Re: [Xen-devel] [PATCH 0/2] Xen PV on HVM multiple PV consoles

[Stefano Stabellini <stefano.stabellini@eu.citrix.com>]

On Fri, 3 Dec 2010, Vasiliy G Tolstov wrote:
> On Thu, 2010-12-02 at 17:21 +0000, Stefano Stabellini wrote:
> > On Wed, 1 Dec 2010, Vasiliy G Tolstov wrote:
> > > On Wed, 2010-12-01 at 18:25 +0000, Stefano Stabellini wrote:
> > > > Hi all,
> > > > this small patch series achieves two goals:
> > > > 
> > > > - make PV consoles work for PV on HVM guests;
> > > > 
> > > > - implement support for multiple PV consoles for PV and PV on HVM guests.
> > > > 
> > > > Stefano Stabellini (2):
> > > >       hvc_xen: support PV on HVM consoles
> > > >       hvc_xen: implement multiconsole support
> > > > 
> > > >  drivers/char/hvc_xen.c             |  479 ++++++++++++++++++++++++++++++++----
> > > >  include/xen/interface/hvm/params.h |    6 +-
> > > >  2 files changed, 441 insertions(+), 44 deletions(-)
> > > > 
> > > > A branch with these patches on 2.6.37-rc4 is available here:
> > > > 
> > > > git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.37-rc4-pvhvm-pvconsole
> > > > 
> > > > Cheers,
> > > 
> > > Does it possible to apply only this 2 patches on stable-2.6.32.x and get
> > > working serial consoles?
> > > 
> > 
> > I backported the two patches to stable-2.6.32 and created a new branch
> > that is stable-2.6.32.x + support PV on HVM consoles + implement
> > multiconsole support:
> > 
> > git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git stable-2.6.32-pvconsole
> > 
> > I still haven't tested it with xend though.
> 
> Kernel crushed =(. Use config file from 64 bit fully worked
> configuration, what does it mean? How can i find reason for this crush?


Could you please add CONFIG_DEBUG_INFO=y to your kernel config, so that
we can see the name of the functions in the stack trace?