On Friday 21 April 2006 11:10, Stefan Kaltenbrunner <[EMAIL PROTECTED]> wrote: > Dave Feustel wrote: > > On Saturday 15 April 2006 17:53, Anthony Liguori wrote: > > > >>On Sat, 15 Apr 2006 17:39:10 -0500, Dave Feustel wrote: > >> > >>>AMD Pacifica and Intel's VT make possible the virtualization of unmodified > >>>operating systems. Is it still necessary to add code to the hypervisor to > >>>support specific operating systems, or can Xen, as written, support any > >>>arbitrary OS that successfully boots on a PC? (I'm thinking of the BSDs > >>>here).
(snipped) > >>While theoretically, > >>VT and SVM ought to allow any OS to run under Xen, in practice, if an OS > >>hasn't been tested as a guest under Xen, it is likely to turn up some bugs > >>or incompleteness. Over time, this will certainly be a less of an issue. > >> > >>The problem has to do with the fact that different OS's will use different > >>instructions when accessing things like page tables. Right now, Xen only > >>emulates the instructions that we know are used by the systems we test > >>with (things like Linux and certain versions of Windows). > > (snipped) > OpenBSD 3.9 works quite fine (installed using the native installer in > the virtualized environment!) as an unmodified guest on my Intel VT box, > with following caveats: > > *) pcn(4) - aka AMD Pcnet does not seem to work well with the emulated > one (send works - receive does not) > > *) ne(4) does work but is complaining about corrupted nic memory under > heavy traffic (does not seem to affect it much other than logging th errors) > > > Stefan -- Lose, v., experience a loss, get rid of, "lose the weight" Loose, adj., not tight, let go, free, "loose clothing"
