[Bug tools/23673] TEST ./tests/backtrace-dwarf fails on s390x in at least 0.173

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=23673

--- Comment #17 from Martin Liska <mliska at suse dot cz> ---
(In reply to Mark Wielaard from comment #16)
> (In reply to Martin Liska from comment #15)
> > Thanks Mark, I installed the patch but I see still the same.
> 
> The output was exactly the same? That is surprising. So there is no
> additional output that explains which failure path was taken? I would have
> expected at least a message about the dwfl_getthreads call.

Yes:

$ ./backtrace-dwarf 
0x3ff8a9c0622   raise
0x3ff8a9a3ce2   abort
./backtrace-dwarf: dwfl_thread_getframes: no error

Looks that child correctly triggers assert.

> 
> > For now, I'm
> > leaving that, I'm not so much interested in s390x ;)
> 
> Understood if it is too much work to track down. We have other s390x setups
> that seems fine. But I still don't fully understand the issue.

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