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[Xen-users] network falls asleep on guest

To: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] network falls asleep on guest
From: Matt Richardson <shortpath@xxxxxxxxx>
Date: Thu, 30 Apr 2009 15:34:34 -0700
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Hi all,

I have a Debian Lenny domU running on an Etch dom0 (xm info output
below).  It seems that the domU network falls asleep after some time.
After some activity, either trying to do something like a ping or dig
from within the domU or enough client attempts to connect to a samba
share, it comes back up.  That wouldn't be terrible, except that the
delays in reconnecting to the samba share from clients are causing
problems.  I saw a few postings about this in the archives, but no
resolution beyond a cron job to send a ping every five minutes.  Any
other suggestions or solutions would be appreciated.

Some system details:
Dell PowerEdge 2950

eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B1) PCI-X 64-bit 133MHz
(using bridge)

Package: xen-hypervisor-3.0.3-1-amd64

debian0:/var/log/xen-tools# xm info
host                   : debian0
release                : 2.6.18-6-xen-amd64
version                : #1 SMP Fri Dec 12 07:02:03 UTC 2008
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 1995
hw_caps                :
total_memory           : 4095
free_memory            : 776
xen_major              : 3
xen_minor              : 0
xen_extra              : .3-1
xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Tue Oct 17 22:09:52 2006 +0100
cc_compiler            : gcc version 4.1.2 20061115 (prerelease)
(Debian 4.1.1-21)
cc_compile_by          : skx
cc_compile_domain      : debian.org
cc_compile_date        : Mon Oct 22 21:30:18 UTC 2007
xend_config_format     : 2


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