On Mon, Jun 01, 2015 at 02:24:02PM +0200, Gerd Hoffmann wrote: > On Mo, 2015-06-01 at 14:17 +0200, Michael S. Tsirkin wrote: > > On Mon, Jun 01, 2015 at 01:40:19PM +0200, Gerd Hoffmann wrote: > > > On Mo, 2015-06-01 at 12:44 +0300, Marcel Apfelbaum wrote: > > > > On 05/31/2015 09:12 PM, Michael S. Tsirkin wrote: > > > > > On Mon, May 25, 2015 at 06:34:01PM +0300, Marcel Apfelbaum wrote: > > > > >> PXB does not work with unsupported bioses, but should > > > > >> not interfere with normal OS operation. > > > > >> We don't ship them anymore, but it's reasonable > > > > >> to keep the work-around until we update the bios in qemu. > > > > > > > > > > We already did, did we not? > > > > Yes, we did, but Gerd preferred to keep this patch around. > > > > Adding him to thread. > > > > > > seabios bundled with qemu isn't the only possible firmware. > > > > > > We have ovmf, coreboot, qboot. > > > > ovmf is especially interesting. Marcel, did you look at what > > happens with pxb and ovmf? > > > > > You might boot with old seabios for > > > whatever reasons (say bisecting down something). > > > > But then you won't have pxb, will you? > > Devices behind pxb wouldn't be working because they didn't got resources > assigned, yes.
I mean that there's no way to get old seabios+pxb when bisecting. > But at least the resources for the primary root bus > devices would not be screwed up like they are without this patch (IIRC). > > cheers, > Gerd >
