From: Paul Pluzhnikov <ppluzhnikov@google.com>
To: Tom Tromey <tromey@redhat.com>
Cc: gdb-patches ml <gdb-patches@sourceware.org>
Subject: Re: [patch] Speed up find_pc_section
Date: Fri, 07 Aug 2009 23:30:00 -0000 [thread overview]
Message-ID: <8ac60eac0908071529j5be2241bjf7fac5cbf55168a9@mail.gmail.com> (raw)
In-Reply-To: <8ac60eac0908070030g7500a5ack3fcc81862e2a5b0a@mail.gmail.com>
For those following the issue on the list ...
I was able to reproduce the failed assert on F11/i586, but only after the
system ran for a while.
On Fri, Aug 7, 2009 at 12:30 AM, Paul Pluzhnikov<ppluzhnikov@google.com> wrote:
> It looks like lack of prelink (freshly-installed system) is what
> prevented me from observing the crash:
>
> $ readelf -S /usr/lib/debug/usr/lib/libgcj.so.10.0.0.debug | grep .rel.dyn
> [ 7] .rel.dyn NOBITS 005e1c84 000138 4ee290 08 A 3 0 4
>
> $ readelf -S /usr/lib/libgcj.so.10.0.0 | grep rel.dyn
> [ 7] .rel.dyn RELA 415e1c84 5e1c84 7653d8 0c A 3 0 4
>
> My libgcj has been prelinked, and I now see the crash.
>
> Prelink changes .rel.dyn from REL to RELA, and that changes the section size!
>
> Running 'prelink -u /usr/lib/libgcj.so.10.0.0' makes the crash
> disappear, and re-prelinking makes it appear again.
> Here is what non-prelinked /usr/lib/libgcj.so.10.0.0 looks like:
> [ 7] .rel.dyn REL 005e1c84 5e1c84 4ee290 08 A 3 0 4
>
> I'll send a patch to fix this soon.
--
Paul Pluzhnikov
next prev parent reply other threads:[~2009-08-07 22:29 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-17 7:34 Paul Pluzhnikov
2009-07-17 15:59 ` Paul Pluzhnikov
2009-07-17 16:27 ` Tom Tromey
2009-07-17 17:19 ` Paul Pluzhnikov
2009-07-21 17:57 ` Tom Tromey
2009-07-21 20:51 ` Paul Pluzhnikov
2009-07-21 21:03 ` Tom Tromey
2009-07-22 15:23 ` Pedro Alves
2009-07-22 16:33 ` Tom Tromey
2009-07-22 17:02 ` Paul Pluzhnikov
2009-07-22 17:02 ` Pedro Alves
2009-07-22 17:16 ` Paul Pluzhnikov
2009-07-22 18:08 ` Paul Pluzhnikov
2009-07-22 18:10 ` Pedro Alves
2009-07-22 18:12 ` Paul Pluzhnikov
2009-07-22 19:19 ` Pedro Alves
2009-07-22 19:34 ` Paul Pluzhnikov
2009-07-22 19:54 ` Pedro Alves
2009-08-17 21:15 ` [commit] Fix reread_symbols crash (Re: [patch] Speed up find_pc_section) Ulrich Weigand
2009-08-04 14:22 ` [patch] Speed up find_pc_section Tom Tromey
2009-08-04 15:06 ` Paul Pluzhnikov
2009-08-04 15:38 ` Tom Tromey
[not found] ` <8ac60eac0908042358q4d2061d2md3c49cf4aab26398@mail.gmail.com>
[not found] ` <m34osmi5jx.fsf@fleche.redhat.com>
[not found] ` <8ac60eac0908050940we3dc478rd182f4367a650f1b@mail.gmail.com>
[not found] ` <8ac60eac0908052259l7b1c21d1t212991886a5f8b18@mail.gmail.com>
[not found] ` <m3eirofxwh.fsf@fleche.redhat.com>
[not found] ` <8ac60eac0908070030g7500a5ack3fcc81862e2a5b0a@mail.gmail.com>
2009-08-07 23:30 ` Paul Pluzhnikov [this message]
2009-08-09 21:37 ` Paul Pluzhnikov
2009-08-10 18:09 ` Tom Tromey
2009-08-10 20:39 ` Paul Pluzhnikov
2009-08-17 19:45 ` Ulrich Weigand
2009-08-17 19:57 ` Ulrich Weigand
2009-08-17 22:55 ` Paul Pluzhnikov
2009-08-18 13:48 ` Ulrich Weigand
2009-08-20 18:03 ` Paul Pluzhnikov
2009-08-20 18:39 ` Ulrich Weigand
2009-08-20 21:06 ` Paul Pluzhnikov
2009-08-20 22:34 ` Daniel Jacobowitz
2009-08-21 12:36 ` Ulrich Weigand
2009-08-23 23:25 ` Paul Pluzhnikov
2009-08-26 7:21 ` Paul Pluzhnikov
2009-08-26 14:37 ` Jan Kratochvil
2009-08-26 14:38 ` Paul Pluzhnikov
2009-08-26 15:17 ` Paul Pluzhnikov
2009-08-26 23:45 ` Jan Kratochvil
2009-08-27 2:56 ` Paul Pluzhnikov
2009-09-02 17:02 ` Paul Pluzhnikov
2009-09-08 18:37 ` What should we do re: "[patch] Speed up find_pc_section" Joel Brobecker
2009-09-08 20:16 ` Paul Pluzhnikov
2009-09-08 21:17 ` Joel Brobecker
2009-09-09 5:58 ` [patch] Speed up find_pc_section Joel Brobecker
2009-09-09 7:56 ` Tristan Gingold
2009-09-09 15:04 ` Joel Brobecker
2009-09-11 7:44 ` Tristan Gingold
2009-09-10 17:36 ` Paul Pluzhnikov
2009-09-10 18:30 ` Joel Brobecker
2009-09-11 1:30 ` Paul Pluzhnikov
2009-09-11 6:51 ` Pierre Muller
2009-09-11 7:29 ` Paul Pluzhnikov
2009-09-11 7:40 ` Mark Kettenis
2009-09-11 7:51 ` Paul Pluzhnikov
2009-09-11 7:41 ` Pierre Muller
2009-09-11 8:03 ` Paul Pluzhnikov
2009-09-11 8:41 ` Pierre Muller
2009-09-11 17:47 ` Paul Pluzhnikov
2009-09-11 21:15 ` Joel Brobecker
2009-09-13 21:47 ` Paul Pluzhnikov
2009-09-14 16:43 ` Ulrich Weigand
2009-09-14 17:19 ` Paul Pluzhnikov
2009-09-14 17:36 ` Joel Brobecker
2009-09-14 18:10 ` Paul Pluzhnikov
2009-09-14 18:21 ` Joel Brobecker
2009-09-11 20:51 ` Tom Tromey
2009-09-11 21:04 ` Paul Pluzhnikov
2009-09-11 21:14 ` Tom Tromey
2009-09-11 7:53 ` Tristan Gingold
2009-09-11 8:33 ` Paul Pluzhnikov
2009-09-11 8:39 ` Tristan Gingold
2009-09-11 16:23 ` Paul Pluzhnikov
2009-09-09 5:39 ` Joel Brobecker
2009-09-10 16:18 ` Paul Pluzhnikov
2009-09-11 21:06 ` Joel Brobecker
2009-09-14 16:41 ` Ulrich Weigand
2009-08-18 18:18 ` Michael Snyder
2009-07-17 18:56 ` Paul Pluzhnikov
2009-07-21 3:34 ` Paul Pluzhnikov
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