Re: [Xen-users] DomU reboot issues

[Steve Spencer <sspencer@xxxxxxxx>]

All,

Not sure if this was the "correct" way to fix this problem, but it sure 
seems to have worked through all my tests so far.  Here's what I did:
1.) downloaded all of the RPMS for xen-3.2 (except for the SRPM) from

http://xen.org/download/dl_32rhel5.html

2.) with all of the DomU's switched off, ran:

rpm -Uvh --force --nodeps for all of the rpm's starting in reverse order 
(xen-libs, xen-devel, xen-dbug and xen-3.20)
3.) modified grub.conf to include the new kernel:

kernel /boot/xen.gz-3.2

Rebooted the machine and all of the vm's started.  They have since been 
rebooted, saved and restored and then rebooted, etc.  And that is all 
working fine.
I may have created other headaches, but so far it looks much more like 
what I would have expected to begin with.
Thanks to those of you who responded!

Steven G. Spencer

Ray Barnes wrote:
> 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...
>
> -Ray
>
>
>
>
>
> On 5/13/08, Steve Spencer <sspencer@xxxxxxxx> wrote:
> > All,
> >
> > 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:
> >
> > on_poweroff = "destroy"
> > > on_reboot = "restart"
> > > on_crash = "restart"
> > 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?
> >
> > Thanks,
> > --
> > Steven G. Spencer, Network Administrator
> > KSC Corporate - The Kelly Supply Family of Companies
> > Office 308-382-8764 Ext. 231
> > Mobile 308-380-7957
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
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