[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] hotplug error after several starting multiple VMs
On Thu, Aug 26, 2010 at 09:21:40PM -0400, Cris Daniluk wrote: > Okay, trying a new combination of Xen release/dom0. I'm running > OpenSLES 11.3 with dist kernel 2.6.34-12-xen using dist > 4.0.0_21091_05-6.6. In general, behavior is good and I am able to > fire and put VMs under load. However, I'm running into hotplug errors > after starting around 20 VMs. I've had very poor results trying to > research this problem given the overwhelming number of people who see > the error message when configuring Xen for the first time, so I'm not > sure where to begin debugging. Everything is running under a single It looks as if the hot plug scripts are the ones that fail. Here is what I would suggest: 1). Enable all debug options in /etc/sysconfig/xend 2). Add -x to the hotplug scripts, as so: [konrad@phenom /]$ diff -uNr /etc/xen/scripts/block.orig /etc/xen/scripts/block --- /etc/xen/scripts/block.orig 2010-08-27 12:05:05.383410805 -0400 +++ /etc/xen/scripts/block 2010-08-27 12:05:09.438365152 -0400 @@ -1,4 +1,4 @@ -#!/bin/bash +#!/bin/bash -x dir=$(dirname "$0") . "$dir/block-common.sh" That will make the output of whatever the script is doing and as well all the errors it encountered be logged in /var/log/xen/xen-hotplug.log You probably want to add the -x to the network-bridge script. > bridge and I'm using Xen's network-bridge script to manage it. Once I > get into this state, I can't start new VMs, but I can continue to work > with the VMs that are already running. The error is as follows: > > linux:/etc/xen/shared/domains # xm create test13 > Using config file "./test13". > Error: Device 0 (vif) could not be connected. Hotplug scripts not working. > > > The xend.log output is below. Nothing is logged to xen-hotplug.log. Try the -x trick and that file should be filled with data. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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