ICHWD(4) BSD Kernel Interfaces Manual ICHWD(4)NAME
ichwd -- device driver for the Intel ICH watchdog interrupt timer
SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file:
device ichwd
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
ichwd_load="YES"
DESCRIPTION
The ichwd driver provides watchdog(4) support for the watchdog interrupt timer present on all Intel ICH motherboard chipsets.
The ICH WDT counts down in ticks of approximately 0.6 seconds; the exact value depends on hardware quality and environmental factors. Sup-
ported watchdog intervals range from 2 to 63 ticks.
Note that on some ICH-based systems, the WDT may be present but disabled, either in hardware or by the BIOS. The ichwd driver attempts to
detect this condition and will refuse to attach if it believes the WDT is disabled.
SEE ALSO watchdog(4), watchdog(8), watchdogd(8), watchdog(9)
Using the Intel ICH Family Watchdog Timer (WDT), Intel Application Note AP-725, Document Number 292273-001.
HISTORY
The ichwd driver first appeared in FreeBSD 5.3.
AUTHORS
The ichwd driver was written by Wm. Daryl Hawkins <dhawkins@tamu.edu> of Texas A&M University and Dag-Erling Smorgrav <des@FreeBSD.org>.
This manual page was written by Dag-Erling Smorgrav <des@FreeBSD.org>.
BSD August 20, 2008 BSD
Check Out this Related Man Page
VIAWD(4) BSD Kernel Interfaces 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>.
BSD December 7, 2011 BSD
Hello All
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My CPU is one of those cartridge types which is mounted... (5 Replies)
Can anybody help me about 965 motherboard? I have one, and i want visual console on it in RHEL5. If anyone has the module any any form plz send it for me.
I will very thankful to U. (0 Replies)
hi,
is it possible to disable the "hardware watchdog" on a V240 sol 10 server?
and how to?
this server freeze 9/10 during boot on this command...:mad:
thanks (3 Replies)
I'm trying to get a watchdog module working on a server. (Watchdog timers are little hardware devices that reboot the system if it becomes unresponsive.) The module takes some options like the timeout til reboot, what power action to take, etc. I've set these options up in... (4 Replies)
Hi All,
I am getting pages from EMS(Event Monitoring Servers) for "no watchdog notification"
I just wonder what cause this and what to look in the system.
this error was generated from production lpar which hosts p570
Thanks
Mann (4 Replies)