Date: Sun, 25 May 2025 13:14:05 +0200 From: Roman Bogorodskiy <novel@freebsd.org> To: virtualization@freebsd.org Subject: bhyve: bootindex= not working? Message-ID: <aDL7fQR2nhjH_RmL@tulp>
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Hi, I'm trying to understand how to use bootindex= configuration for disk devices. I start with a fresh copy of the VARs file: sudo cp /usr/local/share/uefi-firmware/BHYVE_UEFI_VARS.fd /data/vars/freebsd_VARS.fd Then start a VM: sudo bhyve -c 2 -m 4096 -A -I -u -H -P \ -s 0:0,hostbridge \ -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd,/data/vars/freebsd_VARS.fd,fwcfg=qemu \ -s 2:0,xhci,tablet -s 1:0,lpc \ -s 3:0,ahci,hd:/data/img/freebsd.img,bootindex=1,cd:/data/isos/FreeBSD-14.2-RELEASE-amd64-disc1.iso,bootindex=2 \ -s 5:0,fbuf,tcp=127.0.0.1:5920 -l com1,/dev/nmdm5A \ freebsd With this configuration I expect it to boot from the "hd" device. Instead, it boots into the installer. In the installer I see: # efibootmgr -v Boot to FW : false BootCurrent: 0001 Timeout : 0 seconds BootOrder : 0000, 0001, 0002, 0003 Boot0000* UiApp Fv(7cb8bdc9-f8eb-4f34-aaea-3ee4af6516a1)/FvFile(462caa21-7614-4503-836e-8ab6f4662331) +Boot0001* UEFI BHYVE SATA DVD ROM BHYVE-6057-BC56-DB6C PciRoot(0x0)/Pci(0x3,0x0)/Sata(0x1,0xffff,0x0) Boot0002* UEFI BHYVE SATA DISK BHYVE-412B-5D46-BC34 PciRoot(0x0)/Pci(0x3,0x0)/Sata(0x0,0xffff,0x0) Boot0003* EFI Internal Shell Fv(7cb8bdc9-f8eb-4f34-aaea-3ee4af6516a1)/FvFile(7c04a583-9e3e-4f1c-ad65-e05268d0b4d1) Unreferenced Variables: # I thought maybe it doesn't pay attention to bootindex= when the VARs file is specified, so I tried like this: sudo bhyve -c 2 -m 4096 -A -I -u -H -P \ -s 0:0,hostbridge \ -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd,fwcfg=qemu \ -s 2:0,xhci,tablet -s 1:0,lpc \ -s 3:0,ahci,hd:/data/img/freebsd.img,bootindex=1,cd:/data/isos/FreeBSD-14.2-RELEASE-amd64-disc1.iso,bootindex=2 \ -s 5:0,fbuf,tcp=127.0.0.1:5920 -l com1,/dev/nmdm5A \ freebsd Result is the same. Also, instead of this: -s 3:0,ahci,hd:/data/img/freebsd.img,bootindex=1,cd:/data/isos/FreeBSD-14.2-RELEASE-amd64-disc1.iso,bootindex=2 \ I've tried: -s 3:0,ahci-hd,/data/img/freebsd.img,bootindex=1 -s 4:0,ahci-cd,/data/isos/FreeBSD-14.2-RELEASE-amd64-disc1.iso,bootindex=2 \ No difference. No, going back to the very first command I used. In the installer's shell, I execute: # efibootmgr -o 0002 Boot to FW : false BootCurrent: 0001 Timeout : 0 seconds BootOrder : 0002 Boot0002* UEFI BHYVE SATA DISK BHYVE-412B-5D46-BC34 # And reboot. It boots from the disk now, according to the configuration: root@freebsd:~ # efibootmgr -v Boot to FW : false BootCurrent: 0002 Timeout : 0 seconds BootOrder : 0002, 0000, 0001, 0003 +Boot0002* UEFI BHYVE SATA DISK BHYVE-412B-5D46-BC34 PciRoot(0x0)/Pci(0x3,0x0)/Sata(0x0,0xffff,0x0) Boot0000* UiApp Fv(7cb8bdc9-f8eb-4f34-aaea-3ee4af6516a1)/FvFile(462caa21-7614-4503-836e-8ab6f4662331) Boot0001* UEFI BHYVE SATA DVD ROM BHYVE-6057-BC56-DB6C PciRoot(0x0)/Pci(0x3,0x0)/Sata(0x1,0xffff,0x0) Boot0003* EFI Internal Shell Fv(7cb8bdc9-f8eb-4f34-aaea-3ee4af6516a1)/FvFile(7c04a583-9e3e-4f1c-ad65-e05268d0b4d1) Unreferenced Variables: root@freebsd:~ # Now, if I swap the bootindex= values to force to boot from the CD, it also has no effect, from now on it'll be booting from the disk. All in all, it looks like it stores boot options in the VARS file properly, but completely ignores the bootindex command line configuration. Is it a bug somewhere or am I doing something wrong? I'm running 15.0-CURRENT ~1 month old and edk2-bhyve-g202308_5. Guest is FreeBSD 14.2-RELEASE. Thanks, Roman
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