/emulators/virtualbox-ose Serial port access?
htwiz2002 at gmail.com
Tue Oct 28 02:09:19 UTC 2014
So I have battled my way through various forum posts and sites around the
internet, and I think I have whittled my issue down to something weird in
Basically, I am trying to pass a serial port into a VM for the purposes of
running a fax modem.
The modem appears on the FreeBSD host as /dev/cuau0, and I can use Minicom
to open it and perform various AT commands at the host level.
So, I have set a Windows 2012 VM to put the port as Com1 using the Serial
The problem is, communication is highly erratic inside the Guest, most
characters not coming or going correctly, even under a simple HyperTerminal
session. It is almost like the CTS pin is permanently active but the actual
device is not really ready for data.
Is this a known issue?
Using VirtualBox 4.3.18_OSE on FreeBSD 9.2
Apparently the users and Oracle are pointing the finger at the
oh-so-highly-customized-we-dont-know-what-they-did-to-it FreeBSD version of
virtualbox, and will no lift a finger to help diagnose the issue.
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