GNU bug report logs - #20614
Segmentation fault when building on Power8 Little Endian

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Petr Hracek <phracek <at> redhat.com>
Cc: 20614 <at> debbugs.gnu.org
Subject: bug#20614: Segmentation fault when building on Power8 Little Endian
Date: Thu, 01 Oct 2015 15:22:03 +0300

> From: Petr Hracek <phracek <at> redhat.com>
> Date: Thu, 1 Oct 2015 13:53:14 +0200
> 
> Some update regarding this bug.
> I have add some defines like:
> $ cat emacs-segment-bss.patch
> diff --git a/src/unexelf.c b/src/unexelf.c
> index d365940..55d7ba6 100644
> --- a/src/unexelf.c
> +++ b/src/unexelf.c
> @@ -846,7 +846,7 @@ unexec (const char *new_name, const char *old_name)
>         if ((OLD_SECTION_H (old_bss_index)).sh_addralign > alignment)
>       alignment = OLD_SECTION_H (old_bss_index).sh_addralign;
> 
> -#ifdef __sgi
> +#if defined __sgi || defined __ppc64le__ || defined __ppc64__
>         /* According to r02kar <at> x4u2.desy.de (Karsten Kuenne)
>            and oliva <at> gnu.org (Alexandre Oliva), on IRIX 5.2, we
>            always get "Program segment above .bss" when dumping
> $
> 
> Here is a full backtrace executed on PPC64LE

Thanks.  Can you repeat this in an unoptimized build?  Otherwise the
backtrace cannot be trusted (and makes little sense).

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.