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SubjectRe: x86: warning in unwind_get_return_address
On Wed, Dec 21, 2016 at 01:46:36PM +0100, Andrey Konovalov wrote:
> On Wed, Dec 21, 2016 at 12:36 AM, Josh Poimboeuf <jpoimboe@redhat.com> wrote:
> >
> > Thanks. Looking at the stack trace, my guess is that an interrupt hit
> > while running in generated BPF code, and the unwinder got confused
> > because regs->ip points to the generated code. I may need to disable
> > that warning until we figure out a better solution.
> >
> > Can you share your .config file?
>
> Sure, attached.

Ok, I was able to recreate with your config. The culprit was generated
code, as I suspected, though it wasn't BPF, it was a kprobe (created by
dccpprobe_init()).

I'll make a patch to disable the warning.

--
Josh

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