diff --git a/troubleshooting/uefi-troubleshooting.md b/troubleshooting/uefi-troubleshooting.md index 7eebc7c9..f2882422 100644 --- a/troubleshooting/uefi-troubleshooting.md +++ b/troubleshooting/uefi-troubleshooting.md @@ -18,15 +18,28 @@ There is some [common bug in UEFI implementation](http://xen.markmail.org/messag 2. At the end of `chainloader` line add `/mapbs /noexitboot`. 3. Perform installation normally, but not reboot system at the end yet. 4. Go to `tty2` (Ctrl-Alt-F2). -5. Execute `mount | grep boot/efi` and note device name (first column). It should be something like `/dev/sda1`. -6. Execute `efibootmgr -v`, search for `Qubes` entry and note its number (it should be something like `Boot0001` - `0001` is an entry number). -7. Replace existing `Qubes` entry with modified one. Replace `XXXX` with entry number from previous step, `/dev/sda` with your disk name and `-p 1` with `/boot/efi` partition number): +5. Enable `/mapbs /noexitboot` on just installed system. This step differs between Qubes releases: + + * for Qubes 3.1: - efibootmgr -b XXXX -B - efibootmgr -v -c -u -L Qubes -l /EFI/qubes/xen.efi -d /dev/sda -p 1 "placeholder /mapbs /noexitboot" + 5. Execute `mount | grep boot/efi` and note device name (first column). It should be something like `/dev/sda1`. + 6. Execute `efibootmgr -v`, search for `Qubes` entry and note its number (it should be something like `Boot0001` - `0001` is an entry number). + 7. Replace existing `Qubes` entry with modified one. Replace `XXXX` with entry number from previous step, `/dev/sda` with your disk name and `-p 1` with `/boot/efi` partition number): -8. Compare new entry with the old one (printed in step 6) - it should only differ in additional options at the end. -9. Now you can reboot the system by issuing `reboot` command. + efibootmgr -b XXXX -B + efibootmgr -v -c -u -L Qubes -l /EFI/qubes/xen.efi -d /dev/sda -p 1 "placeholder /mapbs /noexitboot" + + 8. Compare new entry with the old one (printed in step 6) - it should only differ in additional options at the end. + 9. Now you can reboot the system by issuing `reboot` command. + + * for Qubes 3.2 or later: + + 5. Edit `/mnt/sysimage/boot/efi/EFI/qubes/xen.cfg` (you can use `vi` editor) and add to every kernel section: + + mapbs=1 + noexitboot=1 + + 9. Now you can reboot the system by issuing `reboot` command. System crash/restart when booting installer