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[Xen-users] FW: unregister_netdevice:waiting for vifXXX.0 to become free. Usage count =1


  • To: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Fan, Huaxiang" <hufan@xxxxxxxxxxxx>
  • Date: Wed, 27 Jul 2011 02:16:12 +0000
  • Accept-language: en-US
  • Delivery-date: Tue, 26 Jul 2011 19:18:16 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcxIO8YiCoeI0UF4TJW39Q1Nid+YHgDxwDXA
  • Thread-topic: unregister_netdevice:waiting for vifXXX.0 to become free. Usage count =1

Hi gurus,

 

I forward this email to users list since I got no feedback from devel list.

 

Hope someone can help.

Thanks in advance.

Huaxiang

 

From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Fan, Huaxiang
Sent: Friday, July 22, 2011 2:51 PM
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] unregister_netdevice:waiting for vifXXX.0 to become free. Usage count =1

 

Hi,

 

This message is showed in /var/log/messages on dom0 when I am trying to shutdown a domu. Sometime it can shutdown eventually, sometime it hang forever. Sometimes, it can shutdown smoothly even without this message. i.e., We can not stably reproduce this problem but we encounter this problem several times in total.

 

I enable IPv6 on both dom0 and domu. I google it a little, it seems related to ipv6. We didn’t have this  problem in ipv4-only context.

 

We used xen4.1.0 + xenified kernel2.6.18.

 

Anyone can help identify and resolve this problem?

 

Thanks in advance.

 

HUAXIANG FAN
Software Engineer II

WEBSENSE NETWORK SECURITY TECHNOLOGY R&D (BEIJING) CO. LTD.
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