From db83e7fd5f2c806b172b8be71c434256206eac73 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= Date: Tue, 18 Apr 2017 21:27:26 +0200 Subject: [PATCH] Add more UEFI troubleshooting instructions --- troubleshooting/uefi-troubleshooting.md | 37 +++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/troubleshooting/uefi-troubleshooting.md b/troubleshooting/uefi-troubleshooting.md index 92282887..46b19886 100644 --- a/troubleshooting/uefi-troubleshooting.md +++ b/troubleshooting/uefi-troubleshooting.md @@ -89,3 +89,40 @@ every kernel and Xen update.) 1. Copy `/boot/efi/EFI/qubes/` to `/boot/efi/EFI/BOOT/`. 2. Rename `/boot/efi/EFI/BOOT/xen.efi` to `/boot/efi/EFI/BOOT/BOOTX64.efi`. 3. Rename `/boot/efi/EFI/BOOT/xen.cfg` to `/boot/efi/EFI/BOOT/BOOTX64.cfg`. + +Installation finished but "Qubes" boot option is missing and xen.cfg is empty +-------------------------------------------------------------------------------------- + +In some cases installer fails to finish EFI setup and leave the system without +Qubes-specific EFI configuration. In such a case you need to finish those parts +manually. You can do that just after installation (switch to `tty2` with +Ctrl-Alt-F2), or booting from installation media in "Rescue a Qubes system" mode. + +1. Examine `/boot/efi/EFI/qubes` (if using Qubes installation media, it's in `/mnt/sysimage/boot/efi/EFI/qubes`). You should see there 4 files: + + - xen.cfg (empty, size 0) + - xen-(xen-version).efi + - vmlinuz-(kernel-version) + - initramfs-(kernel-version).img + +2. Copy `xen-(xen-version).efi` to `xen.efi`: + + cd /mnt/sysimage/boot/efi/EFI/qubes + cp xen-*.efi xen.efi + +3. Create xen.cfg with this content (adjust kernel version, and filesystem + locations, below values are based on default installation of Qubes 3.2): + + + [global] + default=4.4.14-11.pvops.qubes.x86_64 + + [4.4.14-11.pvops.qubes.x86_64] + options=loglvl=all dom0_mem=min:1024M dom0_mem=max:4096M + kernel=vmlinuz-4.4.14-11.pvops.qubes.x86_64 root=/dev/mapper/qubes_dom0-root rd.lvm.lv=qubes_dom0/root rd.lvm.lv=qubes_dom0/swap i915.preliminary_hw_support=1 rhgb quiet + ramdisk=initramfs-4.4.14-11.pvops.qubes.x86_64.img + +4. Create boot entry in EFI firmware (replace `/dev/sda` with your disk name and `-p 1` with `/boot/efi` partition number): + + efibootmgr -v -c -u -L Qubes -l /EFI/qubes/xen.efi -d /dev/sda -p 1 "placeholder /mapbs /noexitboot" +