[rhelv6-list] rhel6 xenU on rhel5.5 domU - no console

[Pasi Kärkkäinen]

On Fri, Nov 12, 2010 at 03:35:10PM -0600, Rich Graves wrote:
> > kernel /vmlinuz-2.6.32-71.el6.i686 ro .... console=hvc0
> 
> Yes, that does it. I had tried nothing (the default per virt-install/anaconda) and xvc0.
> 
> So I can now watch the automatic reboot process after it crashes during live migration... which it does most of the time.
> 

Please open bugzilla entry about the live migration problem!

Upstream 2.6.3x kernels had some xen live migration fixes recently,
so maybe rhel6 kernel is still missing those.

-- Pasi

> To be fair, one dom0 is running 2.6.18-194.26.1.el5xen and the other 2.6.18-194.11.1.el5xen. But rhel4 and rhel5 guests live-migrate fine.
> 
> Hmm, this time, when going from .11.1 to .26.1, I see that the rhel6 xen guest is running, but:
> 
> 1) xm console displays a random 1% of the lines coming out the VNC console, but appears not to accept any input
> 2) Can do DNS lookups (answered, and tcpdump on xenbr0 can see them)
> 3) Can not send any tcp or icmp packets (ping and nc by IP address hang, tcpdump sees nothing)
> 4) service iptables restart hangs at "Unloading modules:" (but a virtual Alt-F2 shows that they're not loaded)
> 
> Looks quite unwell to me. Looks like I'll wait and see and migrate the existing rhel4/5 xenU's to a rhel6 kvm host when ready, rather than put new rhel6 services on the existing rhel5 xen dom0's.
> 
> Hey, tcpdump -n just showed some nc and icmp packets that should have been sent 5 minutes ago.
> 
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