Control: tags -1 + unreproducible moreinfo Hi Kevin,
On Fri, 23 Sep 2022 17:32:10 -0400 Kevin Otte <ni...@nivex.net> wrote: > Package: ipxe-qemu > Version: 1.0.0+git-20190125.36a4c85-5.1 > Severity: important > > When attempting to network boot a UEFI VM, cannot boot the Linux kernel image: > > iPXE> ifopen net0 > iPXE> dhcp > Configuring (net0 52:54:00:b1:e7:9f).................. ok > iPXE> kernel http://gemini.int.home.nivex.net/boot/bullseye/amd64/linux > http://gemini.int.home.nivex.net/boot/bullseye/amd64/linux... ok > Could not select: Exec format error (http://ipxe.org/2e008081) > iPXE> > > This works fine in a BIOS based VM. > I cannot confirm your observation and suspect your kernel has not been built with CONFIG_EFI_STUB. Please read the 'Additional notes' paragraph of http://ipxe.org/2e008081. Can you please try a kernel which includes the EFI stub? Here are the ipxe specific parts of my tests using files 'initrd.gz' and 'linux' from the debian-installer-12-netboot-amd64 package. In both cases the VM booted into the installer. Booting VM with BIOS: iPXE 1.21.1+git20220113.fbbdc3926+dfsg-2 -- Open Source Network Boot Firmware -- https://ipxe.org Features: DNS HTTP HTTPS iSCSI NFS TFTP VLAN AoE ELF MBOOT PXE bzImage Menu PXEXT iPXE> dhcp Configuring (net0 52:54:00:1a:34:c8)... ok iPXE> initrd boot/initrd.gz boot/initrd.gz... ok iPXE> kernel boot/linux boot/linux... ok iPXE> imgstat initrd.gz : 40734957 bytes linux : 8189888 bytes [bzImage] [SELECTED] iPXE> boot Probing EDD (edd=off to disable)... ok Booting the same VM with UEFI (needed to give the initrd= parameter to make 'boot' work while kernel loaded fine without it): iPXE 1.21.1+git20220113.fbbdc3926+dfsg-2 -- Open Source Network Boot Firmware -- https://ipxe.org Features: DNS HTTP HTTPS iSCSI NFS TFTP VLAN SRP AoE EFI Menu iPXE> dhcp Configuring (net0 52:54:00:1a:34:c8)... ok iPXE> initrd boot/initrd.gz boot/initrd.gz... ok iPXE> kernel boot/linux initrd=initrd.gz boot/linux... ok iPXE> imgstat initrd.gz : 40734957 bytes linux : 8189888 bytes [EFI] [SELECTED] "initrd=initrd.gz" iPXE> boot EFI stub: Loaded initrd from command line option Best, Sven -- GPG Fingerprint 3DF5 E8AA 43FC 9FDF D086 F195 ADF5 0EDA F8AD D585
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