Re: [Xen-users] Error: Device 0 (vif) could not be connected. Hotplug scripts not working. (CentOS 5.2 x86_64, Xen 3.2.1)

[Daniel Kao <dkao@xxxxxxxxxxxx>]

Hi Stefan!

Thanks for the help!  That got rid of the virbr0 interface, but I'm still having the same issue. :(

When I try to start the HVM, I see "tap0" created when I run ifconfig and added to the eth0 bridge.  But still ends up with the same error: Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

[2008-07-18 03:34:26 6737] DEBUG (DevController:151) Waiting for devices vif.
[2008-07-18 03:34:26 6737] DEBUG (DevController:156) Waiting for 0.
[2008-07-18 03:34:26 6737] DEBUG (DevController:595) hotplugStatusCallback /local/domain/0/backend/vif/1/0/hotplug-status.

On a CentOS 5.1 & Xen 3.2.0 I'm running, this is what it looks like when it's working right:

ifconfig:

eth0      Link encap:Ethernet  HWaddr 00:1E:8C:5A:CE:1E 
          inet addr:192.168.3.16  Bcast:192.168.3.255  Mask:255.255.255.0
          inet6 addr: fe80::21e:8cff:fe5a:ce1e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:89801631 errors:0 dropped:0 overruns:0 frame:0
          TX packets:48367585 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:107987884550 (100.5 GiB)  TX bytes:22648000223 (21.0 GiB)

eth1      Link encap:Ethernet  HWaddr 00:1E:8C:5A:CE:E6 
          inet addr:10.254.254.3  Bcast:10.254.254.255  Mask:255.255.255.0
          inet6 addr: fe80::21e:8cff:fe5a:cee6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1173855 errors:0 dropped:0 overruns:0 frame:0
          TX packets:25756 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:181321741 (172.9 MiB)  TX bytes:6915621 (6.5 MiB)

ham0      Link encap:Ethernet  HWaddr 46:40:5B:DC:B4:37 
          inet addr:5.193.248.18  Bcast:5.255.255.255  Mask:255.0.0.0
          UP BROADCAST RUNNING MULTICAST  MTU:1200  Metric:1
          RX packets:590174 errors:0 dropped:0 overruns:0 frame:0
          TX packets:305834 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:148139465 (141.2 MiB)  TX bytes:138973972 (132.5 MiB)

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:544826 errors:0 dropped:0 overruns:0 frame:0
          TX packets:544826 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2912972895 (2.7 GiB)  TX bytes:2912972895 (2.7 GiB)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:124401793 errors:0 dropped:0 overruns:0 frame:0
          TX packets:76822772 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:134910124947 (125.6 GiB)  TX bytes:29326162577 (27.3 GiB)
          Interrupt:16

peth1     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:684389019 errors:0 dropped:0 overruns:0 frame:0
          TX packets:662927215 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:177088549355 (164.9 GiB)  TX bytes:603713436163 (562.2 GiB)
          Interrupt:17

tap0      Link encap:Ethernet  HWaddr F6:D4:E9:03:88:B2 
          inet6 addr: fe80::f4d4:e9ff:fe03:88b2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3514937 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6331816 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:473395798 (451.4 MiB)  TX bytes:913334754 (871.0 MiB)

tap1      Link encap:Ethernet  HWaddr 26:16:9C:0E:97:76 
          inet6 addr: fe80::2416:9cff:fe0e:9776/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10072349 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13542011 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:1687445151 (1.5 GiB)  TX bytes:2703951944 (2.5 GiB)

tap2      Link encap:Ethernet  HWaddr 3E:2A:26:BF:30:94 
          inet6 addr: fe80::3c2a:26ff:febf:3094/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2134156 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7612878 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:521599721 (497.4 MiB)  TX bytes:1867840298 (1.7 GiB)

tap3      Link encap:Ethernet  HWaddr 96:29:0B:DB:45:25 
          inet6 addr: fe80::9429:bff:fedb:4525/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3272720 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5033965 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:806332179 (768.9 MiB)  TX bytes:1028432571 (980.7 MiB)

tap4      Link encap:Ethernet  HWaddr 2A:2C:07:ED:FB:A4 
          inet6 addr: fe80::282c:7ff:feed:fba4/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:355805 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5861491 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:27714044 (26.4 MiB)  TX bytes:1424159084 (1.3 GiB)

tap5      Link encap:Ethernet  HWaddr 66:16:49:F4:07:E7 
          inet6 addr: fe80::6416:49ff:fef4:7e7/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:34397689 errors:0 dropped:0 overruns:0 frame:0
          TX packets:35585838 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:7766294045 (7.2 GiB)  TX bytes:7785144017 (7.2 GiB)

tap6      Link encap:Ethernet  HWaddr 8A:BD:30:C5:90:B2 
          inet6 addr: fe80::88bd:30ff:fec5:90b2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:41221 errors:0 dropped:0 overruns:0 frame:0
          TX packets:653903 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:5413977 (5.1 MiB)  TX bytes:147652857 (140.8 MiB)

tap7      Link encap:Ethernet  HWaddr 02:FF:0F:10:A3:13 
          inet6 addr: fe80::ff:fff:fe10:a313/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:432434 errors:0 dropped:0 overruns:0 frame:0
          TX packets:327821 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:49865086 (47.5 MiB)  TX bytes:31784864 (30.3 MiB)

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:48367750 errors:0 dropped:0 overruns:0 frame:0
          TX packets:89801683 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:22648021600 (21.0 GiB)  TX bytes:107987887670 (100.5 GiB)

vif0.1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:25756 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1173856 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:6915621 (6.5 MiB)  TX bytes:181321805 (172.9 MiB)

vif1.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:16076180 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16115388 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:34647855193 (32.2 GiB)  TX bytes:2887651426 (2.6 GiB)

vif1.1    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:427589833 errors:0 dropped:0 overruns:0 frame:0
          TX packets:625321639 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:562030355389 (523.4 GiB)  TX bytes:160980148996 (149.9 GiB)

vif4.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif7.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif12.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif12.1   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif14.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif14.1   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif53.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:13490693 errors:0 dropped:0 overruns:0 frame:0
          TX packets:31190508 errors:0 dropped:5 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:2175625788 (2.0 GiB)  TX bytes:50096353028 (46.6 GiB)

vif53.1   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:4564408 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6776410 errors:0 dropped:341 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:10239939880 (9.5 GiB)  TX bytes:1110147146 (1.0 GiB)

vif69.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:329036 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3586139 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:31335171 (29.8 MiB)  TX bytes:836161390 (797.4 MiB)

vif69.1   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:433781 errors:0 dropped:0 overruns:0 frame:0
          TX packets:980377 errors:0 dropped:4698 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:71859366 (68.5 MiB)  TX bytes:106141999 (101.2 MiB)

vif74.0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

vif74.1   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST NOARP  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)

virbr0    Link encap:Ethernet  HWaddr 00:00:00:00:00:00 
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:699515 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1807181 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:37236709 (35.5 MiB)  TX bytes:2460034461 (2.2 GiB)

xenbr0    Link encap:Ethernet  HWaddr 2A:2C:07:ED:FB:A4 
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:5457477 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:1254824351 (1.1 GiB)  TX bytes:0 (0.0 b)

xenbr1    Link encap:Ethernet  HWaddr 02:FF:0F:10:A3:13 
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:1057758 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:77989508 (74.3 MiB)  TX bytes:0 (0.0 b)

And the brctl show: (notice virbr0 is in there but it doesn't affect my networking)

bridge name     bridge id               STP enabled     interfaces
virbr0          8000.000000000000       no
xenbr0          8000.2a2c07edfba4       no              tap6
                                                        vif74.0
                                                        vif69.0
                                                        vif53.0
                                                        vif14.0
                                                        tap4
                                                        vif12.0
                                                        tap2
                                                        vif1.0
                                                        peth0
                                                        vif0.0
xenbr1          8000.02ff0f10a313       no              tap7
                                                        vif74.1
                                                        vif69.1
                                                        vif53.1
                                                        vif14.1
                                                        tap5
                                                        vif12.1
                                                        tap3
                                                        vif7.0
                                                        tap0
                                                        vif4.0
                                                        tap1
                                                        vif1.1
                                                        peth1
                                                        vif0.1

I'm stumped :/

Thanks for your help again!

Cheers,
Daniel

Stefan de Konink wrote:

On Fri, 18 Jul 2008, Daniel Kao wrote:

  

Bridge name     bridge id               STP enabled     interfaces
eth0            8000.001cc02f9789       no              peth0
virbr0          8000.000000000000       yes

Not sure where to start looking.  I've tried "virbr0", "peth0" and
"eth0" under the vif line with the same error message.  I must be
missing something.  Help!  Thanks in advance!
    

I debugged this problem yesterday. Some nice people (Yes Daniel YOU!) have
added a stateful configuration together with libvirt. To get your xen
config working again do the following:

- go to /etc/libvirt/qemu/networks
- rm default.xml; rm autostart/default.xml
- cd /var/lib/xend/state/
- edit: network.xml, and remove the complete section of virbr0

(The last thing must be possible by some obscure xenstore-rm command, I
don't know it...)

Now if you got this far, reboot your pc, your virbr0 should be gone, and
everything works again. File your complaints to libvirt for automatic
screwups.


Stefan


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