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[Xen-devel] Unregister_netdevice error messages caused by shutdowning vm

To: xen-devel@xxxxxxxxxxxxxxxxxxx, brendan@xxxxxxxxx
Subject: [Xen-devel] Unregister_netdevice error messages caused by shutdowning vm with protection of Remus
From: Minjia Zhang <zhangninja@xxxxxxxxx>
Date: Mon, 26 Apr 2010 23:26:22 +0800
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Hi. 
I am hitting a bug that manifests in an unregister_netdevice error message. 
I run "remus vm backupserver" and it works fine. then xm destroy the vm at the primary side.

I get messages as follow repeatedly:
[root@server1 ninja]# 
unregister_netdevice:waiting for vif1.0 to become free.. 
Message from syslogd@ at Fri Apr 23 19:50:57 2010 ...
server1 last message repeated 7 times
Message from syslogd@ at Fri Apr 23 19:51:58 2010 ...
server1 last message repeated 6 times

After the problem is triggered processes like ifconfig, service network restart refuse to exit, even with killed. 
Also, I cann't even reboot my physical machine with command or login the console with ssh.

How to fix this? Any suggestions will be appreciated.

Best.
--
--
Best Regards

Minjia Zhang

Huazhong University of Science and Technology

Room 328,Dong 8 Building 8, No.1037 Luoyu Road, Wuhan 430074, P.R.C.

Tel: +86-159-2625-3437

Email:zhangninja@xxxxxxxxx
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