Re: KDB support for x86_64?

Hi.
On Saturday 01 April 2006 19:36, Peter Wainwright wrote:
> On Sun, 2006-03-26 at 17:32 -0800, Jack Vogel wrote:
> > On Mon, Mar 27, 2006 at 08:00:46AM +1000, Nigel Cunningham wrote:
> > > Hi.
> > >
> > > On Sunday 26 March 2006 21:58, Peter Wainwright wrote:
> > > > Is KDB still maintained for the x86_64 architecture? oss.sgi.com has
> > > > x86_64 patches for kernel 2.6.14 but not for more recent
> > > > kernels. I tried to forward-port it to 2.6.16 myself but it is
> > > > not giving a proper backtrace (%rsp seems to be wrong at
> > > > breakpoints).
> > > >
> > > > Peter Wainwright
> > >
> > > I would find it useful too. I've forward ported it as well, and also
> > > have the same backtrace problem. I guess it's probably simple to fix,
> > > but it doesn't irk me enough that I've bothered to try to fix it.
> > >
> > > Regards,
> > >
> > > Nigel
> >
> > Did you have the problem with the last patch, there was
> > some backtrace changes that I accepted that I did not have
> > time to test. It would be useful if you could check a before
> > and after of that code.
> >
> > Regards,
> >
> > Jack
>
> The change I mentioned in the previous mail actually seems to
> simplify things for the debugger, since SS/SP is now saved on
> the interrupt stack at breakpoints.
> This patch seems to work for me. Unless you can find some path
> into kdba_getregcontents where SS/SP is NOT saved in regs?

I'll give it a go.

Regards,

Nigel


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