Xend hangs on starting time!

Xend hangs on starting time!

[pengfei zhang]

I come across some problem when using xen-4.1.1-rc1-pre from xen-4.1-testing
tree and 2.6.32.36xen linux kernel from
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git. 
when I use 'xend restart' , it hangs when kernel dmesg printing 'Bridge
firewalling registered' and the console show below messages: 

localhost# xend restart 
Nothing to flush. 
Cannot get current device settings: Operation not supported 
  not setting speed 
  not setting autoneg 

I check the /var/log/xen/xend.log: 

1655 [2011-04-26 10:17:16 4260] INFO (SrvDaemon:332) Xend Daemon started 
1656 [2011-04-26 10:17:16 4260] INFO (SrvDaemon:336) Xend changeset: Thu Apr
07 15:26:58 2011 +0100 23025:dbf2ddf652dc. 
1657 [2011-04-26 10:17:16 4260] DEBUG (tcp:96) Listening on :8002 
1658 [2011-04-26 10:17:17 4260] DEBUG (XendNode:332) pscsi record count: 6 
1659 [2011-04-26 10:17:17 4260] DEBUG (XendCPUPool:747)
recreate_active_pools 

check the /var/log/messages: 
9690 Apr 26 10:16:46 houyi-vm12 smbd[3981]:   Unable to connect to CUPS
server localhost:631 - Connection refused 
9691 Apr 26 10:17:11 houyi-vm12 kernel: Bridge firewalling registered 
9692 Apr 26 10:17:11 houyi-vm12 kernel: bnx2: peth0: using MSIX 
9693 Apr 26 10:17:11 houyi-vm12 syslogd: sendto: Network is unreachable 
9694 Apr 26 10:17:11 houyi-vm12 kernel: ADDRCONF(NETDEV_UP): peth0: link is
not ready 
9695 Apr 26 10:17:14 houyi-vm12 kernel: bnx2: peth0 NIC Copper Link is Up,
1000 Mbps full duplex 
9696 Apr 26 10:17:14 houyi-vm12 kernel: ADDRCONF(NETDEV_CHANGE): peth0: link
becomes ready 
9697 Apr 26 10:17:15 houyi-vm12 kernel: device peth0 entered promiscuous
mode 
9698 Apr 26 10:17:15 houyi-vm12 kernel: eth0: port 1(peth0) entering
forwarding state 
9699 Apr 26 10:17:20 houyi-vm12 sshd[4353]: Accepted password for root from
10.1.171.135 port 

after I kill the hanging xend start process using keyboard, the console show
the messages: 
localhost# xend restart 
Nothing to flush. 
Cannot get current device settings: Operation not supported 
  not setting speed 
  not setting autoneg 
^CTraceback (most recent call last): 
  File "/usr/sbin/xend", line 110, in ? 
    sys.exit(main()) 
  File "/usr/sbin/xend", line 102, in main 
    return daemon.stop() or daemon.start() 
  File "usr/lib64/python2.4/site-packages/xen/xend/server/SrvDaemon.py",
line 181, in start 
    s = r.read() 
KeyboardInterrupt 

Can some help with the xend hang problem. Thanks a lot!

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Re: Xend hangs on starting time!

[Konrad Rzeszutek Wilk]

On Mon, Apr 25, 2011 at 08:25:04PM -0700, pengfei zhang wrote:
> I come across some problem when using xen-4.1.1-rc1-pre from xen-4.1-testing
> tree and 2.6.32.36xen linux kernel from
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git. 
> when I use 'xend restart' , it hangs when kernel dmesg printing 'Bridge
> firewalling registered' and the console show below messages: 

It looks like the network got borked.

What happens if you uncomment the line in /etc/xen/xend-config.sxp

(network-script network-bridge)

BTW, you would be best served if you emailed this to the xen-users mailing
list. We mostly deal with kernel issues while this is more of a setup.

Re: Xend hangs on starting time!

[Javier]

Hey there, i have experienced similar errors with XEN, try to load xenstored
in first place ( # xenstored), then try to load xend with the line
(network-script network-bridge) commented. Im my case xend was in sleep
state cause xenstore couldn't run, therefore if u try to load xenstored
maybe you get an error output...
Try it and told us what do u get.

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