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Re: [Xen-users] Bug or PEBCAK ? Rebooting DomU with PCI-Device fails in Xen 3

Sebastian Himberger wrote:

Hi List,


Hi Sebastian,



i have the Xen-kernel from backports.org running on my debian stable
machine. It works quite well but as i reboot a DomU with a physical NIC
assigned to it (using the "pci="-option) it won't restart. I did a
little googling and came across the following error:

http://lists.xensource.com/archives/html/xen-users/2006-05/msg00107.html

But this don't seem to be my exact problem since the error message in
xend.log is different. Is this a bug in xen or am i missing something.
Any hint's or help would be greatly appreciated. Maybe i'm just too dumb
to get it right. I've attached my config file and a stacktrace to this mail. 

Thanks very much in advance

Sebastian

------------- config file -------------

kernel = "/boot/vmlinuz-2.6.16-2-xen-686"
ramdisk="/boot/initrd.img-2.6.16-2-xen-686"
memory = 64
name = "wwwserver"
#vif = [ '' ]
pci = ['0000:02:05.0']
I seem to remember that, at that time, the python code was looking for a list of 3 items. That pci option has 4. Try "pci = ['02:05.0']" instead. 

Hope that helps,

Mike Wright


disk = [
'phy:/dev/vg0/wwwserver,hda1,w','phy:/dev/vg0/wwwdata,hda2,w','phy:/dev/vg0/wwwswap,hda5,w' 
]
root = "/dev/hda1 ro"
extra = "4"

--------------- /config file -----------


-------------- stacktrace ------------

[2006-06-21 19:15:45 xend.XendDomainInfo] INFO (XendDomainInfo:836)
Domain has shutdown: name=wwwserver id=1 reason=reboot.
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:1335)
XendDomainInfo.destroyDomain(1)
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:178)
XendDomainInfo.create(['domain', ['domid', 1], ['uuid',
'd252a115-a29a-6a47-8bb0-62820eca17db'], ['ssidref', 0
], ['vcpus', 1], ['vcpu_avail', 1], ['cpu_weight', 1.0], ['memory', 64],
['maxmem', 64], ['name', 'wwwserver'], ['on_poweroff', 'destroy'],
['on_reboot', 'restart'], ['on_crash',
'restart'], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-2-xen-686'], ['ramdisk',
'/boot/initrd.img-2.6.16-2-xen-686'], ['root', '/dev/hda1 ro'], ['args',
'4']]], ['device
', ['vbd', ['backend', 0], ['dev', 'hda1'], ['uname',
'phy:/dev/vg0/wwwserver'], ['mode', 'w']]], ['device', ['vbd',
['backend', 0], ['dev', 'hda2'], ['uname', 'phy:/dev/vg0/wwwda
ta'], ['mode', 'w']]], ['device', ['vbd', ['backend', 0], ['dev',
'hda5'], ['uname', 'phy:/dev/vg0/wwwswap'], ['mode', 'w']]], ['device',
['pci', ['backend', 0]]], ['state', '---s
--'], ['shutdown_reason', 'reboot'], ['cpu_time', 9.1634053200000007],
['online_vcpus', 1], ['up_time', '53.5487999916'], ['start_time',
'1150910092.39'], ['store_mfn', 69747], ['
console_mfn', 69746]])
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:284)
parseConfig: config is ['domain', ['domid', 1], ['uuid',
'd252a115-a29a-6a47-8bb0-62820eca17db'], ['ssidref',
0], ['vcpus', 1], ['vcpu_avail', 1], ['cpu_weight', 1.0], ['memory',
64], ['maxmem', 64], ['name', 'wwwserver'], ['on_poweroff', 'destroy'],
['on_reboot', 'restart'], ['on_crash',
'restart'], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-2-xen-686'], ['ramdisk',
'/boot/initrd.img-2.6.16-2-xen-686'], ['root', '/dev/hda1 ro'], ['args',
'4']]], ['devic
e', ['vbd', ['backend', 0], ['dev', 'hda1'], ['uname',
'phy:/dev/vg0/wwwserver'], ['mode', 'w']]], ['device', ['vbd',
['backend', 0], ['dev', 'hda2'], ['uname', 'phy:/dev/vg0/wwwd
ata'], ['mode', 'w']]], ['device', ['vbd', ['backend', 0], ['dev',
'hda5'], ['uname', 'phy:/dev/vg0/wwwswap'], ['mode', 'w']]], ['device',
['pci', ['backend', 0]]], ['state', '---
s--'], ['shutdown_reason', 'reboot'], ['cpu_time', 9.1634053200000007],
['online_vcpus', 1], ['up_time', '53.5487999916'], ['start_time',
'1150910092.39'], ['store_mfn', 69747], [
'console_mfn', 69746]]
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:380)
parseConfig: result is {'ssidref': 0, 'uuid':
'd252a115-a29a-6a47-8bb0-62820eca17db', 'on_crash': 'restart', '
on_reboot': 'restart', 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-2-xen-686'], ['ramdisk',
'/boot/initrd.img-2.6.16-2-xen-686'], ['root', '/dev/hda1 ro'], ['args',
'4']],
'on_poweroff': 'destroy', 'cpus': None, 'name': 'wwwserver', 'backend':
[], 'vcpus': 1, 'cpu_weight': 1.0, 'vcpu_avail': 1, 'memory': 64,
'device': [('vbd', ['vbd', ['backend', 0
], ['dev', 'hda1'], ['uname', 'phy:/dev/vg0/wwwserver'], ['mode',
'w']]), ('vbd', ['vbd', ['backend', 0], ['dev', 'hda2'], ['uname',
'phy:/dev/vg0/wwwdata'], ['mode', 'w']]), ('vb
d', ['vbd', ['backend', 0], ['dev', 'hda5'], ['uname',
'phy:/dev/vg0/wwwswap'], ['mode', 'w']]), ('pci', ['pci', ['backend',
0]])], 'bootloader': None, 'cpu': None, 'maxmem': 64}
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:1164)
XendDomainInfo.construct: None 0
[2006-06-21 19:15:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:1196)
XendDomainInfo.initDomain: 2 1.0
[2006-06-21 19:15:46 xend] DEBUG (balloon:130) Balloon: free 6; need 65.
[2006-06-21 19:15:46 xend] DEBUG (balloon:139) Balloon: setting dom0
target to 337.
[2006-06-21 19:15:46 xend.XendDomainInfo] DEBUG (XendDomainInfo:945)
Setting memory target of domain Domain-0 (0) to 337 MiB.
[2006-06-21 19:15:46 xend] DEBUG (balloon:126) Balloon: free 87; need
65; done.
[2006-06-21 19:15:46 xend] INFO (image:135) buildDomain os=linux dom=2
vcpus=1
[2006-06-21 19:15:46 xend] DEBUG (image:173) dom            = 2
[2006-06-21 19:15:46 xend] DEBUG (image:174) image          =
/boot/vmlinuz-2.6.16-2-xen-686
[2006-06-21 19:15:46 xend] DEBUG (image:175) store_evtchn   = 1
[2006-06-21 19:15:46 xend] DEBUG (image:176) console_evtchn = 2
[2006-06-21 19:15:46 xend] DEBUG (image:177) cmdline        =
root=/dev/hda1 ro 4
[2006-06-21 19:15:46 xend] DEBUG (image:178) ramdisk        =
/boot/initrd.img-2.6.16-2-xen-686
[2006-06-21 19:15:46 xend] DEBUG (image:179) vcpus          = 1
[2006-06-21 19:15:46 xend] DEBUG (image:180) features       =
[2006-06-21 19:15:46 xend] DEBUG (DevController:103) DevController:
writing {'virtual-device': '769', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/2/76
9'} to /local/domain/2/device/vbd/769.
[2006-06-21 19:15:46 xend] DEBUG (DevController:105) DevController:
writing {'domain': 'wwwserver', 'frontend':
'/local/domain/2/device/vbd/769', 'dev': 'hda1', 'state': '1', 'par
ams': '/dev/vg0/wwwserver', 'mode': 'w', 'frontend-id': '2', 'type':
'phy'} to /local/domain/0/backend/vbd/2/769.
[2006-06-21 19:15:46 xend] DEBUG (DevController:103) DevController:
writing {'virtual-device': '770', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/2/77
0'} to /local/domain/2/device/vbd/770.
[2006-06-21 19:15:46 xend] DEBUG (DevController:105) DevController:
writing {'domain': 'wwwserver', 'frontend':
'/local/domain/2/device/vbd/770', 'dev': 'hda2', 'state': '1', 'par
ams': '/dev/vg0/wwwdata', 'mode': 'w', 'frontend-id': '2', 'type':
'phy'} to /local/domain/0/backend/vbd/2/770.
[2006-06-21 19:15:46 xend] DEBUG (DevController:103) DevController:
writing {'virtual-device': '770', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/2/77
0'} to /local/domain/2/device/vbd/770.
[2006-06-21 19:15:46 xend] DEBUG (DevController:105) DevController:
writing {'domain': 'wwwserver', 'frontend':
'/local/domain/2/device/vbd/770', 'dev': 'hda2', 'state': '1', 'par
ams': '/dev/vg0/wwwdata', 'mode': 'w', 'frontend-id': '2', 'type':
'phy'} to /local/domain/0/backend/vbd/2/770.
[2006-06-21 19:15:46 xend] DEBUG (DevController:103) DevController:
writing {'virtual-device': '773', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/2/77
3'} to /local/domain/2/device/vbd/773.
[2006-06-21 19:15:46 xend] DEBUG (DevController:105) DevController:
writing {'domain': 'wwwserver', 'frontend':
'/local/domain/2/device/vbd/773', 'dev': 'hda5', 'state': '1', 'par
ams': '/dev/vg0/wwwswap', 'mode': 'w', 'frontend-id': '2', 'type':
'phy'} to /local/domain/0/backend/vbd/2/773.
[2006-06-21 19:15:46 xend.XendDomainInfo] ERROR (XendDomainInfo:190)
Domain construction failed
Traceback (most recent call last):
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 183, in create
   vm.initDomain()
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1233, in initDomain
   self.createDevices()
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1393, in createDevices
   self.createDevice(n, c)
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1009, in createDevice
   return self.getDeviceController(deviceClass).createDevice(devconfig)
 File
"/usr/lib/python2.3/site-packages/xen/xend/server/DevController.py",
line 80, in createDevice
   (devid, back, front) = self.getDeviceDetails(config)
 File "/usr/lib/python2.3/site-packages/xen/xend/server/pciif.py", line
98, in getDeviceDetails
   bus  = get_param(config, 'bus')
 File "/usr/lib/python2.3/site-packages/xen/xend/server/pciif.py", line
71, in get_param
   raise VmError('pci: Invalid config setting %s: %s' %
VmError: pci: Invalid config setting bus: None
[2006-06-21 19:15:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:1327)
XendDomainInfo.destroy: domid=2
[2006-06-21 19:15:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:1335)
XendDomainInfo.destroyDomain(2)
[2006-06-21 19:15:47 xend.XendDomainInfo] ERROR (XendDomainInfo:1499)
Failed to restart domain 1.
Traceback (most recent call last):
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1488, in restart
   new_dom = XendDomain.instance().domain_create(config)
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomain.py", line
227, in domain_create
   dominfo = XendDomainInfo.create(config)
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 183, in create
   vm.initDomain()
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1233, in initDomain
   self.createDevices()
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1393, in createDevices
   self.createDevice(n, c)
 File "/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py",
line 1009, in createDevice
   return self.getDeviceController(deviceClass).createDevice(devconfig)
 File
"/usr/lib/python2.3/site-packages/xen/xend/server/DevController.py",
line 80, in createDevice
   (devid, back, front) = self.getDeviceDetails(config)
 File "/usr/lib/python2.3/site-packages/xen/xend/server/pciif.py", line
98, in getDeviceDetails
   bus  = get_param(config, 'bus')
 File "/usr/lib/python2.3/site-packages/xen/xend/server/pciif.py", line
71, in get_param
   raise VmError('pci: Invalid config setting %s: %s' %
VmError: pci: Invalid config setting bus: None
[2006-06-21 22:09:44 xend] INFO (SrvDaemon:185) Xend stopped due to
signal 15.

-------------- /stacktrace ------------




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