On Wed, 2006-08-30 at 13:24 +1000, Hilton Day wrote:
> After some reading, it appears the problem is that the bridge device
> gets named differently than expected by the xenguest-install.py script.
>
I filed a BZ on this:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=205148
Thanks,
Sam
> The bridge interface created by the network-bridge script was called
> "xenbr2", as it was bridging device eth2.
>
> Changing my xend-config.sxp to force the name of the bridge device to be
> "xenbr0" enabled the domU to access the bridge device and get an address
> via dhcp. The change made was to alter the line that calls the bridge
> script in xend-config.sxp to be:
>
> (network-script 'network-bridge netdev=eth2 bridge=xenbr0')
>
> Looks like the xenguest-install.py is hardcoded with the bridge device
> on line 174:
>
> vif = [ 'type=ioemu,bridge=xenbr0,mac=%(mac)s' ]
>
> Hilton.
>
> Hilton Day wrote:
> > Hi,
> >
> > I'm running with fc5, kernel-xen0-2.6.17-1.2174.
> >
> > Yesterday I had a working Xen installation with a domU also running
> > FC5, same kernel, udev, xen, libvirt, and same hardware.
> >
> > Following a rebuild of the host and reinstall/update of FC5 to same
> > update levels, I'm now hitting a problem installing a domU, where it
> > appears its not setting up a bridged interface for the domU. I think
> > it might be hotplug related?
> >
> > I've got the same udev, and its running, and I can see the rules files
> > in /etc/udev/rules.d.
> >
> > Below is the output of several logs and commands.. as far as I can
> > see, the network-bridge script is good, and its set up my interfaces
> > correctly. One minor complication is that my bridged ethernet card is
> > on device eth2, but I've got the amendment in xend-config.sxp to call
> > "(network-script 'network-bridge netdev=eth2')".
> >
> > I checked the kernel-xen list in bugzilla but couldn't find anything
> > there on hotplug problems.
> >
> > Any help in figuring out the root cause would be much appreciated!
> > Having gone from working to not-working in a reinstall of the same
> > setup has me very confused.
> >
> > #### brctl show ####
> > bridge name bridge id STP enabled interfaces
> > xenbr2 8000.feffffffffff no peth2
> > vif0.2
> >
> > #### ifconfig ####
> > eth2 Link encap:Ethernet HWaddr 00:14:6C:8C:2E:25 inet
> > addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0
> > inet6 addr: fe80::214:6cff:fe8c:2e25/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:353 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:396 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:42427 (41.4 KiB) TX bytes:97320 (95.0 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:660 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:660 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:3375221 (3.2 MiB) TX bytes:3375221 (3.2 MiB)
> >
> > peth2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF inet6
> > addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> > UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
> > RX packets:362 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:457 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:43683 (42.6 KiB) TX bytes:104598 (102.1 KiB)
> > Interrupt:18
> >
> > vif0.2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF inet6
> > addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:396 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:354 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:97320 (95.0 KiB) TX bytes:42517 (41.5 KiB)
> >
> > xenbr2 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF inet6
> > addr: fe80::200:ff:fe00:0/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:62 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:9920 (9.6 KiB) TX bytes:468 (468.0 b)
> >
> > #### /var/log/xen-hotplug.log ####
> > interface vif1.0 does not exist!
> >
> > #### /var/log/xend.log ####
> > [2006-08-30 11:17:25 xend] INFO (SrvDaemon:283) Xend Daemon started
> > [2006-08-30 11:17:25 xend] INFO (SrvDaemon:287) Xend changeset:
> > unavailable .
> > [2006-08-30 11:17:25 xend.XendDomainInfo] DEBUG (XendDomainInfo:207)
> > XendDomainInfo.recreate({'paused': 0, 'cpu_time': 10867218609L,
> > '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': 961860,
> > 'maxmem_kb': -4, 'max_vcpu_id': 0, 'crashed': 0, 'running': 1,
> > 'shutdown': 0, 'online_vcpus': 1, 'blocked': 0})
> > [2006-08-30 11:17:25 xend.XendDomainInfo] INFO (XendDomainInfo:219)
> > Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000.
> > [2006-08-30 11:17:25 xend.XendDomainInfo] WARNING (XendDomainInfo:241)
> > No vm path in store for existing domain 0
> > [2006-08-30 11:17:25 xend.XendDomainInfo] DEBUG (XendDomainInfo:701)
> > Storing VM details: {'name': 'Domain-0', 'on_reboot': 'restart',
> > 'on_poweroff': 'destroy', 'uuid':
> > '00000000-0000-0000-0000-000000000000', 'on_crash': 'restart',
> > 'vcpus': '1', 'vcpu_avail': '1', 'memory': '940', 'maxmem': '940'}
> > [2006-08-30 11:17:25 xend.XendDomainInfo] DEBUG (XendDomainInfo:736)
> > Storing domain details: {'cpu/0/availability': 'online',
> > 'memory/target': '962560', 'name': 'Domain-0', 'console/limit':
> > '1048576', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid':
> > '0'}
> > [2006-08-30 11:17:25 xend] DEBUG (XendDomain:153) number of vcpus to
> > use is 0
> > [2006-08-30 11:17:25 xend.XendDomainInfo] DEBUG (XendDomainInfo:919)
> > XendDomainInfo.handleShutdownWatch
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:185)
> > XendDomainInfo.create(['vm', ['name', 'xen-www'], ['memory', '256'],
> > ['maxmem', '256'], ['vcpus', '1'], ['on_poweroff', 'destroy'],
> > ['on_reboot', 'destroy'], ['on_crash', 'destroy'], ['image', ['linux',
> > ['kernel', '/var/lib/xen/vmlinuz.1WDQ9c'], ['ramdisk',
> > '/var/lib/xen/initrd.img.jBbqHv'], ['args', ' root=/dev/xvd
> > method=ftp://virtual/pub ']]], ['device', ['vbd', ['dev',
> > '/dev/xvda'], ['uname', 'file:/dev/raid/xen_www'], ['mode', 'w']]],
> > ['device', ['vif', ['mac', '00:16:3e:11:48:67'], ['bridge', 'xenbr0'],
> > ['script', '/etc/xen/scripts/vif-bridge']]]])
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:291)
> > parseConfig: config is ['vm', ['name', 'xen-www'], ['memory', '256'],
> > ['maxmem', '256'], ['vcpus', '1'], ['on_poweroff', 'destroy'],
> > ['on_reboot', 'destroy'], ['on_crash', 'destroy'], ['image', ['linux',
> > ['kernel', '/var/lib/xen/vmlinuz.1WDQ9c'], ['ramdisk',
> > '/var/lib/xen/initrd.img.jBbqHv'], ['args', ' root=/dev/xvd
> > method=ftp://virtual/pub ']]], ['device', ['vbd', ['dev',
> > '/dev/xvda'], ['uname', 'file:/dev/raid/xen_www'], ['mode', 'w']]],
> > ['device', ['vif', ['mac', '00:16:3e:11:48:67'], ['bridge', 'xenbr0'],
> > ['script', '/etc/xen/scripts/vif-bridge']]]]
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:390)
> > parseConfig: result is {'uuid': None, 'on_crash': 'destroy',
> > 'on_reboot': 'destroy', 'image': ['linux', ['kernel',
> > '/var/lib/xen/vmlinuz.1WDQ9c'], ['ramdisk',
> > '/var/lib/xen/initrd.img.jBbqHv'], ['args', ' root=/dev/xvd
> > method=ftp://virtual/pub ']], 'on_poweroff': 'destroy',
> > 'bootloader_args': None, 'cpus': None, 'name': 'xen-www', 'backend':
> > [], 'vcpus': 1, 'cpu_weight': None, 'features': None, 'vcpu_avail':
> > None, 'memory': 256, 'device': [('vbd', ['vbd', ['dev', '/dev/xvda'],
> > ['uname', 'file:/dev/raid/xen_www'], ['mode', 'w']]), ('vif', ['vif',
> > ['mac', '00:16:3e:11:48:67'], ['bridge', 'xenbr0'], ['script',
> > '/etc/xen/scripts/vif-bridge']])], 'bootloader': None, 'cpu': None,
> > 'maxmem': 256}
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:1216)
> > XendDomainInfo.construct: None
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:1248)
> > XendDomainInfo.initDomain: 1 1.0
> > [2006-08-30 11:22:23 xend] DEBUG (balloon:134) Balloon: free 62; need
> > 257; retries: 10.
> > [2006-08-30 11:22:23 xend] DEBUG (balloon:143) Balloon: setting dom0
> > target to 745.
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:987)
> > Setting memory target of domain Domain-0 (0) to 745 MiB.
> > [2006-08-30 11:22:23 xend] DEBUG (balloon:128) Balloon: free 257; need
> > 257; done.
> > [2006-08-30 11:22:23 xend] INFO (image:134) buildDomain os=linux dom=1
> > vcpus=1
> > [2006-08-30 11:22:23 xend] DEBUG (image:177) dom = 1
> > [2006-08-30 11:22:23 xend] DEBUG (image:178) image =
> > /var/lib/xen/vmlinuz.1WDQ9c
> > [2006-08-30 11:22:23 xend] DEBUG (image:179) store_evtchn = 1
> > [2006-08-30 11:22:23 xend] DEBUG (image:180) console_evtchn = 2
> > [2006-08-30 11:22:23 xend] DEBUG (image:181) cmdline =
> > root=/dev/xvd method=ftp://virtual/pub
> > [2006-08-30 11:22:23 xend] DEBUG (image:182) ramdisk =
> > /var/lib/xen/initrd.img.jBbqHv
> > [2006-08-30 11:22:23 xend] DEBUG (image:183) vcpus = 1
> > [2006-08-30 11:22:23 xend] DEBUG (image:184) features =
> > [2006-08-30 11:22:23 xend] DEBUG (blkif:24) exception looking up
> > device number for /dev/xvda: [Errno 2] No such file or directory:
> > '/dev/xvda'
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:110) DevController:
> > writing {'virtual-device': '51712', 'backend-id': '0', 'state': '1',
> > 'backend': '/local/domain/0/backend/vbd/1/51712'} to
> > /local/domain/1/device/vbd/51712.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:112) DevController:
> > writing {'domain': 'xen-www', 'frontend':
> > '/local/domain/1/device/vbd/51712', 'dev': '/dev/xvda', 'state': '1',
> > 'params': '/dev/raid/xen_www', 'mode': 'w', 'frontend-id': '1',
> > 'type': 'file'} to /local/domain/0/backend/vbd/1/51712.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:110) DevController:
> > writing {'backend-id': '0', 'mac': '00:16:3e:11:48:67', 'handle': '0',
> > 'state': '1', 'backend': '/local/domain/0/backend/vif/1/0'} to
> > /local/domain/1/device/vif/0.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:112) DevController:
> > writing {'bridge': 'xenbr0', 'domain': 'xen-www', 'handle': '0',
> > 'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
> > '/local/domain/1/device/vif/0', 'mac': '00:16:3e:11:48:67',
> > 'frontend-id': '1'} to /local/domain/0/backend/vif/1/0.
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:701)
> > Storing VM details: {'uuid': '5b6415d8-f3a6-d64b-67c8-d8f7afb98e95',
> > 'on_reboot': 'destroy', 'start_time': '1156900943.67', 'on_poweroff':
> > 'destroy', 'name': 'xen-www', 'vcpus': '1', 'vcpu_avail': '1',
> > 'memory': '256', 'on_crash': 'destroy', 'image': "(linux (kernel
> > /var/lib/xen/vmlinuz.1WDQ9c) (ramdisk /var/lib/xen/initrd.img.jBbqHv)
> > (args ' root=/dev/xvd method=ftp://virtual/pub '))", 'maxmem': '256'}
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:736)
> > Storing domain details: {'console/ring-ref': '237071', 'console/port':
> > '2', 'name': 'xen-www', 'console/limit': '1048576', 'vm':
> > '/vm/5b6415d8-f3a6-d64b-67c8-d8f7afb98e95', 'domid': '1',
> > 'cpu/0/availability': 'online', 'memory/target': '262144',
> > 'store/ring-ref': '237072', 'store/port': '1'}
> > [2006-08-30 11:22:23 xend.XendDomainInfo] DEBUG (XendDomainInfo:919)
> > XendDomainInfo.handleShutdownWatch
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:143) Waiting for
> > devices vif.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:149) Waiting for 0.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:449)
> > hotplugStatusCallback /local/domain/0/backend/vif/1/0/hotplug-status.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:449)
> > hotplugStatusCallback /local/domain/0/backend/vif/1/0/hotplug-status.
> > [2006-08-30 11:22:23 xend] DEBUG (DevController:463)
> > hotplugStatusCallback 2.
> > [2006-08-30 11:22:23 xend] ERROR (SrvBase:87) Request wait_for_devices
> > failed.
> > Traceback (most recent call last):
> > File "/usr/lib/python2.4/site-packages/xen/web/SrvBase.py", line 85,
> > in perform
> > return op_method(op, req)
> > File "/usr/lib/python2.4/site-packages/xen/xend/server/SrvDomain.py",
> > line 72, in op_wait_for_devices
> > return self.dom.waitForDevices()
> > File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> > line 1511, in waitForDevices
> > self.waitForDevices_(c)
> > File "/usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> > line 1063, in waitForDevices_
> > return self.getDeviceController(deviceClass).waitForDevices()
> > File
> > "/usr/lib/python2.4/site-packages/xen/xend/server/DevController.py",
> > line 145, in waitForDevices
> > return map(self.waitForDevice, self.deviceIDs())
> > File
> > "/usr/lib/python2.4/site-packages/xen/xend/server/DevController.py",
> > line 161, in waitForDevice
> > raise VmError("Device %s (%s) could not be connected. "
> > VmError: Device 0 (vif) could not be connected. Backend device not found.
> > [2006-08-30 11:22:24 xend] INFO (XendDomain:365) Domain xen-www (1)
> > unpaused.
> >
> > #### /var/log/messages ####
> > Aug 30 11:17:26 virtual kernel: Bridge firewalling registered
> > Aug 30 11:17:26 virtual kernel: device vif0.2 entered promiscuous mode
> > Aug 30 11:17:26 virtual NET[2453]: /sbin/dhclient-script : updated
> > /etc/resolv.conf
> > Aug 30 11:17:26 virtual kernel: audit(1156900646.201:3): dev=vif0.2
> > prom=256 old_prom=0 auid=4294967295
> > Aug 30 11:17:26 virtual kernel: xenbr2: port 1(vif0.2) entering
> > learning state
> > Aug 30 11:17:26 virtual dhclient: bound to 192.168.0.10 -- renewal in
> > 43167 seconds.
> > Aug 30 11:17:26 virtual kernel: xenbr2: topology change detected,
> > propagating
> > Aug 30 11:17:26 virtual kernel: xenbr2: port 1(vif0.2) entering
> > forwarding state
> > Aug 30 11:17:26 virtual kernel: r8169: peth2: link up
> > Aug 30 11:17:26 virtual kernel: device peth2 entered promiscuous mode
> > Aug 30 11:17:26 virtual kernel: audit(1156900646.249:4): dev=peth2
> > prom=256 old_prom=0 auid=4294967295
> > Aug 30 11:17:26 virtual kernel: xenbr2: port 2(peth2) entering
> > learning state
> > Aug 30 11:17:26 virtual kernel: xenbr2: topology change detected,
> > propagating
> > Aug 30 11:17:26 virtual kernel: xenbr2: port 2(peth2) entering
> > forwarding state
> > Aug 30 11:20:37 virtual ntpd[2004]: synchronized to LOCAL(0), stratum 10
> > Aug 30 11:20:37 virtual ntpd[2004]: kernel time sync disabled 0041
> > Aug 30 11:21:40 virtual ntpd[2004]: kernel time sync enabled 0001
> > Aug 30 11:22:23 virtual logger: /etc/xen/scripts/vif-bridge: brctl
> > addif xenbr0 vif1.0 failed
> > Aug 30 11:22:46 virtual ntpd[2004]: synchronized to 192.231.203.132,
> > stratum 2
> >
> > --
> > Fedora-xen mailing list
> > Fedora-xen@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/fedora-xen
>
> --
> Fedora-xen mailing list
> Fedora-xen@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/fedora-xen
--
Sam Folk-Williams, RHCE Red Hat Global Support Services
Phone: 919/754-4558 GPG ID: 1B0D46BA
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