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Top Forums Shell Programming and Scripting Unable to catch the output after core dump and bus error Post 302364792 by rakeshou on Saturday 24th of October 2009 12:18:44 AM
Old 10-24-2009
Quote:
Originally Posted by binlib
when the program ran alone without redirection or pipe line, the output went to screen which was line buffered so you can see it before it died. All the other scenarios you had later involved buffering of larger amount of data. Due to the sudden death of the program the output was lost.
You can run the program under a tty program or modify the source code to make it line buffered or flush the output.
Would appreciate if you could explain or could lead me to the solution to this problem.

Thank You.
 

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crashdc(8)						      System Manager's Manual							crashdc(8)

NAME
crashdc - Diagnostic data collection for a running or crashed system SYNOPSIS
/usr/bin/crashdc [system-kernel] [core-image] DESCRIPTION
The crashdc utility examines the core image of the operating system to extract critical diagnostic data. This utility is a shell script that invokes several tools and commands that extract selected parameters of a running or a crashed system (for example, system configura- tion, running processes, and panic messages). The arguments to the crashdc utility are the system kernel and the core image. The default values are /vmunix and /dev/mem, respectively. If you specify no arguments, the crashdc utility examines the running system. The system usually invokes the crashdc utility during system startup. If the most recent core dump has been saved by the savecore command, both the core image and the system kernel (respectively vmcore.n and vmunix.n, where the variable n is the crash number) are saved in the crash directory (by default, /var/adm/crash). Also, the crashdc utility saves the output as the file crash-data.n (where the variable n is the crash number) in the crash directory. The crashdc utility is invoked only if crash-data.n output in the crash directory does not exist or is not from the most recent crash. FILES
Default core image Default system image Output from crashdc SEE ALSO
Commands: dbx(1), kdbx(8), savecore(8) crashdc(8)
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