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crashinfo (8)

>> crashinfo (8) ( FreeBSD man: Команды системного администрирования )

BSD mandoc

NAME



crashinfo

 - analyze a core dump of the operating system

SYNOPSIS

[-d crashdir ] [-n dumpnr ] [-k kernel ] [core ]

DESCRIPTION

The utility analyzes a core dump saved by savecore(8). It generates a text file containing the analysis in the same directory as the core dump. For a given core dump file named vmcore.XX the generated text file will be named core.txt.XX

By default, analyzes the most recent core dump in the core dump directory. A specific core dump may be specified via either the core or dumpnr arguments. Once has located a core dump, it analyzes the core dump to determine the exact version of the kernel that generated the core. It then looks for a matching kernel file under each of the subdirectories in /boot The location of the kernel file can also be explicitly provided via the kernel argument.

Once has located a core dump and kernel, it uses several utilities to analyze the core including dmesg(8), fstat(1), iostat(8), ipcs(1), kgdb(1), netstat(1), nfsstat(1), ps(1), pstat(8), and vmstat(8).

The options are as follows:

-d crashdir: Specify an alternate core dump directory. The default crash dump directory is /var/crash
-n dumpnr: Use the core dump saved in vmcore. dumpnr instead of the latest core in the core dump directory.
-k kernel: Specify an explicit kernel file.

HISTORY

The utility appeared in Fx 8.0 .