Is ASpeed 2400 BMC Watchdog supported? (Was: ICH WatchDog driver can not attach on C226 chipset even if watchdog is enabled in BIOS and works)

[Lev Serebryakov]

Hello Lev,

Saturday, May 20, 2017, 8:00:58 PM, you wrote:

>  I've replaced Supermicro X9SCL motherboard with X10SLH. It is C226 chipset.
>  I have "ichwd" device in my kernel config. Watchdog is enabled (default) by
>  jumper.

>   When watchdog is disabled in BIOS driver complains, that it is disable and
>  fails to start. It is expected.

>   When I enable watchdog in BIOS, driver still complains:

> ichwd0: <Intel Lynx Point watchdog timer> at port 0x1830-0x1837,0x1860-0x187f on isa0
> ichwd0: ICH WDT present but disabled in BIOS or hardware
> device_attach: ichwd0 attach returned 6

>   But after 5 minutes system reboots! So, watchdog works in this case, but
> still driver could not attach to it, which makes watchdog useless.
 Looks like ICH watchdog is really disabled, as I found this answer from
 SuperMicro:

Question: What chip is used on motherboard X10SLL-F for the Watch Dog function?
Answer: The BMC chip is used, which is the ASpeed 2400 chip on the motherboard

 Is it possible to use this watchdog in FreeBSD?

-- 
Best regards,
 Lev                            mailto:lev at serebryakov.spb.ru