CRASH(8) | System Manager's Manual | CRASH(8) |
crash
—
crash |
[-w ] [-M
core] [-N
kernel] |
crash
command is used to examine and debug system
images.
If run without any arguments, crash
operates on the running system.
The options are as follows:
-M
corecrash
, and must be uncompressed.-N
kernel-w
The command syntax used by crash
is the
same as the in-kernel debugger. See the
ddb(4) manual page for more
information.
Operations and facilities that require a running system, such as
breakpoints, are not supported by crash
.
crash
does not provide pagination.
However, by using the pipe symbol, output may be sent to commands available
from the shell. For example:
crash> ps | more crash> ps | grep ioflush
# echo ps | crash | grep '^[0-9]' | cut -c 30-46 | \ sed 's,^,bt/a ,' | crash
crash
command appeared in NetBSD
6.0.
crash
command for the sparc port is unstable.
March 22, 2019 | NetBSD 9.4 |