Serial Port AWOL after 2.2 upgrade
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I found that the serial port disappeared after installing a 2.2 snapshot on one of my systems. System was happily running ntpd, with a serial port GPS clock, on 2.1.2 until the upgrade.
Following the helpful post by Robi here, https://forum.pfsense.org/index.php?topic=66601.msg388380#msg388380, I was able to re-enable the port again. I'm not sure how many systems this could affect, but just a heads-up here in case somebody else runs into it. The system affected is an Atom D2550 / NM10, http://www.newegg.com/Product/Product.aspx?Item=N82E16856205007
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Looks like a BIOS issue with that board/chip. A BIOS update or tweaking the ACPI options in there may help.
