Re: [Xen-API] [Xen-Users] eth0 on hvm is not up on xen 4.0.1

[Xiaodong Jiang <jxd431@xxxxxxxxx>]

I have tried to use 'eth0', but still have this problem

ä 2011å02æ22æ 06:48, Konrad Rzeszutek Wilk åé:
> On Fri, Feb 18, 2011 at 03:17:07PM +0800, åæä wrote:
>> On 02/18/11 15:03, åæä wrote:
>>> Hi,all.
>>>
>>> I create a hvm which boot up from gentoo livecd iso file, the config
>>> file 'xen/configs/gentoo' is as follows:
>>> ------------------------------
>>> #  -*- mode: python; -*-
>>> import os, re
>>> arch_libdir = 'lib'
>>> arch = os.uname()[4]
>>> if os.uname()[0] == 'Linux' and re.search('64', arch):
>>>     arch_libdir = 'lib64'
>>> kernel = "/usr/lib/xen/boot/hvmloader"
>>> builder='hvm'
>>> memory = 2048
>>> shadow_memory = 8
>>> name = "centos"
>>> vcpus=1
>>> vif = [ 'type=ioemu, mac=00:16:3e:00:00:12, bridge=xenbr0' ]
> So you are using 'xenbr0' but your brctl show the name of the bridge is 
> 'eth0'?
> Why 'xenbr0'?
>>> disk = [
>>> 'phy:/dev/sda6,sda,w','file:/root/downloads/install-amd64-minimal-20110113.iso,hdc:cdrom,r'
>>> ]
>>> cdrom = 'dev/hdc'
>>> device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
>>> boot="dc"
>>> sdl=0
>>> opengl=0
>>> vnc=1
>>> vnclisten="0.0.0.0"
>>> vncpasswd=''
>>> vncconsole=1
>>> stdvga=0
>>> serial='pty'
>>> usbdevice='tablet'
>>> ------------------------------
>>>
>>> Then i create this vm using command:
>>> xm create /xen/configs/gentoo
>>>
>>>
>>> When i entered into the console of this vm, I cannot see eth0 using
>>> ifconfig command but only see lo interface is up
>>>
>>> The tail of /var/log/messages on dom0 is as following:
>>> -----------------------------------------------
>>> Feb 18 22:50:20 server kernel: device tap1.0 entered promiscuous mode
>>> Feb 18 22:50:20 server kernel: eth0: port 3(tap1.0) entering
>>> forwarding state
>>> Feb 18 22:50:21 server logger: /etc/xen/scripts/block: Writing
>>> backend/vbd/1/5632/node /dev/loop0 to xenstore.
>>> Feb 18 22:50:21 server logger: /etc/xen/scripts/block: Writing
>>> backend/vbd/1/5632/physical-device 7:0 to xenstore.
>>> Feb 18 22:50:21 server kernel: (cdrom_add_media_watch()
>>> file=/usr/src/linux-2.6.34-xen-r4/drivers/xen/blkback/cdrom.c,
>>> line=108) nodename:backend/vbd/1/5632
>>> Feb 18 22:50:21 server kernel: (cdrom_is_type()
>>> file=/usr/src/linux-2.6.34-xen-r4/drivers/xen/blkback/cdrom.c,
>>> line=95) type:1
>>> Feb 18 22:50:21 server kernel: (cdrom_add_media_watch()
>>> file=/usr/src/linux-2.6.34-xen-r4/drivers/xen/blkback/cdrom.c,
>>> line=110) is a cdrom
>>> Feb 18 22:50:21 server kernel: (cdrom_add_media_watch()
>>> file=/usr/src/linux-2.6.34-xen-r4/drivers/xen/blkback/cdrom.c,
>>> line=112) xenstore wrote OK
>>> Feb 18 22:50:21 server kernel: (cdrom_is_type()
>>> file=/usr/src/linux-2.6.34-xen-r4/drivers/xen/blkback/cdrom.c,
>>> line=95) type:1
>>> Feb 18 22:50:21 server logger: /etc/xen/scripts/block: Writing
>>> backend/vbd/1/5632/hotplug-status connected to xenstore.
>>> Feb 18 22:50:36 server kernel: eth0: port 3(tap1.0) entering disabled
>>> state
>>> Feb 18 22:50:36 server kernel: device tap1.0 left promiscuous mode
>>> Feb 18 22:50:36 server kernel: eth0: port 3(tap1.0) entering disabled
>>> state
>>> Feb 18 22:51:32 server kernel: blkback: ring-ref 8, event-channel 5,
>>> protocol 1 (x86_64-abi)
>>> Feb 18 22:51:32 server logger: /etc/xen/scripts/vif-bridge: offline
>>> XENBUS_PATH=backend/vif/1/0
>>> Feb 18 22:51:32 server kernel: eth0: port 2(vif1.0) entering disabled
>>> state
>>> Feb 18 22:51:32 server kernel: eth0: port 2(vif1.0) entering disabled
>>> state
>>> Feb 18 22:51:32 server logger: /etc/xen/scripts/vif-bridge: brctl
>>> delif eth0 vif1.0 failed
>>> Feb 18 22:51:32 server logger: /etc/xen/scripts/vif-bridge: ifconfig
>>> vif1.0 down failed
>>> Feb 18 22:51:32 server logger: /etc/xen/scripts/vif-bridge: Successful
>>> vif-bridge offline for vif1.0, bridge eth0.
>>> -----------------------------------------------
>>>
>>> When i booting hvm, i can see tap1.0 and vif 1.0 is up but then they
>>> disappeared while booting finished
>>> ------------------------------------------------
>>> server log # ifconfig
>>> eth0      Link encap:Ethernet  HWaddr 00:25:90:08:c3:8a 
>>>           inet addr:192.168.1.3  Bcast:192.168.255.255  Mask:255.255.0.0
>>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>>           RX packets:4272 errors:0 dropped:0 overruns:0 frame:0
>>>           TX packets:3743 errors:0 dropped:0 overruns:0 carrier:0
>>>           collisions:0 txqueuelen:0
>>>           RX bytes:322797 (315.2 KiB)  TX bytes:906019 (884.7 KiB)
>>>
>>> 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 00:25:90:08:c3:8a 
>>>           UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>>>           RX packets:4278 errors:0 dropped:0 overruns:0 frame:0
>>>           TX packets:3747 errors:0 dropped:0 overruns:0 carrier:0
>>>           collisions:0 txqueuelen:1000
>>>           RX bytes:382965 (373.9 KiB)  TX bytes:906161 (884.9 KiB)
>>>           Memory:fbce0000-fbd00000
>>>
>>> ppp0      Link encap:Point-to-Point Protocol 
>>>           inet addr:222.129.49.152  P-t-P:222.129.48.1 
>>> Mask:255.255.255.255
>>>           UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Metric:1
>>>           RX packets:3261 errors:0 dropped:0 overruns:0 frame:0
>>>           TX packets:2736 errors:0 dropped:0 overruns:0 carrier:0
>>>           collisions:0 txqueuelen:3
>>>           RX bytes:249113 (243.2 KiB)  TX bytes:815361 (796.2 KiB)
>>>
>>> vif1.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff 
>>>           UP BROADCAST RUNNING PROMISC MULTICAST  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:32
>>>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>>> ---------------------------------------------------------
>>>
>>> While booting finished, the brctl shows as following:
>>> -----------------------------------------------------------
>>> server log # brctl show
>>> bridge name    bridge id        STP enabled    interfaces
>>> eth0        8000.00259008c38a    no        peth0
>>> ----------------------------------------------------------
>>>
>>>
>>> I tried to change vif type to netfront, eth0 interface is up after
>>> booting from gentoo livecd. I don't understand why xen failed to load
>>> eth0 using 'type=ioemu'?
>>>
>>> Anyone help me?
>>> -- 
>>> Xiaodong Jiang
>>> jxd431@xxxxxxxxx
>>
>> -- 
>> Xiaodong Jiang
>> jxd431@xxxxxxxxx
>>
>> _______________________________________________
>> xen-api mailing list
>> xen-api@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/mailman/listinfo/xen-api


-- 
Xiaodong Jiang
jxd431@xxxxxxxxx


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