GDB Problem

AQadir_1 — Mon, 31 May 2010 05:17:13 GMT

Hi Guys, i am having following error during analysis of application crash using gdb. Can anyone have idea whats going wrong following is the output:

$ gdb katscomm core_200510_hp2
HP gdb 5.9 for HP Itanium (32 or 64 bit) and target HP-UX 11.2x.
Copyright 1986 - 2001 Free Software Foundation, Inc.
Hewlett-Packard Wildebeest 5.9 (based on GDB) is covered by the
GNU General Public License. Type "show copying" to see the conditions to
change it and/or distribute copies. Type "show warranty" for warranty/support.
..BFD: /elex/katscomm: invalid string offset 1064960 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 880 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1058078720 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 880 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 2147483661 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 217696 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 118554624 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 158 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 940638208 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 19 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 2081488896 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 8 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 252 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 3390111744 >= 0 for section `'
BFD: bfd assertion fail ../../../Src/gnu/bfd/elf.c:1257
BFD: /elex/katscomm: invalid string offset 8404 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 202440704 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 4595 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1058078720 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1073741824 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 3489660940 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 939524096 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1925120 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 51904512 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 164626432 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1925120 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 66727936 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 4160 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 602112 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 214646784 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 64 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 847872 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1701601582 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1096758836 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1630433893 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1767858546 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 778331490 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1862282852 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1064960 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 880 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1058078720 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 880 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 2147483661 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 217696 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 118554624 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 158 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 940638208 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 19 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 2081488896 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 8 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 252 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 3390111744 >= 0 for section `'
BFD: bfd assertion fail ../../../Src/gnu/bfd/elf.c:1257
BFD: /elex/katscomm: invalid string offset 8404 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 202440704 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 4595 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1058078720 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1073741824 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 3489660940 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 939524096 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1925120 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 51904512 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 164626432 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1925120 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 66727936 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 4160 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 602112 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 214646784 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 64 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 847872 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1701601582 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1096758836 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1630433893 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1767858546 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 778331490 >= 0 for section `'
BFD: /elex/katscomm: invalid string offset 1862282852 >= 0 for section `'

warning: Load module /elex/katscomm has been stripped.
Debugging information is not available.

gdb-internal-error: virtual memory exhausted: can't allocate 5670219580934804816 bytes.
An internal GDB error was detected. This may make make further
debugging unreliable. Continue this debugging session? (y or n)

Re: GDB Problem

Dennis Handly — Mon, 31 May 2010 05:30:20 GMT

Is /elex/katscomm the correct executable?

>Load module /elex/katscomm has been stripped.

What did you use to strip katscomm? Did you use a foreign devil strip?
What do these show:
elfdump -S -h katscomm
elfdump -S -o core_200510_hp2

What OS version are you using?
You could download WDB 6.1.

Re: GDB Problem

AQadir_1 — Mon, 31 May 2010 07:18:26 GMT

$ elfdump -S -h katscomm

katscomm:
elfdump: The file katscomm is not a valid elf object

$ elfdump -S -o core_200510_hp2

core_200510_hp2:

*** Program Header ***

Type Offset Vaddr FSize Memsz

CoreVer 00000000000004a0 0000000000000000 0000000000000004 0000000000000004
CoreKern 00000000000004a4 0000000000000000 000000000000003c 000000000000003c
CoreComm 00000000000004e0 0000000000000000 0000000000000009 0000000000000009
CoreProc 00000000000004f0 0000000000000000 000000000000be00 000000000000be00
CoreLoad 000000000000c2f0 6000000000000000 0000000004000000 0000000004000000
CoreMMF 000000000400c2f0 9fffffffbf7d0000 0000000000004000 0000000000004000
CoreMMF 00000000040102f0 9fffffffbf7d4000 0000000000008000 0000000000008000
CoreMMF 00000000040182f0 9fffffffbf7dc000 000000000000b000 000000000000b000
CoreMMF 00000000040232f0 9fffffffbf7e8000 0000000000004000 0000000000004000
CoreMMF 00000000040272f0 9fffffffbf7ed000 0000000000001000 0000000000001000
CoreMMF 00000000040282f0 9fffffffbf7ee000 0000000000001000 0000000000001000
CoreMMF 00000000040292f0 9fffffffbf7ef000 0000000000001000 0000000000001000
CoreMMF 000000000402a2f0 9fffffffbf7f0000 0000000000004000 0000000000004000
CoreMMF 000000000402e2f0 9fffffffbf7f4000 0000000000002000 0000000000002000
CoreMMF 00000000040302f0 9fffffffbf7f6000 0000000000004000 0000000000004000
CoreMMF 00000000040342f0 9fffffffbf7fa000 0000000000002000 0000000000002000
CoreMMF 00000000040362f0 9fffffffbf7fc000 0000000000002000 0000000000002000
CoreMMF 00000000040382f0 9fffffffbf7fe000 0000000000001000 0000000000001000
CoreStck 00000000040392f0 9fffffffbf7ff000 0000000000001000 0000000000001000
CoreStck 000000000403a2f0 9fffffffffff4000 000000000000c000 000000000000c00

Re: GDB Problem

AQadir_1 — Mon, 31 May 2010 09:11:29 GMT

hi dennis,
thanks for your prompt reply the problem is solved. the problem was in application, when copied again from different location its working.

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