On Fri, Feb 18, 2011 at 03:17:07PM +0800, 姜晓东 wrote:
> 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' ]
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
>
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