Ok, seems Virtualbox needs the NONPNP_HOOK_INT19 symbol defined. For future reference, this was on Virtualbox v4.0.16. Seems Virtualbox v4.1.8 needs it, too.
On Tue, Jan 24, 2012 at 10:45 AM, Mark Gollahon <mgolla...@exacq.com> wrote: > I went back to iPXE v1.0.0, compiled it, and it worked! So, I did a > git bisect (my first, woohoo!), and came up with this check-in as the > culprit: > > fcd55f750011e83709681476e8958fb4c9a2298d is the first bad commit > commit fcd55f750011e83709681476e8958fb4c9a2298d > Author: Michael Brown <mc...@ipxe.org> > Date: Tue May 17 15:35:23 2011 +0100 > > [romprefix] Do not fall back to hooking INT19 by default > > Several BIOSes (including most IBM BIOSes and many virtual machine > BIOSes) do not provide detectable PnP support, but will use the BEV > entry point for a PnP option ROM. On these semi-PnP BIOSes, iPXE will > respond to the absence of detectable PnP support by hooking INT19, > which disrupts the boot order. > > BIOSes that genuinely require hooking INT19 seem to be very rare > nowadays. It may therefore be preferable to assume that the absence > of detectable PnP support indicates a semi-PnP BIOS rather than a > non-PnP BIOS. > > Change the default behaviour so that INT19 will never be hooked unless > the compile-time option NONPNP_HOOK_INT19 is enabled. Leave the > redundant PnP detection routine in-place to allow for debugging via > the ROM banner line. > > Signed-off-by: Michael Brown <mc...@ipxe.org> > > :040000 040000 7fb0c10da6d39f3455ea99510b44ca5931ed00f8 > 9ee528e125c18207fdb34351de72c096cc774768 M src > > > So, what do I do now? > > > On Mon, Jan 23, 2012 at 5:10 PM, Mark Gollahon <mgolla...@exacq.com> wrote: >> Hello, list! >> >> I have been trying for days to compile an iPXE virtio-net ROM for use >> with Virtualbox, but have been unsuccessful. I originally followed >> the instructions on the etherboot site >> (http://WWW.etherboot.org/wiki/romburning/vbox) with just changing the >> driver to "virtio-net.rom" without success. I then tried >> "virtio-net.mrom" and that didn't work. As a sanity-check, I tried >> "virtio-net.iso" and that booted, so I know this works.... >> >> The symptoms that Virtualbox exibits when starting a virtual machine >> is a noticeable delay on showing the Virtualbox splash and then a >> "FATAL: No bootable medium found! System halted" message immediately >> after the VBox splash. If I remove the iPXE ROM from the VM's config >> (and leaving all the other config in place), there is no initial >> delay, but Virtualbox's Intel UNDI firmware doesn't have support for >> virtio-net. >> >> After all of this, I started compiling-out pieces of iPXE that I >> thought I might not use in my environment (and some I might) to try >> and get the ROM size down based on the message thread "iPXE with >> Virtualbox" started on this list by Pete I. Eby. I currently have >> removed fibre channel, all sanboot protocols, many download protocols, >> and several image supporters via these #undef's in the >> src/config/local/general.h file: >> >> FCMGMT_CMD >> NET_PROTO_FCOE >> >> SANBOOT_PROTO_ISCSI >> SANBOOT_PROTO_AOE >> SANBOOT_PROTO_IB_SRP >> SANBOOT_PROTO_FCP >> >> DOWNLOAD_PROTO_TFTP >> DOWNLOAD_PROTO_HTTPS >> DOWNLOAD_PROTO_FTP >> DOWNLOAD_PROTO_TFTM >> DOWNLOAD_PROTO_SLAM >> >> IMAGE_MULTIBOOT >> IMAGE_AOUT >> IMAGE_WINCE >> IMAGE_EFI >> >> I've also added this #undef to console.h for good measure: >> >> CONSOLE_SERIAL >> >> Furthermore, I've tried building the 82543GC iPXE ROM, and that one >> fails as well with the exact same symptoms (rom and mrom don't work, >> but ISO does). >> >> Next, I tried turning on Virtualbox's pxe debug ("VBoxManage modifyvm >> <vmname> --biospxedebug on"), but don't see any new information in >> Virtualbox's logs. >> >> And finally I've dropped back from Virtualbox v4.1.8 to v4.0.16 - same >> symptoms.... >> >> Does anyone have advice on where to go now? I'd really like to use >> iPXE in combination with virtio-net in Virtualbox. >> >> Thank you! _______________________________________________ ipxe-devel mailing list ipxe-devel@lists.ipxe.org https://lists.ipxe.org/mailman/listinfo/ipxe-devel