hi,
>
> Xen version : xen-3.4
> and guest domain OS Ubuntu 9.04
> dom0 OS Fedora release 7
> The ethernet is: Intel EtherExpress Pro 100B
> CPU: Intel(R) Core(TM)2 CPU @2.13GHz.
>
> Cheers,
>
> Donglai
>
> On Wed, Jun 17, 2009 at 3:32 PM, Pallab Chakrabarty
> <pchakrabarty@xxxxxxxxxxxxxxx> wrote:
>
>
> This is kernel no, I need xen ver , os make & h/w details..
>
> - regards
> Pallab
>
>
>
>
>
> -----Original Message-----
> From: Donglai Zhang [mailto:dlzhangster@xxxxxxxxx]
> Sent: Wednesday, June 17, 2009 11:30 AM
> To: Pallab Chakrabarty; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Can't get guest domain network
> working!
>
> Xen version is 2.6.18.8-xen.
>
> regards,
>
> Donglai
>
>
>
>
>
> On Wed, Jun 17, 2009 at 3:26 PM, Pallab Chakrabarty
> <pchakrabarty@xxxxxxxxxxxxxxx> wrote:
>
>
>
> What's of your Xen and OS make/ver?
>
> - regards
> Pallab
>
>
>
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Donglai Zhang
> Sent: Wednesday, June 17, 2009 11:16 AM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Can't get guest domain network working!
>
> Hi, there:
>
> I have installed xen(2.6.18.8-xen) and had
> successfully started domU guests (one or two) from dom0.
> However, I am
> not able to start the network for domU machines.
>
> Following is the information from my linux box.
> After the it is started:
> $ ifconfig
> eth1 Link encap:Ethernet HWaddr 00:A0:C9:D6:65:DB
> inet addr:XXX.XXX.10.133 Bcast:XXX.XXX.10.255
> Mask:255.255.255.0
> inet6 addr: fe80::2a0:c9ff:fed6:65db/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:196716 errors:0 dropped:0 overruns:0
> frame:1
> TX packets:82301 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:91072761 (86.8 MiB) TX bytes:15558692
> (14.8 MiB)
> Interrupt:18
>
> 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:6440 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:6440 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:0
> RX bytes:55534272 (52.9 MiB) TX bytes:55534272
> (52.9 MiB)
>
> ////////////Start xend
> #xend start
> Nothing to flush.
> Waiting for peth1 to negotiate link.
> # ifconfig
> eth1 Link encap:Ethernet HWaddr 00:A0:C9:D6:65:DB
> inet addr:XXX.XXX.10.133 Bcast:XXX.XXX.10.255
> Mask:255.255.255.0
> inet6 addr: fe80::2a0:c9ff:fed6:65db/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:25 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:40 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:0
> RX bytes:3277 (3.2 KiB) TX bytes:10992 (10.7 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:6440 errors:0 dropped:0 overruns:0
> frame:0
> TX packets:6440 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:0
> RX bytes:55534272 (52.9 MiB) TX bytes:55534272
> (52.9 MiB)
>
> peth1 Link encap:Ethernet HWaddr 00:A0:C9:D6:65:DB
> inet6 addr: fe80::2a0:c9ff:fed6:65db/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:196767 errors:0 dropped:0 overruns:0
> frame:1
> TX packets:82358 errors:0 dropped:0 overruns:0
> carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:91080163 (86.8 MiB) TX bytes:15574125
> (14.8 MiB)
> Interrupt:18
>
> /////////////The peth1 and eth1 are all available and check
> the bridge...
> # brctl show
> bridge name bridge id STP enabled
> interfaces
> eth1 8000.00a0c9d665db no peth1
>
> ///////////The name of the bridge is "eth1" and interface
> "peth1" has been
> added to the bridge.
>
> ///////////Configure the configuration file for the guest
> domain
>
> ************The content of XmGuest.conf*********
> kernel = "/boot/vmlinuz-2.6.18.8-xen-U"
> memory = 256
> name = "ExampleDomain03"
> vif = [ 'mac=00:16:3e:31:48:5f', 'bridge=eth1' ] ###The
> bridge is given
> name eth1
> disk = [ 'phy:sda7,sda7,w' ]
> dhcp="off"
> ip='XXX.XXX.10.134'
> netmask="255.255.255.0"
> gateway="XXX.XXX.10.99" #The gateway is the same as the one
> used by dom0
> network.
> hostname="helloworld"
>
> root = "/dev/sda7 ro"
> extra = "4"
> extra = "xencons=tty"
> ***************XmGuest.conf finish here**********************
>
> //////Copy /lib/modules/2.6.18.8-xen/ directory to the guest
> domain disk.
> There are some exceptions
> //////from guest domain if I don't do this.
>
> cp -r /lib/modules/2.6.18.8-xen/ /mnt/ubuntu_sda7/lib/modues/
>
> //////Now start the guest domain
>
> # xm create XmGuest.conf
> Using config file "./XmGuest.conf".
> Started domain ExampleDomain03 (id=11)
>
> ///////show xm domains
> # xm list
> Name ID Mem VCPUs
> State
> Time(s)
> Domain-0 0 510 2
> r-----
> 4443.7
> ExampleDomain03 11 256 1
> -b----
> 9.3
>
> /////////check bridge from dom0
> # brctl show
> bridge name bridge id STP enabled
> interfaces
> eth1 8000.00a0c9d665db no
> vif11.1
>
> vif11.0
>
> peth1
> ///////////The bridge has bounded the guest interface.
>
> ////////////On domU guest
>
> dlzhang@dlzhang-desktop:~$ ifconfig
> eth0 Link encap:Ethernet HWaddr 00:16:3e:31:48:5f
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:365 errors:0 dropped:0 overruns:0 frame:0
> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:28617 (28.6 KB) TX bytes:1368 (1.3 KB)
>
> eth1 Link encap:Ethernet HWaddr 00:16:3e:08:da:f6
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:363 errors:0 dropped:0 overruns:0 frame:0
> TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:28085 (28.0 KB) TX bytes:1368 (1.3 KB)
>
> 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)
>
> ///////////The network has not been configured successfully.
> ///////////The eth0 Hardware address is set, but not the ip
> address
>
> dlzhang@dlzhang-desktop:/etc$ ping XXX.XXX.10.133
> connect: Network is unreachable
>
>
> I have tried with different linux box and different domU, all
> got the
> similar problem.
>
>
> Would you please give some hints about what might go wrong?
>
>
> Thanks a lot !
>
> Donglai Zhang
Looks to me like this configuration file is trying to boot a Fedora Xen
DomU kernel on an Ubuntu image? If so that would explain why you are
having to copy over the kernel module files.
I would suggest that you either copy the Ubuntu DomU kernel (and
possibly the initrd) to the Dom0 file system somewhere and specify that
in the kernel= line, or specifiy a
bootloader="/usr/bin/pygrub"
line instead of the kernel= line so that Ubuntu Xen DomU kernel is
loaded from the guest file system. The later is the better option in my
opinion.
It is odd that the DomU is showing 2 interfaces when only one is
defined, but lets make sure that the correct kernel/modules are loaded
first.
Regards
Mike
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