On Thu, Apr 15, 2021 at 09:53:50AM +0100, Patrick Welche wrote: > I have tried and failed to run xen on 3 -current/amd64 systems with > 3 different failure modes: > > 1) laptop: xen.gz Building a PV Dom0 / ELF: not an ELF binary -> panic/reboot > 2) desktop: XEN3_DOM0 panics including PR port-xen/55978 > 3) server: Trampoline space cannot be allocated; will try fallback -> reboot > > They are all working NetBSD-current/amd64 systems. > > My conclusion was that xen is hopelessly broken, so was quite surprised > by Greg Wood's thread about the finer points of running a guest OS, given > that those systems won't even start the host OS. > > I dug out an old desktop, and to my pleasant surprise it booted XEN3_DOM0, > and I have managed to run some XEN3_DOMUs. > > The difference between the working/broken setups seems to be that the > working one is "BIOS" booting rather than EFI booting. > > Among all your xen success stories, are any of you EFI booting?
AFAIK EFI is not yet supported by Xen (maybe this is supported by 4.15, I've not had a chance to try yet). I have it running on fairly recent Dell servers (in BIOS mode) -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --
