On Monday 07 August 2006 10:00, Jan Beulich wrote:
> >> Yes that's the problem. If you check for <= stext/_stext then the unwinder
> >> won't catch the L6 (which is above it) and report a "stuck" again
> >
> >Maybe I'm being dense here, but:
> >
> >c0100210 t L6
> >c0100212 t check_x87
> >c010023a t setup_idt
> >c0100257 t rp_sidt
> >c0100264 t ignore_int
> >c0100298 T stext
> >c0100298 T _stext
> >
> >It looks like L6 is before _stext to me.
>
> So it would seem to me. Nevertheless, in my opinion the proper fix is to annotate the call site
> (in head.S) to specify a zero EIP as return address (which denotes the bottom of a frame).
Can you please send a patch to do that?
That seems to be missing in some other places too, e.g. i386 sysenter path, x86-64 kernel_thread,
more?
-Andi
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