Re: New loader_lua.efi causes kernels to hang at boot

From: Konstantin Belousov <kib_at_freebsd.org>
Date: Mon, 30 Aug 2021 09:33:25 UTC
On Sun, Aug 29, 2021 at 08:27:02PM -0500, Dustin Marquess wrote:
> I am upgrading a -CURRENT box from a build that's exactly 2 weeks old to
> one I built about 2 hours ago. After installkernel I updated the bootloader
> the same way I normally do:
> 
> # mount_msdosfs /dev/da8p1 /mnt
> # cp /mnt/EFI/BOOT/BOOTX64.efi /mnt/EFI/BOOT/BOOTX64.bak
> # cp loader_lua.efi /mnt/EFI/BOOT/BOOTX64.efi
> # umount /mnt
> 
> After rebooting, however, the kernel hangs right after:
> 
> real memory  = 137438953472 (131072 MB)
> avail memory = 133651951616 (127460 MB)
> ACPI APIC Table: <LENOVO SV-INT  >
> 
> It never makes it to this line:
> 
> FreeBSD/SMP: Multiprocessor System Detected: 32 CPUs
> FreeBSD/SMP: 2 package(s) x 8 core(s) x 2 hardware threads
> 
> So I rebooted a selected kernel.old at the boot menu and.. same thing.
> That's strange!
> 
> So I booted off a USB stick, mounted the EFI partition and copied
> BOOTX64.bak back to BOOTX64.efi and now the machine booted normally.
> 
> So for some reason the newer loader_lua.efi is causing both the new kernel
> AND the old kernel to hang, but the older loader_lua.efi seems to work with
> both no problem.

Show your loader.conf.

Try to add
exec="copy_staging enable"
line to it, does it hide the problem?