On Thursday, 01.10.2015 at 16:51, Martin Lucina wrote: > On Wednesday, 30.09.2015 at 21:00, Andrew Stuart wrote: > > >>Any ideas? > > > > I’m out of my depth technically here but on Linux you can send console > > output to both VGA and serial. I don’t know if that is practical or > > relevant here. > > https://www.kernel.org/doc/Documentation/serial-console.txt > > We definitely don't want to do that by default because a) It's slow b) The > platform might have something else on COM1. > > Anyway, I've figured out the obvious answer, which is to detect Xen (or in > fact other hypervisors) using CPUID and prefer the serial console if on > Xen. Just trying to get it into a committable state...
The "default to serial if on Xen HVM" feature is now pushed, and tested on my local Xen setup. Please test on EC2 and report back.
