Re: [Xen-devel] Hotplug script not working

[Hien Nguyen <hien1@xxxxxxxxxx>]

I did xend stop, then xend start, and recreate domU. The same error 
occurred;

Device 0 (vif) could not be connected. Hotplug scripts not working.

I turned set -x on the following scripts: network-route, vif-route. But 
nothing showed on xend-debug.log. It seemed that some scripts didn't run 
or exited with errors. /var/log/xend.log showed:

[2005-11-09 09:30:42 xend] INFO (SrvDaemon:268) Xend Daemon started
[2005-11-09 09:30:42 xend] INFO (SrvDaemon:272) Xend changeset: Tue Nov  8 
09:48:42 2005 7700:98bcd8fbd5e36662c10becdcd0222a221.
[2005-11-09 09:30:42 xend.XendDomainInfo] DEBUG (XendDomainInfo:170) 
XendDomainInfo.recreate({'paused': 0, 'cpu_time': 540337970398L, 
'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': 524288, 'maxmem_kb': 
-4, 'max_vcpu_id': 3, 'crashed': 0, 'running': 1, 'shutdown': 0, 
'online_vcpus': 4, 'blocked': 0})
[2005-11-09 09:30:42 xend.XendDomainInfo] INFO (XendDomainInfo:182) 
Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000.
[2005-11-09 09:30:42 xend] DEBUG (XendDomain:140) number of vcpus to use 
is 0
[2005-11-09 09:30:42 xend] INFO (SrvServer:112) unix 
path=/var/lib/xend/xend-socket
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:149) 
XendDomainInfo.create(['vm', ['name', 'x335-hien1-vm4'], ['memory', 
'1024'], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6-xenU'], 
['ramdisk', '/boot/initrd-2.6.12-xenU'], ['root', '/dev/sdb1 ro'], 
['args', 'ro selinux=0 3'], ['vcpus', '1'], ['vcpus', '1'], ['boot', 'c'], 
['display', 'localhost:10.0']]], ['device', ['vbd', ['uname', 
'file:/FC4-FILEVBD4/FC4-32-filevbd4'], ['dev', 'sdb1'], ['mode', 'w']]], 
['device', ['vbd', ['uname', 'phy:sdc'], ['dev', 'sdc'], ['mode', 'w']]], 
['device', ['vbd', ['uname', 'phy:sdd'], ['dev', 'sdd'], ['mode', 'w']]], 
['device',
['vif', ['mac', 'AA:00:00:17:12:6A'], ['ip', '10.8.1.2']]]])
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:252) 
parseConfig: config is ['vm', ['name', 'x335-hien1-vm4'], ['memory', 
'1024'], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6-xenU'], 
['ramdisk', '/boot/initrd-2.6.12-xenU'], ['root', '/dev/sdb1 ro'], 
['args', 'ro selinux=0 3'], ['vcpus', '1'], ['vcpus', '1'], ['boot', 'c'], 
['display', 'localhost:10.0']]], ['device', ['vbd', ['uname', 
'file:/FC4-FILEVBD4/FC4-32-filevbd4'], ['dev', 'sdb1'], ['mode', 'w']]], 
['device', ['vbd', ['uname', 'phy:sdc'], ['dev', 'sdc'], ['mode', 'w']]], 
['device', ['vbd', ['uname', 'phy:sdd'], ['dev', 'sdd'], ['mode', 'w']]], 
['device', ['vif', ['mac', 'AA:00:00:17:12:6A'], ['ip', '10.8.1.2']]]]
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:310) 
parseConfig: result is {'ssidref': None, 'name': 'x335-hien1-vm4', 
'on_reboot': None, 'maxmem': None, 'on_poweroff': None, 'mem_kb': None, 
'maxmem_kb': None, 'on_crash': None, 'backend': [], 'vcpus': 1, 
'cpu_weight': None, 'vcpu_avail': None, 'memory': 1024, 'device': [('vbd', 
['vbd', ['uname', 'file:/FC4-FILEVBD4/FC4-32-filevbd4'], ['dev', 'sdb1'], 
['mode', 'w']]), ('vbd', ['vbd', ['uname', 'phy:sdc'], ['dev', 'sdc'], 
['mode', 'w']]), ('vbd', ['vbd', ['uname', 'phy:sdd'], ['dev', 'sdd'], 
['mode', 'w']]), ('vif', ['vif', ['mac', 'AA:00:00:17:12:6A'], ['ip', 
'10.8.1.2']])], 'bootloader': None, 'image': ['linux', ['kernel', 
'/boot/vmlinuz-2.6-xenU'], ['ramdisk', '/boot/initrd-2.6.12-xenU'], 
['root', '/dev/sdb1 ro'], ['args', 'ro selinux=0 3'], ['vcpus', '1'], 
['vcpus', '1'], ['boot', 'c'], ['display',
'localhost:10.0']], 'cpu': None, 'uuid': None}
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:1059) 
XendDomainInfo.construct: None 0
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:1092) 
XendDomainInfo.initDomain: 5 1048576 1.0
[2005-11-09 09:30:57 xend] INFO (image:132) buildDomain os=linux dom=5 
vcpus=1
[2005-11-09 09:30:57 xend] DEBUG (image:170) dom            = 5
[2005-11-09 09:30:57 xend] DEBUG (image:171) image          = 
/boot/vmlinuz-2.6-xenU
[2005-11-09 09:30:57 xend] DEBUG (image:172) store_evtchn   = 1
[2005-11-09 09:30:57 xend] DEBUG (image:173) console_evtchn = 2
[2005-11-09 09:30:57 xend] DEBUG (image:174) cmdline        = 
root=/dev/sdb1 ro ro selinux=0 3
[2005-11-09 09:30:57 xend] DEBUG (image:175) ramdisk        = 
/boot/initrd-2.6.12-xenU
[2005-11-09 09:30:57 xend] DEBUG (image:176) vcpus          = 1
[2005-11-09 09:30:57 xend] DEBUG (DevController:275) DevController: 
writing {'virtual-device': '2065', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vbd/5/2065'} to /local/domain/5/device/vbd/2065.
[2005-11-09 09:30:57 xend] DEBUG (DevController:277) DevController: 
writing {'domain': 'x335-hien1-vm4', 'params': 
'/FC4-FILEVBD4/FC4-32-filevbd4', 'frontend-id': '5', 'type': 'file', 
'dev': 'sdb1', 'frontend': '/local/domain/5/device/vbd/2065'} to 
/local/domain/0/backend/vbd/5/2065.
[2005-11-09 09:30:57 xend] DEBUG (DevController:275) DevController: 
writing {'virtual-device': '2080', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vbd/5/2080'} to /local/domain/5/device/vbd/2080.
[2005-11-09 09:30:57 xend] DEBUG (DevController:277) DevController: 
writing {'domain': 'x335-hien1-vm4', 'params': 'sdc', 'frontend-id': '5', 
'type': 'phy', 'dev': 'sdc', 'frontend': 
'/local/domain/5/device/vbd/2080'} to /local/domain/0/backend/vbd/5/2080.
[2005-11-09 09:30:57 xend] DEBUG (DevController:275) DevController: 
writing {'virtual-device': '2096', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vbd/5/2096'} to /local/domain/5/device/vbd/2096.
[2005-11-09 09:30:57 xend] DEBUG (DevController:277) DevController: 
writing {'domain': 'x335-hien1-vm4', 'params': 'sdd', 'frontend-id': '5', 
'type': 'phy', 'dev': 'sdd', 'frontend': 
'/local/domain/5/device/vbd/2096'} to /local/domain/0/backend/vbd/5/2096.
[2005-11-09 09:30:57 xend] DEBUG (DevController:275) DevController: 
writing {'backend-id': '0', 'mac': 'AA:00:00:17:12:6A', 'handle': '0', 
'backend': '/local/domain/0/backend/vif/5/0'} to 
/local/domain/5/device/vif/0.
[2005-11-09 09:30:57 xend] DEBUG (DevController:277) DevController: 
writing {'frontend-id': '5', 'mac': 'AA:00:00:17:12:6A', 'handle': '0', 
'script': '/etc/xen/scripts/vif-route', 'ip': '10.8.1.2', 'domain': 
'x335-hien1-vm4', 'frontend': '/local/domain/5/device/vif/0'} to 
/local/domain/0/backend/vif/5/0.
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:593) 
Storing VM
details: {'ssidref': '0', 'uuid': '653308f2-c5af-698c-95a6-1c5e1410378e', 
'on_reboot': 'restart', 'image': "(linux (kernel /boot/vmlinuz-2.6-xenU) 
(ramdisk /boot/initrd-2.6.12-xenU) (root '/dev/sdb1 ro') (args 'ro 
selinux=0 3') (vcpus 1) (vcpus 1) (boot c) (display localhost:10.0))", 
'on_poweroff': 'destroy', 'vcpus':
'1', 'on_crash': 'restart', 'memory/target': '1048576', 'vcpu_avail': '1', 
'name': 'x335-hien1-vm4'}
[2005-11-09 09:30:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:618) 
Storing domain details: {'console/ring-ref': '386208', 'console/port': 
'2', 'name': 'x335-hien1-vm4', 'console/limit': '1048576', 'vm': 
'/vm/653308f2-c5af-698c-95a6-1c5e1410378e', 'domid': '5', 
'cpu/0/availability': 'online', 'memory/target': '1048576', 
'store/ring-ref': '386209', 'store/port': '1'}
[2005-11-09 09:30:57 xend] DEBUG (DevController:69) Waiting for devices 
vif.
[2005-11-09 09:30:57 xend] DEBUG (DevController:75) Waiting for 0.
[2005-11-09 09:32:57 xend] ERROR (SrvBase:87) Request wait_for_devices 
failed.
Traceback (most recent call last):
  File "/usr/lib/python/xen/web/SrvBase.py", line 85, in perform
    return op_method(op, req)
  File "/usr/lib/python/xen/xend/server/SrvDomain.py", line 68, in 
op_wait_for_devices
    return self.dom.waitForDevices()
  File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 1249, in 
waitForDevices
    self.waitForDevices_(c)
  File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 901, in 
waitForDevices_
    return self.getDeviceController(deviceClass).waitForDevices()
  File "/usr/lib/python/xen/xend/server/DevController.py", line 71, in 
waitForDevices
    return map(self.waitForDevice, self.deviceIDs())
  File "/usr/lib/python/xen/xend/server/DevController.py", line 80, in 
waitForDevice
    raise VmError( ("Device %s (%s) could not be connected. "
VmError: Device 0 (vif) could not be connected. Hotplug scripts not 
working



Regards,

 Hien Nguyen
 Linux Technology Center             AUSTIN
 Phone: (512) 838-4140            Tie Line: 678-4140
 e-mail: hien1@xxxxxxxxxx




Ewan Mellor <ewan@xxxxxxxxxxxxx> 
11/09/2005 05:24 AM

To
Hien Nguyen/Austin/IBM@IBMUS
cc
xen-devel@xxxxxxxxxxxxxxxxxxx
Subject
Re: [Xen-devel] Hotplug script not working






On Tue, Nov 08, 2005 at 05:49:47PM -0600, Hien Nguyen wrote:

> I saw the script "xen-network-common.sh"  that used `/sbin/getcfg -d 
> /etc/sysconfig/network/ -f ifcfg- -- $1` to get info of netwoerk config. 

> That is specific to SLES9 systems. For RHEL4 or FC3/4 they don't have 
> /sbin/getcfg and /etc/sysconfig/network/ dir. That's why the script 
exited 
> with RC=1.

That line is protected with "if [ -e /etc/SuSE-release ]".  If you are 
using
Redhat then that file should not exist, and that code should not be run.

Ewan.



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