diff options
Diffstat (limited to 'working/velox-reinstall')
| -rw-r--r-- | working/velox-reinstall/velox-reinstall-runbook.org | 9 | ||||
| -rw-r--r-- | working/velox-reinstall/velox-uefi-boot-entry-reference.org | 75 |
2 files changed, 83 insertions, 1 deletions
diff --git a/working/velox-reinstall/velox-reinstall-runbook.org b/working/velox-reinstall/velox-reinstall-runbook.org index 02671e2..0c14946 100644 --- a/working/velox-reinstall/velox-reinstall-runbook.org +++ b/working/velox-reinstall/velox-reinstall-runbook.org @@ -22,8 +22,15 @@ Fallback ordering if the test finds a real gap: the microcode vendor-detection fix (archsetup, 2026-08-08) and was built without ARCHSETUP_DIR at all. #+begin_src sh - cd ~/code/archangel && sudo ARCHSETUP_DIR=~/code/archsetup ./build.sh + cd ~/code/archangel && sudo ARCHSETUP_DIR="$HOME/code/archsetup" ./build.sh #+end_src + Two traps in that one line, and either alone silently produces a bare ISO + with archsetup absent (archangel, 2026-08-20). The =VAR=value= form is + required because sudo's =env_reset= discards an exported variable. And + =$HOME= is required because zsh does not expand a tilde on the right-hand + side of an assignment — the earlier =ARCHSETUP_DIR=~/code/archsetup= here + passed the literal string. build.sh now warns and reports baked/not-baked + in its closing summary, so the failure is visible rather than silent. - [ ] build.sh fixes before the final rebuild (archangel repo): - rsync exclude for =.ai= (keeps =archsetup/.ai/private-design/= — the credential audit — off the portable USB stick). diff --git a/working/velox-reinstall/velox-uefi-boot-entry-reference.org b/working/velox-reinstall/velox-uefi-boot-entry-reference.org new file mode 100644 index 0000000..8d677da --- /dev/null +++ b/working/velox-reinstall/velox-uefi-boot-entry-reference.org @@ -0,0 +1,75 @@ +#+TITLE: Velox UEFI Boot Entry — Recovery Reference +#+AUTHOR: Craig Jennings +#+DATE: 2026-08-15 + +Captured 2026-08-15 before a BIOS update (03.05 → 04.02) as insurance against +the update clearing NVRAM. Velox's mainboard swap on 2026-08-13 left exactly +this kind of empty NVRAM, which is what forced the reinstall — so a cleared +boot entry is the specific failure worth being able to undo in one command +rather than reconstruct. + +* State at capture + +- BIOS: 03.05 (2025-10-30) +- BootCurrent: 0001 +- BootOrder: 2001,0001,2002,2003 (USB ahead of ZBM — why the Ventoy stick + boots when it's inserted) +- Timeout: 0 seconds + +* The entry that matters + +=Boot0001* ZFSBootMenu= + +| field | value | +|----------------+----------------------------------------------| +| ESP part GUID | 8e51b680-f90a-444f-8da5-7e4f93625775 | +|----------------+----------------------------------------------| +| partition | 1 (GPT), start 0x800, size 0x100000 | +|----------------+----------------------------------------------| +| loader path | =\EFI\ZBM\zfsbootmenu.efi= | +|----------------+----------------------------------------------| +| cmdline (data) | =spl_hostid=0x22f8a7a1 zbm.timeout=3= | +| | =zbm.prefer=zroot zbm.import_policy=hostid= | +|----------------+----------------------------------------------| + +The =data= field is that command line in UTF-16LE, which is how efibootmgr +passes it as optional data. Recreate with =-u= and the plain string; efibootmgr +does the encoding. + +* Recreating it + +From a booted system (or the archangel ISO), with the ESP identified as +=/dev/nvme0n1p1= or whatever it enumerates as: + +#+begin_src bash +efibootmgr --create \ + --disk /dev/nvme0n1 --part 1 \ + --label "ZFSBootMenu" \ + --loader '\EFI\ZBM\zfsbootmenu.efi' \ + --unicode 'spl_hostid=0x22f8a7a1 zbm.timeout=3 zbm.prefer=zroot zbm.import_policy=hostid' +#+end_src + +Confirm the disk/part against =lsblk -o NAME,PARTUUID,PARTTYPENAME= first — +the partition GUID above is the authoritative identifier, not the device name, +which can enumerate differently. + +Then set the order so ZBM is reachable: + +#+begin_src bash +efibootmgr --bootorder 0001,2001,2002,2003 +#+end_src + +(The original order put USB first. Keep whichever you prefer; what matters is +that the ZBM entry exists and is in the list.) + +* Other entries (firmware-generated, recreate themselves) + +| Boot2001 | EFI USB Device | +|----------+----------------| +| Boot2002 | EFI DVD/CDROM | +|----------+----------------| +| Boot2003 | EFI Network | +|----------+----------------| + +These are stock firmware entries and come back on their own. Only Boot0001 +carries anything unique. |