Linux freezes on reboot. Requires BIOS change to windows8 from win7

I use an Intel celeron J1900 based Nano-itx board (http://www.qotom.net/product/17.html ) which runs ubuntu linux. When reboot command is typed on console, the system freezes after few seconds. The same behavior happens with Yocto poly linux. The solution ( https://forums.untangle.com/hardware/42112-qotom-j1900-hangs-reboot.html ) is to power cycle and boot into BIOS. Change to “OS Selection” option from…

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