> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
> 0x969721e5 in strtol_l ()
> (gdb) list
> 1
> 2 /* png.c - location for general purpose libpng functions
> 3 *
> 4 * Last changed in libpng 1.2.21 October 4, 2007
> 5 * For conditions of distribution and use, see copyright
> notice in png.h
> 6 * Copyright (c) 1998-2007 Glenn Randers-Pehrson
> 7 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
> 8 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat,
> Group 42, Inc.)
> 9 */
> 10
I dont suppose anyone else would be willing to try to build this? lol ... I
noticed the list pointing to png.c and the fact that it was a slightly dated
version so I removed libpng(3) and shlibs related. Then I compiled the latest
zlib and png and managed to get the same error in the same spot but pointing to
the new version:
1
2 /* png.c - location for general purpose libpng functions
3 *
4 * Last changed in libpng 1.2.30 [August 15, 2008]
5 * For conditions of distribution and use, see copyright notice in png.h
6 * Copyright (c) 1998-2008 Glenn Randers-Pehrson
7 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
8 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42,
Inc.)
9 */
10
Does anyone know a good resource for debugging properly with gdb? I've been
hitting man pages and a few mini howto's but I'm just not finding anything I
can work with. I did a set on the symbol hoping that if I could get past it I'd
see something new but to no avail:
(gdb) display strtol_l
1: {<text variable, no debug info>} 0x969721b1 <strtol_l> = {<text variable, no
debug info>} 0x969721b1 <strtol_l>
(gdb) set strtol_l
(gdb) display strtol_l
2: {<text variable, no debug info>} 0x969721b1 <strtol_l> = {<text variable, no
debug info>} 0x969721b1 <strtol_l>
(gdb) whatis strtol_l
type = <text variable, no debug info>
(gdb) x
0x969721b2 <strtol_l+1>: 0x5657e589
(gdb) enable mem
(gdb) c
Continuing.
Eventually I got it to progress ... kind of:
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x969721e5 in strtol_l ()
2: {<text variable, no debug info>} 0x969721b1 <strtol_l> = {<text variable, no
debug info>} 0x969721b1 <strtol_l>
1: {<text variable, no debug info>} 0x969721b1 <strtol_l> = {<text variable, no
debug info>} 0x969721b1 <strtol_l>
(gdb) return
Make selected stack frame return now? (y or n) y
#0 0x969721ab in atoi ()
(gdb) c
Continuing.
invalid arguments
Usage: ffmpegthumbnailer [options]
Options:
-i<s> : input file
-o<s> : output file
-s<n> : thumbnail size (default: 128)
-t<n> : time to seek to (percentage) (default: 10)
-f : create a movie strip overlay
-w : workaround issues in old versions of ffmpeg
-h : display this help
Program exited normally
(gdb)
I'm thinking this is just because I _side stepped_ the error *shrug*. Let me
know if you'd prefer I take this off the list. The content is changing slowly
migrating away from _fink dev_ but I would like to get it working and add it to
the packages if aproved.
Thanks guys,
Lonny
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