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From: Ken Smith <kensmith@cse.Buffalo.EDU>
To: Michiel Boland <michiel@boland.org>
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Organization: U. Buffalo CSE Department
Date: Fri, 13 Jul 2007 12:24:20 -0400
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Cc: freebsd-current@freebsd.org
Subject: Re: upgrade 6-STABLE to -CURRENT on sparc64 renders box unusable
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On Tue, 2007-07-10 at 22:41 +0200, Michiel Boland wrote:
> Well, in fact I did manage to debug this further. :)
>=20
> The problem is that on sparc64 and -CURRENT, every executable segfaults i=
n
>=20
>   _rtld
>    init_rtld
>     relocate_objects
>      reloc_non_plt
>       mmap
>        __getosreldate
>=20
> It appears that __getosreldate was added five days ago, which may explain=
=20
> why the breakage on sparc64 hasn't been reported yet. (I am ccing peter@=20
> since he committed this.)
>=20
> If I apply the following patch, then rebuild libc, things are more or les=
s=20
> ok again. Of course this patch is very suboptimal, I am just trying to=20
> point out where the problem is.=20

Thanks for your work on this, it helped quite a bit.  The problem is
also affecting the PowerPC architecture.  A fix that Alexander Kabaev
worked out for sparc64 just got committed as V1.15 of
libexec/rtld-elf/sparc64/reloc.c; we're still looking at PowerPC.

--=20
                                                Ken Smith
- From there to here, from here to      |       kensmith@cse.buffalo.edu
  there, funny things are everywhere.   |
                      - Theodore Geisel |


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