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06-29-2005 02:38 AM
06-29-2005 02:38 AM
whereupon tool can be read and be analyzed the Core files?
S.O.= hpux 11i
Thank in advance
Jorge Prado
Solved! Go to Solution.
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06-29-2005 03:06 AM
06-29-2005 03:06 AM
Re: Core files
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06-29-2005 07:01 AM
06-29-2005 07:01 AM
Re: Core files
If it recurrs, send it to the HP Response Center with a ticket.
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06-29-2005 08:17 AM
06-29-2005 08:17 AM
Re: Core files
- John
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06-29-2005 08:19 AM
06-29-2005 08:19 AM
Re: Core files
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06-29-2005 08:28 AM
06-29-2005 08:28 AM
Re: Core files
Meaning absolutely no insult, if one doesn't even know the name of the tool(s) used to examine core files then it's highly doubtful than one has the expertise to know what one is examining.
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06-29-2005 04:29 PM
06-29-2005 04:29 PM
Re: Core files
If it is in-house application(you have the source code), try compiling with -g option and then reproduce the core file. Use source code, app and core with gdb to find the stack trace, the current values of local variables, and all. By looking at the hex address, you can know the instruction causing the coredump.
In case you don't have the source code, or you don't want to recpompile, or debuggable app does not core dump, you can still work with the original application. The differnce being that now you have to understand the assembly instructions and then figure out the last instruction. Using the register names and with the understanding of HP-UX runtime env, you can trace the variable causing the issue.
Having said all this, its not necessary that you will be successful everytime, but there is a lot information in the core file to guide you in the right direction.
Regards,
Amit
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06-29-2005 05:50 PM
06-29-2005 05:50 PM
SolutionUse one of the program debuggers to create the additional information: gdb, xdb, or dde.
Determine the program that is generating the core
For eg:
file core
core: core file from 'dtcalc' - received SIGABRT
The default location all of these tools is
/opt/langtools/bin.
a. gdb (Gnu Debugger)
eg: gdb -xdb /usr/dt/bin/dtcalc core
b. dde - HP/DDE debugger
eg: dde -ui line core /usr/dt/bin/dtcalc
c. xdb
eg: xdb -l ALL /usr/dt/bin/dtcalc core
Regards
Vinod K
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07-07-2005 02:30 AM
07-07-2005 02:30 AM
Re: Core files
/opt/langtools/bin/dde -ui line core ./Q
?(dbgk_hpux_pa) File './Q' is not of a known object file type.
(Perhaps the file is a shell script?)
?(dbgk_hpux_pa) File '/sysval/iapa_poi/tools/svs/core' is not of a known object file type.
(Perhaps the file is a shell script?)
?(dde) Target program load of "/sysval/iapa_poi/tools/svs/core" failed
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07-07-2005 02:37 AM
07-07-2005 02:37 AM
Re: Core files
#!/usr/local/bin/wish -f
jacobs@hueco [/sysval/iapa_poi/tools/svs]% /opt/langtools/bin/dde -ui line core /usr/local/bin/wish