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Re: [Xen-users] DomU reboot issues

  • To: "Steve Spencer" <sspencer@xxxxxxxx>
  • From: "Ray Barnes" <rrb@xxxxxxxxxxxx>
  • Date: Tue, 13 May 2008 20:04:11 -0400
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 13 May 2008 17:04:57 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

CentOS 5.1 is quite problematic with Xen, much more so than Cent 5.0 (which is completely tolerable IMO).  I've filed several bug reports with the CentOS team.  The bottom line is that RedHat is lagging in terms of pulling in Xen builds.  They also write many patches and hotfixes that stay in binary form, releasing them only to paid clients (seemingly in violation of the GPL).  In short, you'll need to roll your own if you want fixes to some of these things, or just wait for CentOS 5.2 which won't be here until the end of summer at best.  Sorry to be the bearer of bad news; I realize this doesn't exactly answer your question either...

On 5/13/08, Steve Spencer <sspencer@xxxxxxxx> wrote:

Ok, CentOS5.1 with built-in Xen.  I have created 3 Virtual machines on a  Dual-core XEON with 8 GB RAM.  Everything works swimmingly on Dom0 and also on DomU most of the time.  When I reboot the Dom0 with all of the vm's running, they are restored on the reboot as you would expect, except at this point you cannot reboot the DomU's.  It hangs shutting down processes and never finishes.  You /can/ then run a xm destroy vm and xm create vm and it boots (and reboots) fine again.

The configs are all identical and are set up with this:


If you do an xm shutdown of the vm and then an xm create vm on reboot, everything works fine as well.  Should I have something else in my configs?  Anyone else run into this?

Steven G. Spencer, Network Administrator
KSC Corporate - The Kelly Supply Family of Companies
Office 308-382-8764 Ext. 231
Mobile 308-380-7957

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