If you want to debug dom0, use kdb instead of gdb. Apply the kdb patch
suitable to you kernel version, build it and run.
On Wed, 2008-10-08 at 09:38 -0700, Neo Jia wrote:
> On Wed, Oct 8, 2008 at 7:34 AM, Tej <bewith.tej@xxxxxxxxx> wrote:
> > On Wed, Oct 8, 2008 at 1:16 PM, Neo Jia <neojia@xxxxxxxxx> wrote:
> >> hi,
> >>
> >> I am wondering if anybody is doing Xen or Dom0 debugging with gdb
> >> here. If yes, could you show me the procedure of doing that?
> >
> > For dom0, it will be similar to debugging in Linux e.g Use kgdb,
> > netdump, kdump etc. and analyse those dump using crash tools.
>
> This is what I want to know more. How to use kgdb with dom0? I assume
> you can't as the TSS is in Xen not dom0, right?
>
> Thanks,
> Neo
>
> >
> > For domU use gdb built in debugger with xen.
> > 1. cd xen-3.3.0/tool/debugger/gdb/README
> > This explains everything from setting gdbserver-xen to debugging with gdb.
> > 2. enable xendump by configuring xend-config.sxp file
> > It is helpful for capturing vmcore dumps from xen guest.
> > #(enable-dump no) change to (enable-dump yes)
> > Restart xend
> > start domU's and capture the vmcore @ /var/crash/*
> > analyse the dump with crash
> >
> > HTH
> > -tej
> >
> >
> >
> >
> >>
> >> Thanks,
> >> Neo
> >>
> >> --
> >> I would remember that if researchers were not ambitious
> >> probably today we haven't the technology we are using!
> >>
> >> _______________________________________________
> >> Xen-devel mailing list
> >> Xen-devel@xxxxxxxxxxxxxxxxxxx
> >> http://lists.xensource.com/xen-devel
> >>
> >
>
>
>
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