Re: Bus-error

On Thu, Sep 30, 2010 at 9:44 PM, John W. Eaton <address@hidden> wrote:
> On 30-Sep-2010, bpabbott wrote:
>
> | With that change I still have a problem.
> |
> | ../../run-octave -f -q -H ./mk_doc_cache.m doc-cache ../../scripts/DOCSTRINGS
> | ../../src/DOCSTRINGS || { rm -f doc-cache; exit 1; }
> | octave(54771,0xa07db500) malloc: *** error for object 0xe48fb8: pointer being
> | freed was not allocated
> | *** set a breakpoint in malloc_error_break to debug
> | error: octave_map::setfield: internal error
> | error: octave_map::setfield: internal error
> | octave(54771,0xa07db500) malloc: *** error for object 0xe48fb8: pointer being
> | freed was not allocated
> | *** set a breakpoint in malloc_error_break to debug
> |
> | panic: Segmentation fault -- stopping myself...
> | attempting to save variables to `octave-core'...
> | panic: attempted clean up apparently failed -- aborting...
> | /bin/sh: line 1: 54771 Abort trap ../../run-octave -f -q -H ./
> | mk_doc_cache.m doc-cache ../../scripts/DOCSTRINGS ../../src/DOCSTRINGS
> | make[3]: *** [doc-cache] Error 1
> | make[2]: *** [all-recursive] Error 1
> | make[1]: *** [all-recursive] Error 1
> | make: *** [all] Error 2
>
> This does not fail for me, and running the mk_doc_cache script with
> Octave under valgrind doesn't show anything unusual, so I have no
> clue where to look. Unless Jaroslav sees what the problem is, I guess
> the next step would be to bisect and find which of the recent changes
> related to Octave_map -> octave_(scalar_|)map caused the problem to
> appear for you. That might point us in the right direction.
>
> jwe
>

I suspect this is another SID. Ben's Mac OS is apparently good at
catching those :)
Ben, please pull this patch and try again:
http://hg.savannah.gnu.org/hgweb/octave/rev/b0eec300d3fc

touch .DOCSTRINGS

Making all in scripts

making plot/gnuplot_binary.m from plot/gnuplot_binary.in

plot/gnuplot_binary.m is unchanged

Making all in doc

Making all in faq

make[3]: Nothing to be done for `all'.

Making all in interpreter

../../run-octave -f -q -H ./mk_doc_cache.m doc-cache ../../scripts/DOCSTRINGS ../../src/DOCSTRINGS || { rm -f doc-cache; exit 1; }

panic: Segmentation fault -- stopping myself...

attempting to save variables to `octave-core'...

save to `octave-core' complete

/bin/sh: line 1: 89239 Segmentation fault ../../run-octave -f -q -H ./mk_doc_cache.m doc-cache ../../scripts/DOCSTRINGS ../../src/DOCSTRINGS

make[3]: *** [doc-cache] Error 1

make[2]: *** [all-recursive] Error 1

make[1]: *** [all-recursive] Error 1

make: *** [all] Error 2

From the debugger ....

bens-macbook:interpreter bpabbott$ ../../run-octave -g -f -q -H ./mk_doc_cache.m doc-cache ../../scripts/DOCSTRINGS ../../src/DOCSTRINGS || { rm -f doc-cache; exit 1; }

GNU gdb 6.3.50-20050815 (Apple version gdb-1469) (Wed May 5 04:36:56 UTC 2010)

GDB is free software, covered by the GNU General Public License, and you are

welcome to change it and/or distribute copies of it under certain conditions.

Type "show copying" to see the conditions.

There is absolutely no warranty for GDB. Type "show warranty" for details.

This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries .............

warning: Could not find object file "/sw/src/fink.build/freetype219-2.3.12-1/freetype-2.3.12/objs/.libs/ftsystem.o" - no debug information available for "builds/unix/ftsystem.c"

SNIP

........ done

(gdb) run

Starting program: /Users/bpabbott/Development/mercurial/local_clone/src/.libs/octave --no-init-path --path=...

Reading symbols for shared libraries .++++++++++++++++++++.............................................................................................. done

Program received signal EXC_BAD_ACCESS, Could not access memory.

Reason: KERN_INVALID_ADDRESS at address: 0xfffffff4

0x903a40c1 in std::string::find ()

(gdb) bt

#0 0x903a40c1 in std::string::find ()

#1 0x0131a7e1 in file_ops::tilde_expand (address@hidden) at file-ops.cc:280

#2 0x0131bc48 in file_stat::update_internal (this=0xbfffabe8, force=false) at file-stat.cc:189

#3 0x002a5d24 in file_stat [inlined] () at file-stat.h:209

#4 0x002a5d24 in file_stat [inlined] () at /Users/bpabbott/Development/mercurial/local_clone/liboctave/file-stat.h:210

#5 0x002a5d24 in load_path::do_add (this=0x4036a50, address@hidden, at_end=true, warn=false) at file-stat.h:626

#6 0x002a666d in load_path::do_append (this=0x4036a50, address@hidden, warn=126) at load-path.cc:599

#7 0x002a6724 in load_path::do_set (this=0x4036a50, address@hidden, warn=false) at load-path.cc:578

#8 0x002a6ab5 in load_path::do_initialize (this=0x4036a50, set_initial_path=false) at load-path.cc:516

#9 0x003ac0e5 in octave_main (argc=13, argv=0xbfffaef4, embedded=0) at load-path.h:53

#10 0x00001f80 in main (argc=13, argv=0xbfffaef4) at main.c:35

(gdb)

From:	bpabbott
Subject:	Re: Bus-error
Date:	Thu, 30 Sep 2010 20:51:04 +0000 (GMT)