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VIAWD(4) Device Drivers Manual VIAWD(4)

NAME

viawd —
device driver for VIA south bridge watchdog timer

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:
device viawd

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

viawd_load="YES"

DESCRIPTION

The viawd driver provides watchdog(4) support for the watchdog interrupt timer present on VIA south bridge chipset (VT8251, CX700, VX800, VX855, VX900).

The VIA south bridge have a built-in watchdog timer, which can be enabled and disabled by user's program and set between 1 to 1023 seconds.

The viawd driver when unloaded with running watchdog will reschedule the watchdog to 5 minutes.

SEE ALSO

watchdog(4), watchdog(8), watchdogd(8), watchdog(9)

HISTORY

The viawd driver first appeared in FreeBSD 10.0.

AUTHORS

The viawd driver and this manual page were written by Fabien Thomas <fabient@FreeBSD.org>.
December 7, 2011 Linux 4.19.0-10-amd64