UEFI ISO boot not working in 12.1 ?

[Chris]

On Wed, 6 Nov 2019 14:17:11 -0500 Chris Ross cross+freebsd at distal.com said

> Hi there.  I tried booting FreeBSD-12.1-RELEASE-amd64-disc1.iso on a system
> here, which didn't work, and I found that
> FreeBSD-12.0-RELEASE-amd64-disc1.iso
> did work on that same system.  Another [older] system I had was working with
> FreeBSD-12.1-RELEASE-amd64-disc1.iso, but after I had reason to change that
> older system to UEFI boot mode, I found it also would not boot the 12.1 
> ISO any longer
> 
> A successul UEFI boot of 12.0-RELEASE-amd64-disc1 shows many lines of EFI
> information to the console, and nearing the bottom:
> 
>   BootOrder: 0001 0002 0003 0004[*]
>   BootInfo Path:
> PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x3)/CDROM(0x1)
>   BootInfo Path: VenHw(<UUID>,<octal>)
> Ignoring Boot0004: No Media Path
> Trying ESP: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x3)
> Setting currdev to cd3:
> -
> 
> And, that last line is a spinning cursor, after which becomes:
> 
> Loading /boot/defaults/loader.conf
> 
> And continues on from there.   However, the attempt to boot 12.1-RELEASE
> never loads the loader and allows it to boot.  The console output
> for 12.1-RELEASE is below.  Can anyone help me figure out if it's something
> I need to do?  How has 12.1 changed w.r.t. 12.0 for UEFI?
> 
> The 12.1-RELEASE shows the same as above until starting with "Trying ESP":
> 
> Trying ESP:
> PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x3)/CDROM(0x1)
> Setting currdev to cd4:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x1)
> Setting currdev to cd0:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x2)
> Setting currdev to cd1:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x3)
> Setting currdev to cd2:
> Trying:
> PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x3)/CDROM(0x0)
> Setting currdev to cd3:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x4)
> Setting currdev to cd5:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x5)
> Setting currdev to cd6:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x6)
> Setting currdev to cd7:
> Trying: PciRoot(0x0)/Pci(0x14,0x0)/USB(0x5,0x0)/USB(0x2,0x0)/Unit(0x7)
> Setting currdev to cd8:
> Failed to bind bootable partition
> press any key to interrupt reboot in 5 seconds
> 
> Let me know why 12.1-RELEASE is not behaving the same way on my systems...
> 
> Thank you.
> 
>                    - Chris

Not trying to hijack this thread,
But on a similar note; Wile I'm able to boot/install from them.
None of the October (12.1) install images will produce a bootable install.
So I'm stuck on RELENG-12. This is on a Core 13 second gen.
IOW my problem is the inverse of yours.

--Chris