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[Xen-users] [help]domU linux network breakdown but dumpcore recover

From: duanshuidao@xxxxxxxxxxx
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [help]domU linux network breakdown but dumpcore recover
Date: Wed, 26 Oct 2011 09:31:38 +0000

Hi All:

xen 3.3  
dom0 linux :Novell SLES11 

domU linux(SLES 10 SP1)have 2 ethernet card, config as follows;

ethernet card A config a small network ip for conmunnication with dom0 ,
ethernet card B config a big network ip for business software.

small network always is fine; but big network in domU can't send packets ,but can receive.

the domU run 167 days normally before above network trouble; iptables on domU had been disabled.
I don't know how to do ; so I prepared to dump domU's kernel core to analyse the question.

after I finished the command:xm dump-core 4 /data/2011-1020-1659-IED_143_170_sles10sp1.4.core ;
I found the douU became to be paused.
then I executed :xm unpause 4 ;
But I found the big network in domU  has recovered normally.

Is it stranger?  

the attachement has xen_bugtool info.  

Thank you very much for your help.

Attachment: xen_bugtool.tar.bz2
Description: application/bzip2

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