Re: [Xen-devel] Help Debugging Xen Crash

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jun 15, 2010 at 02:38:05PM +0100, George Dunlap wrote:
> The following thread has a discussion of setting up a serial console
> for debugging, if you need it:
> 
> http://www.mailinglistarchive.com/html/xen-devel@xxxxxxxxxxxxxxxxxxx/2009-05/msg00004.html
> 

And some info here:
http://wiki.xensource.com/xenwiki/XenSerialConsole

-- Pasi

>  -George
> 
> On Tue, Jun 15, 2010 at 2:25 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 
> wrote:
> > Connect a serial line and collect the hypervisor's debug console output.
> > You'll probably get a crash dump when the machine reboots itself.
> >
> >  -- Keir
> >
> > On 15/06/2010 14:13, "Kathy Hadley" <Kathy.Hadley@xxxxxxxxxxxxxxx> wrote:
> >
> >> Greetings,
> >>   I am trying to debug a Xen crash and need some help.  When I am 
> >> attempting
> >> to use the (relatively) new adjust_global scheduler callback function, the
> >> machine reboots (this may be due to other changes I have made in the
> >> hypervisor to modify DornerWorks¹ ARINC 653 scheduler to work with CPU 
> >> pools).
> >> I have enabled xend/xenstored tracing, but the log files do not contain
> >> anything useful.  I have used gdb to trace to the point where the 
> >> hypercall is
> >> made from Dom0 to the hypervisor, but do not know how to proceed from 
> >> here.  I
> >> have read about using kdb to debug the hypervisor, but I am a bit confused.
> >> It looks as though kdb (in http://xenbits.xensource.com/ext/debuggers.hg) 
> >> is
> >> integrated into a particular branch of Xen, which is not kept synchronized
> >> with the current version of xen-unstable.  Can I use kdb with any version 
> >> of
> >> Xen?  If so, how?  What files do I need to download and what should I do to
> >> build them?  Or does someone have other suggestions?
> >>
> >>   Thank you,
> >> Kathy Hadley
> >> DornerWorks, Ltd.
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >
> 
> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

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