Bug#297112: marked as done (g77 compiles program that segfaults before executing the Fortran code)
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and subject line Bug#297112: g77 bug: fixed in sarge
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Received: (at submit) by bugs.debian.org; 27 Feb 2005 06:20:08 +0000
>From aty@hilbert.sdsu.edu Sat Feb 26 22:20:08 2005
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From: Andrew Young <aty@hilbert>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: g77 compiles program that segfaults before executing the Fortran code
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Date: Sat, 26 Feb 2005 22:19:37 -0800
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Package: g77
Version: 2:2.95.4-14
Severity: normal
After making what I thought were minor changes to a working F77 program,
which g77 had been compiling correctly, I find the current version dies
with a segfault before executing any of the Fortran stuff. The program
was compiled with the -fbounds-check option, which produced no output
(though it has in the past when I had indexing errors).
I tried compiling with -g -ggdb and ran the debugger:
(gdb) bt
#0 0x0805cf46 in f_setarg ()
#1 0x0805cab6 in main ()
#2 0x4005314f in __libc_start_main () from /lib/libc.so.6
Looks as if the problem is in the g77 startup library somewhere. I
checked the libc md5sum against a machine on which the *identical*
source code compiles and runs fine with g77; the only difference is that
the machine that works is an AMD Athlon, and the one that segfaults is a
Pentium III. Both boxes run Debian stable.
Please reply to aty@mintaka.sdsu.edu rather than this machine.
-- A. T. Young
-- System Information
Debian Release: 3.0
Architecture: i386
Kernel: Linux hilbert 2.2.20 #1 Thu Feb 26 18:12:28 UTC 2004 i686
Locale: LANG=en_US, LC_CTYPE=en_US
Versions of packages g77 depends on:
ii cpp 2:2.95.4-14 The GNU C preprocessor.
ii g77-2.95 1:2.95.4-11woody1 The GNU Fortran 77 compiler.
ii gcc-2.95 1:2.95.4-11woody1 The GNU C compiler.
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>From falk@debian.org Sun Jun 12 15:46:06 2005
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To: 297112-done@bugs.debian.org
Subject: Re: Bug#297112: g77 bug: fixed in sarge
References: <[🔎] 200506102104.j5AL40bG000328@sciences.sdsu.edu>
From: Falk Hueffner <falk@debian.org>
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Date: Mon, 13 Jun 2005 00:45:35 +0200
In-Reply-To: <[🔎] 200506102104.j5AL40bG000328@sciences.sdsu.edu> (Andrew Young's
message of "Fri, 10 Jun 2005 14:04:00 -0700 (PDT)")
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Andrew Young <aty@sciences.sdsu.edu> writes:
> I upgraded the P III box from woody to sarge, which changed the g77
> compiler version from 2.95 to 3.3 -- and the bug seems to be gone.
Well, let's just close it, then.
--
Falk
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