[systemd-devel] [PATCH v3 3/4] manager: add a global watchdog reboot timestamp

Albert Strasheim fullung at gmail.com
Wed Feb 1 11:27:31 PST 2012


On Wed, Feb 1, 2012 at 11:24 PM, Chris Paulson-Ellis <chris at edesix.com> wrote:
> On 01/02/12 19:05, Lennart Poettering wrote:
>> (As I figured out newer Intel chipsets all have watchdogs now, so I am
>> actually quite keen to see this implemented in systemd now, since I can
>> actually test it.)
> Just a warning to anyone who's thinking of depending on the chipset
> watchdog... In my experience, many boards are not correctly wired up to
> reset properly when the chipset watchdog fires. Although it works most of
> the time, I've had boards hang under testing using the iTCO_wdt watchdog
> driver.

Some more info:

I've found that the "Optimal Defaults" BIOS option on some
motherboards disables the iTCO_wdt watchdog.

Luckily server boards usually also have an IPMI watchdog, which works
great under Linux.



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