I have followed this link: http://lists.xensource.com/archives/html/xen-devel/2005-12/msg00212.html
I saw it just after sending the first mail
[root@CatarNux udev]# udevinfo -V
udevinfo, version 095
[root@CatarNux ~]# udevmonitor
udevmonitor prints the received event from the kernel [UEVENT]
and the event which udev sends out after rule processing [UDEV]
UEVENT[1161978472.581630] add@/devices/xen-backend/vbd-5-769
UDEV [1161978472.581630] add@/devices/xen-backend/vbd-5-769
UEVENT[1161978472.598913] add@/devices/xen-backend/vif-5-0
UDEV [1161978472.598913] add@/devices/xen-backend/vif-5-0
I don't have any "online" event.
So does it mean the problem come from udev ?
Thank you in advance,
Cyrille Olivier
udevmonitor --env
[root@CatarNux ~]# udevmonitor --env
udevmonitor prints the received event from the kernel [UEVENT]
and the event which udev sends out after rule processing [UDEV]
UEVENT[1161979210.946535] add@/devices/xen-backend/vbd-7-769
UDEV [1161979210.946535] add@/devices/xen-backend/vbd-7-769
UDEV_LOG=3
ACTION="">
DEVPATH=/devices/xen-backend/vbd-7-769
SUBSYSTEM=xen-backend
SEQNUM=763
PHYSDEVBUS=xen-backend
XENBUS_TYPE=vbd
XENBUS_PATH=backend/vbd/7/769
XENBUS_BASE_PATH=backend
UDEVD_EVENT=1
UEVENT[1161979210.963339] add@/devices/xen-backend/vif-7-0
UDEV [1161979210.963339] add@/devices/xen-backend/vif-7-0
UDEV_LOG=3
ACTION="">
DEVPATH=/devices/xen-backend/vif-7-0
SUBSYSTEM=xen-backend
SEQNUM=764
PHYSDEVBUS=xen-backend
XENBUS_TYPE=vif
XENBUS_PATH=backend/vif/7/0
XENBUS_BASE_PATH=backend
UDEVD_EVENT=1
On 10/27/06, Kali Mero <calimeral@xxxxxxxxx> wrote:
Hi, it's my first post on this forum and my first post also about xen.
I search on internet about this problem and no answer, i am amazed because
it looks common issue.
(for example
http://lists.xensource.com/archives/html/xen-users/2006-06/msg01128.html
or http://www.debian-administration.org/articles/396#comment_24)
When creating a guest Domain, the domain exist during 1minute 40s, and then i have the following error:
"Error: Device 0 (vif) could not be connected. Hotplug scripts not working."
At the end of the mail i added xend.log
xend-debug.log give this when starting xend service :
Link veth0 is missing.
This may be because you have reached the limit of the number of interfaces
that the loopback driver supports. If the loopback driver is a module, you
may raise this limit by passing it as a parameter (nloopbacks=<N>); if the
driver is compiled statically into the kernel, then you may set the parameter
using loopback.nloopbacks=<N> on the domain 0 kernel command line.
xend-hotplug.log is empty
i have tested with diferent values of the nloopbacks kernel parameter.
and checked the xen-backend.rules link, moreover if i am right xen
should create by default 7 vethx.
Another point is that when i do "ifconfig" i only see eth0 and lo.
So questions are:
Should i see with ifconfig the vifx.y, or the veth0 ?
Is the message about veth0 at the sart of xend linked to this problem, how can i solve it ?
Do i need to change the network-bridge script, is it a udev issue ?
My PC is a laptop (compaq presario 3000 serie) can this be linked ?
I thank you in advice for any clue or information. You are my last hope to make xen work.
Thank you,
Cyril Olivier
[2006-10-27 11:01:04 xend.XendDomainInfo 2203] DEBUG
(XendDomainInfo:190) XendDomainInfo.create(['vm', ['name',
'ExampleDomain'], ['memory', 96], ['vcpus', 1], ['image', ['linux',
['kernel', '/boot/bck_PAE/vmlinuz-2.6.16-1.2218_FC6xenU-PAE'],
['ramdisk', '/boot/bck_PAE/initrd-2.6.16-1.2218_FC6xenU-PAE.img'],
['root', '/dev/hda1 rw'], ['args', 'ramdisk_size=32758 selinux=0
quiet']]], ['device', ['vbd', ['uname', 'phy:/vm/images/rootfs.img'],
['dev', 'hda1'], ['mode', 'w']]], ['device', ['vif']]])
[2006-10-27 11:01:04 xend.XendDomainInfo 2203] DEBUG
(XendDomainInfo:296) parseConfig: config is ['vm', ['name',
'ExampleDomain'], ['memory', 96], ['vcpus', 1], ['image', ['linux',
['kernel', '/boot/bck_PAE/vmlinuz-2.6.16-1.2218_FC6xenU-PAE'],
['ramdisk', '/boot/bck_PAE/initrd-2.6.16-1.2218_FC6xenU-PAE.img'],
['root', '/dev/hda1 rw'], ['args', 'ramdisk_size=32758 selinux=0
quiet']]], ['device', ['vbd', ['uname', 'phy:/vm/images/rootfs.img'],
['dev', 'hda1'], ['mode', 'w']]], ['device', ['vif']]]
[2006-10-27 11:01:04 xend.XendDomainInfo 2203] DEBUG
(XendDomainInfo:395) parseConfig: result is {'shadow_memory': None,
'uuid': None, 'on_crash': None, 'on_reboot': None, 'localtime': None,
'image': ['linux', ['kernel',
'/boot/bck_PAE/vmlinuz-2.6.16-1.2218_FC6xenU-PAE'], ['ramdisk',
'/boot/bck_PAE/initrd-2.6.16-1.2218_FC6xenU-PAE.img'], ['root',
'/dev/hda1 rw'], ['args', 'ramdisk_size=32758 selinux=0 quiet']],
'on_poweroff': None, 'bootloader_args': None, 'cpus': None, 'name':
'ExampleDomain', 'backend': [], 'vcpus': 1, 'cpu_weight': None,
'features': None, 'vcpu_avail': None, 'memory': 96, 'device': [('vbd',
['vbd', ['uname', 'phy:/vm/images/rootfs.img'], ['dev', 'hda1'],
['mode', 'w']]), ('vif', ['vif'])], 'bootloader': None, 'cpu': None,
'maxmem': None}
[2006-10-27 11:01:04 xend.XendDomainInfo 2203] DEBUG (XendDomainInfo:1253) XendDomainInfo.construct: None
[2006-10-27 11:01:04 xend.XendDomainInfo 2203] DEBUG (XendDomainInfo:1285) XendDomainInfo.initDomain: 2 1.0
[2006-10-27 11:01:04 xend 2203] DEBUG (balloon:127) Balloon: 98748 KiB free; need 98304; done.
[2006-10-27 11:01:04 xend 2203] INFO (image:136) buildDomain os=linux dom=2 vcpus=1
[2006-10-27 11:01:04 xend 2203] DEBUG (image:191) dom = 2
[2006-10-27 11:01:04 xend 2203] DEBUG (image:192)
image =
/boot/bck_PAE/vmlinuz-2.6.16-1.2218_FC6xenU-PAE
[2006-10-27 11:01:04 xend 2203] DEBUG (image:193) store_evtchn = 1
[2006-10-27 11:01:04 xend 2203] DEBUG (image:194) console_evtchn = 2
[2006-10-27 11:01:04 xend 2203] DEBUG (image:195)
cmdline =
root=/dev/hda1 rw ramdisk_size=32758 selinux=0 quiet
[2006-10-27 11:01:04 xend 2203] DEBUG (image:196)
ramdisk =
/boot/bck_PAE/initrd-2.6.16-1.2218_FC6xenU-PAE.img
[2006-10-27 11:01:04 xend 2203] DEBUG (image:197) vcpus = 1
[2006-10-27 11:01:04 xend 2203] DEBUG (image:198) features =
[2006-10-27 11:01:04 xend 2203] DEBUG (DevController:110)
DevController: writing {'backend-id': '0', 'virtual-device': '769',
'device-type': 'disk', 'state': '1', 'backend':
'/local/domain/0/backend/vbd/2/769'} to /local/domain/2/device/vbd/769.
[2006-10-27 11:01:04 xend 2203] DEBUG (DevController:112)
DevController: writing {'domain': 'ExampleDomain', 'frontend':
'/local/domain/2/device/vbd/769', 'dev': 'hda1', 'state': '1',
'params': '/vm/images/rootfs.img', 'mode': 'w', 'online': '1',
'frontend-id': '2', 'type': 'phy'} to /local/domain/0/backend/vbd/2/769.
[2006-10-27 11:01:05 xend 2203] DEBUG (DevController:110)
DevController: writing {'backend-id': '0', 'mac': '00:16:3e:53:79:a7',
'handle': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vif/2/0'} to /local/domain/2/device/vif/0.
[2006-10-27 11:01:05 xend 2203] DEBUG (DevController:112)
DevController: writing {'domain': 'ExampleDomain', 'handle': '0',
'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
'/local/domain/2/device/vif/0', 'mac': '00:16:3e:53:79:a7', 'online':
'1', 'frontend-id': '2'} to /local/domain/0/backend/vif/2/0.
[2006-10-27 11:01:05 xend.XendDomainInfo 2203] DEBUG
(XendDomainInfo:712) Storing VM details: {'shadow_memory': '0', 'uuid':
'876dfffe-ac6f-738f-5194-28a47f88f31c', 'on_reboot': 'restart',
'start_time': '1161964865.03', 'on_poweroff': 'destroy', 'name':
'ExampleDomain', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail':
'1', 'memory': '96', 'on_crash': 'restart', 'image': "(linux (kernel
/boot/bck_PAE/vmlinuz-2.6.16-1.2218_FC6xenU-PAE) (ramdisk
/boot/bck_PAE/initrd-2.6.16-1.2218_FC6xenU-PAE.img) (root '/dev/hda1
rw') (args 'ramdisk_size=32758 selinux=0 quiet'))", 'maxmem': '96'}
[2006-10-27 11:01:05 xend.XendDomainInfo 2203] DEBUG
(XendDomainInfo:747) Storing domain details: {'console/ring-ref':
'58529', 'console/port': '2', 'name': 'ExampleDomain', 'console/limit':
'1048576', 'vm': '/vm/876dfffe-ac6f-738f-5194-28a47f88f31c', 'domid':
'2', 'cpu/0/availability': 'online', 'memory/target': '98304',
'store/ring-ref': '58530', 'store/port': '1'}
[2006-10-27 11:01:05 xend.XendDomainInfo 2203] DEBUG (XendDomainInfo:933) XendDomainInfo.handleShutdownWatch
[2006-10-27 11:01:05 xend 2203] DEBUG (DevController:143) Waiting for devices vif.
[2006-10-27 11:01:05 xend 2203] DEBUG (DevController:149) Waiting for 0.
[2006-10-27 11:01:05 xend 2203] DEBUG (DevController:464) hotplugStatusCallback /local/domain/0/backend/vif/2/0/hotplug-status.
[2006-10-27 11:02:45 xend.XendDomainInfo 2203] DEBUG (XendDomainInfo:1449) XendDomainInfo.destroy: domid=2
[2006-10-27 11:02:45 xend.XendDomainInfo 2203] DEBUG (XendDomainInfo:1457) XendDomainInfo.destroyDomain(2)
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