On 02/18/11 15:03, 姜晓东 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' ]
> 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
> [email protected]
--
Xiaodong Jiang
[email protected]
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