[Crash-utility] Problem with "xm save" x86-64 cores -crash.4.0-3.5

[Dave Anderson]

Tejasvi Aswathanarayana wrote:

> > I don't know why the pid_hash debug info is not getting
> > included in your vmlinux file, i.e., when built with -g.
> >
> > I note that your kernel was built with gcc 4.0.0, whereas
> > my non-xen 2.6.16 kernel above was built with gcc 4.1.0,
> > and the 2.6.17 xen kernel above was built with gcc 4.1.1.
> > Perhaps there's an issue with the 4.0.0 compiler?
> > I don't know -- I give up.
> >
> > Anyway, I guess the only way around it is going to
> > have to be a hack.  The "pid_hash" symbol is there,
> > and the size of the array can be determined by looking
> > at the symbol value of the next sequential symbol, and
> > dividing the address difference by the size of a pointer.
> >
>
> Ah, neat.  I will either upgrade gcc or use the hack - but given the
> bug, it will not be surprising if there are more symbols missing.
> Thanks for triaging the problem.
>
> --

I'll put out a new release with a "fix".

But you're right, that's what I'm worrying about -- what other
debug info data is not there?  If you don't mind, I'll keep your
vmlinux/dumpfile pair around for future reference.

Thanks,
  Dave