Re: xen3pae on 5.0_stable/i386

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Jan 22, 2010 at 09:07:18AM +1300, Mark Davies wrote:
> On Saturday 09 January 2010 12:10:04 you wrote:
> >   I have a system that has been running xen 3.1 on 5.0_stable/i386 for
> >  some time but I want to switch to PAE kernels.
> > I adjusted the boot to use zen-PAE.gz and XEN3PAE_DOM0 kernel and config
> > files for the domu's to use the XEN3PAE_DOMU kernel and rebooted.  The
> >  DOM0 starts happily but when trying to start the DOMU's a python
> >  process segfaults and nothing starts.   So is there something obvious
> >  I've missed?
> 
> With some assistance from Jean-Yves Migeon I've found out some more:
> 
> This is with a few day old 5.0_STABLE kernels (userland is a month or so 
> old). Machine has 8GiB.
> 
> xend seg faults on attempts to start a domu but doesn't produce a useable 
> coredump - logs following on the console
> 
> pid 593 (python2.6), uid 0: exited on signal 11 (core not dumped, err = 14)
> 
> passing mem=4G to xen gets working domU's so looks like issues relating to 
> addresses allocated above the 4GiB boundary handled badly somewhere during 
> domU setup under some circumstance that I'm tickling.
> 
> Any ideas how to further track it down?

With a xen-debug.gz kernel, does anything show up in 'xm dmesg'
after the core dump ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--