Proposing a fix to EFI loader auto upgrade

Warner,



I've been wanting to find a path to seeing this resolved and I have a proposed patch for the EFI loader auto upgrade.  I did get some help from Claude Code, and I've got a test suite, as well, I've tested on the FreeBSD 14 box I was offering earlier for testing and it worked great.



I found D45890 for adding a warning, and I would like to offer a fix for this issue.  My configuration is FreeBSD 14.0-p11 on amd64 with UEFI on ZFS.  My proposed fix isn't limited to my specific configuration.



Would it make sense to open a review for my proposed fix?


I've got an account request on reviews.freebsd.org pending ([email protected]), and for now, I'm looking to hear your thoughts on next steps.



Best,

Ron



Open Technology Partners, LLC  |  [email protected]  |  415.583.9497 /mobile  |  408.515.2769 x32 /office




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From: Ronald Pagani Jr. <[email protected]>
To: "Warner Losh"<[email protected]>
Date: Sun, 18 Jan 2026 22:29:42 -0800
Subject: Re: Warner, great to meet // zroot test EFI loader auto upgrade



Happy New Year Warner,



When we chatted at the FreeBSD Vendor Summit, I think you mentioned you had a script in mind for users with only one boot partition (like me), to automate the simple case and upgrade boot loader.  I'm still very much up for trying it out (unless it was merged already and I just have been out to lunch).



I'm still sitting at 14.0 p11 as the test candidate, and wanted to be available to help with automating this upgrade path.  Let me know if there's something I can help with.



# efibootmgr -v

Boot to FW : false

BootCurrent: 0004

Timeout    : 1 seconds

BootOrder  : 0004, 0002, 0003, 0000

+Boot0004* UEFI : Samsung SSD 970 EVO 500GB : PART 0 : OS Bootloader PciRoot(0x0)/Pci(0x1d,0x0)/Pci(0x0,0x0)/NVMe(0x1,3a-1a-50-01-51-38-25-00)/HD(1,GPT,228044d9-1bc1-11eb-924d-1c697a6048c3,0x28,0x64000)

                                                                    VenHw(2d6447ef-3bc9-41a0-ac19-4d51d01b4ce6,530061006d00730075006e006700200053005300440020003900370030002000450056004f002000350030003000470042000000)

Boot0002* UEFI : LAN : PXE IP4 Intel(R) Ethernet Connection (6) I219-V PciRoot(0x0)/Pci(0x1f,0x6)/MAC(1c697a6048c3,0x0)/IPv4(0.0.0.0,0x0,DHCP,0.0.0.0,0.0.0.0,0.0.0.0)

                                                                       VenHw(2d6447ef-3bc9-41a0-ac19-4d51d01b4ce6,5000580045002000490050003400200049006e00740065006c002800520029002000450074006800650072006e0065007400200043006f006e006e0065006300740069006f006e002000280036002900200049003200310039002d0056000000)

Boot0003* UEFI : LAN : PXE IP6 Intel(R) Ethernet Connection (6) I219-V PciRoot(0x0)/Pci(0x1f,0x6)/MAC(1c697a6048c3,0x0)/IPv6(0000:0000:0000:0000:0000:0000:0000:0000,0x0,Static,0000:0000:0000:0000:0000:0000:0000:0000,0x40,0000:0000:0000:0000:0000:0000:0000:0000)

                                                                       VenHw(2d6447ef-3bc9-41a0-ac19-4d51d01b4ce6,5000580045002000490050003600200049006e00740065006c002800520029002000450074006800650072006e0065007400200043006f006e006e0065006300740069006f006e002000280036002900200049003200310039002d0056000000)

Boot0000* Windows Boot Manager VenHw(99e275e7-75a0-4b37-a2e6-c5385e6c00cb)

                               HD(1,GPT,8046efd4-c078-4da5-a3d0-24c3888f52d2,0x800,0x32000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)





Unreferenced Variables:





(Related to:  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279829 )



Best,

Ron











From: Ronald Pagani Jr. < mailto:[email protected] >
To: "Warner Losh"< mailto:[email protected] >
Date: Thu, 06 Nov 2025 15:24:20 -0800
Subject: Re: Warner, great to meet // zroot test EFI loader auto upgrade



My bad --



14.0-RELEASE-p11 FreeBSD 14.0-RELEASE-p11 #0: Wed Sep 18 23:01:59 UTC 2024     mailto:[email protected] :/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64







---- On Thu, 06 Nov 2025 15:08:47 -0800 Ronald Pagani Jr. < mailto:[email protected] > wrote ---






Warner,



Here's the mail you might be expecting :-)



Again, great chatting today and I'm interested to test auto upgrade for the EFI bootloader.



I think we figured out I start these systems sometime in 12-RELEASE, and got snagged on trying to upgrade from 14.1-RELEASE.



Best,

Ron



(Sent from mobile, please excuse grammatical errors)





Best Regards,
Ronald Pagani Jr., Principal
Open Technology Partners, LLC
mailto:[email protected] 
 /mobile

 x32 /office

https://www.linkedin.com/in/ronaldp1/ 



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