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Diffstat (limited to 'static/openbsd/man4/pwdog.4')
| -rw-r--r-- | static/openbsd/man4/pwdog.4 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/static/openbsd/man4/pwdog.4 b/static/openbsd/man4/pwdog.4 new file mode 100644 index 00000000..5995b636 --- /dev/null +++ b/static/openbsd/man4/pwdog.4 @@ -0,0 +1,58 @@ +.\" $OpenBSD: pwdog.4,v 1.7 2013/07/16 16:05:49 schwarze Exp $ +.\" +.\" Copyright (c) 2006 Marc Balmer <mbalmer@openbsd.org> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.Dd $Mdocdate: July 16 2013 $ +.Dt PWDOG 4 +.Os +.Sh NAME +.Nm pwdog +.Nd Quancom PWDOG1 watchdog timer device +.Sh SYNOPSIS +.Cd "pwdog0 at pci?" +.Sh DESCRIPTION +The +.Nm +driver provides support for Quancom PWDOG1 boards. +.Pp +If the kernel crashes, the watchdog timer is not reset and the system will +reboot (assuming a proper connection is made between the PWDOG1 and +the motherboard). +Alternatively, the watchdog can be reinitialized via a userland process which +ensures that process scheduling, not just kernel timeout processing, is still +taking place. +See +.Xr watchdog 4 +and +.Xr watchdogd 8 +for more information. +.Pp +The timeout period of the PWDOG1 card is set using DIP switches and cannot +be changed by software. +.Sh SEE ALSO +.Xr intro 4 , +.Xr pci 4 , +.Xr watchdog 4 , +.Xr watchdogd 8 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.1 . +.Sh AUTHORS +The +.Nm +driver was written by +.An Marc Balmer Aq Mt mbalmer@openbsd.org . |