68 lines
2.5 KiB
Groff
68 lines
2.5 KiB
Groff
.\" $NetBSD: panic.9,v 1.2 1996/10/09 17:20:04 explorer Exp $
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.\"
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.\" Copyright (c) 1996 Michael Graff.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Michael Graff
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.\" for the NetBSD Project.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 11, 1995
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.Dt PANIC 9
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.Os
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.Sh NAME
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.Nm panic
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.Nd Bring down system on fatal error
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.Sh SYNOPSIS
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.Fd #include <sys/param.h>
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.Ft void
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.Fn panic "const char *fmt, ..."
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.Sh DESCRIPTION
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The
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.Fn panic
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function terminates the running system. The message
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.Fa fmt
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is a
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.Xr printf 3
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style format string. The message is printed to the console and the location
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.Fa panicstr
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is set to the address of the message text for retrieval from the OS
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core dump.
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.Pp
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If the kernel debugger is installed control is passed to it, otherwise
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an attempt to save a core dump of the OS to a configured dump device
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is made.
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.Pp
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If
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.Fn panic
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is called twice (from the disk sync routines, for example) the system is
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rebooted without syncing the disks.
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.Sh RETURN VALUES
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The
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.Fn panic
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function does not return.
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