Re: NOVA, NUL, snapshotting

On Thu, Jan 09, 2014 at 05:53:56PM +0100, Julian Stecklina wrote:
> On 01/09/2014 04:48 PM, Sartakov A. Vasily wrote:
> >>> According to my "ps aux" I see two getty with ttyS0 and ttyS1. 
> >>> Moreover I see /dev/issue welcome messages in my serial console but I still can???t write anythings, looks like console gives output only. 
> >>> I have tried with pty/udp/telnet on qemu side - all the same, only output. 
> >>
> >> I am confused. Are you asking about Qemu or NUL/Vancouver?
> > 
> > I???m using nested virtualization. I run NOVA/NUL inside QEMU
> 
> I am not sure whether we have ever implemented serial input to VMs.

I had, but the functionality seems to be lost in Seoul.

You could either directly assign the serial port from the host via directio.cc
or forward keyboard input from the console via kbd2serial.cc. Finally there was
a serial2kbd.cc to get keystrokes from the serial port.


  Bernhard