On Fri, Nov 20, 2009 at 02:08:03PM -0500, Kevin O'Connor wrote: > On Fri, Nov 20, 2009 at 01:03:51PM -0500, Kevin O'Connor wrote: > > I've looked into this, and it looks like the cdrom is left in an odd > > state. At this point, I think SeaBIOS is tickling a bug outside of > > seabios (eg, in Vista or qemu). I would appreciate it someone with > > cdrom knowledge of qemu could help. > [...] > > SeaBIOS has a different ata drive detection mechanism than bochs - it > > needs it in order to work on real hardware. So, this explains why > > bochs bios doesn't show this issue. (Seabios tries to send an > > "identify packet device" and then an "identify device" command to > > detect a drive; bochs bios looks for a signature in the ata registers > > after an ata reset.) > > It looks like I spoke too soon. It appears the SeaBIOS init can leave > the ATA controller in an interrupts disabled state. This appears to > confuse Vista. So, this is a SeaBIOS bug - I'll implement a fix. I've committed a fix to SeaBIOS - commit 42bc3940. -Kevin -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
