Re: watchdog timeout on Wandboard Quad

> Dear all,
> 
> I want to run FreeBSD current on a Wandboard Quad. I installed
> https://download.freebsd.org/snapshots/arm/armv7/ISO-IMAGES/16.0/FreeBSD-16.0-CURRENT-arm-armv7-GENERICSD-20260518-ca67cfa5237f-285947.img.xz
> on a SD card and also installed /usr/local/share/u-boot/u-boot-wandboard/u-boot.imx as described
> in /usr/local/share/u-boot/u-boot-wandboard/README
> 
> FreeBSD boots fine but every two minutes the watchdog timer fire and uboot boots again.
> 
> The message is:
> 
> U-Boot SPL 2025.10 (May 03 2026 - 12:17:39 +0000)
> Trying to boot from MMC1
> 
> 
> U-Boot 2025.10 (May 03 2026 - 12:17:39 +0000)
> 
> CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
> Reset cause: WDOG
> DRAM:  2 GiB
> Core:  65 devices, 19 uclasses, devicetree: separate
> WDT:   Started watchdog@20bc000 with servicing every 1000ms (128s timeout)
> MMC:   FSL_SDHC: 4, FSL_SDHC: 1, FSL_SDHC: 0
> Loading Environment from MMC... Reading from MMC(0)... *** Warning - bad CRC, using default environment
> 
> i2c_mxc i2c@21a4000: i2c bus 1 at 0x21a4000, fail to request scl/sda gpio
> auto-detected panel FWBADAPT-LCD-F07A-0102
> Display: FWBADAPT-LCD-F07A-0102 (800x480)
> In:    serial
> Out:   serial
> Err:   serial
> Board: Wandboard rev C1
> Net:   eth0: ethernet@2188000
> 
> Hit any key to stop autoboot: 0
> 
> How can I avoid this periodic reboot?
> 

Best way would be to find out how to disable the WDT:  Started you show above,
but I am not sure how to do that.

So.....
watchdog -t 0
should disable it, put this in /etc/rc.local, hopefully that gits run before the 128 seconds.

> Best regards
> Michael

-- 
Rod Grimes                                                 [email protected]