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ICHWDT(4) Device Drivers Manual ICHWDT(4)

NAME

ichwdtIntel 6300ESB ICH watchdog timer device

SYNOPSIS

ichwdt* at pci?

DESCRIPTION

The ichwdt driver supports the watchdog timer of the Intel 6300ESB I/O Controller Hub.
ichwdt provides the standard watchdog(4) interface and may be used with watchdogd(8). The watchdog timer can be configured via sysctl(8).
Once the watchdog timer resets the CPU, the driver reports it on the next boot displaying the “reboot on timeout” message in the dmesg.

SEE ALSO

intro(4), pci(4), watchdog(4), sysctl(8), watchdogd(8)

HISTORY

The ichwdt device first appeared in OpenBSD 3.8.

AUTHORS

The ichwdt driver was written by Alexander Yurchenko <grange@openbsd.org>.
November 15, 2014 OpenBSD-current