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Standardize list formatting

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Andrew David Wong 2016-06-08 08:32:49 -07:00
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troubleshooting/uefi-troubleshooting.md
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@ -8,38 +8,37 @@ Troubleshooting UEFI related problems
======================================== ========================================
Cannot start installation, hangs at four penguins after choosing "Test media and install Qubes OS" in GRUB menu Cannot start installation, hangs at four penguins after choosing "Test media and install Qubes OS" in GRUB menu
--------------------- ---------------------
There is some [common bug in UEFI implementation](http://xen.markmail.org/message/f6lx2ab4o2fch35r), affecting mostly Lenovo systems, but probably some others too. You can try existing workaround: There is some [common bug in UEFI implementation](http://xen.markmail.org/message/f6lx2ab4o2fch35r), affecting mostly Lenovo systems, but probably some others too. You can try existing workaround:
1. In GRUB menu<sup id="a1-1">[1](#f1)</sup> press `e`. 01. In GRUB menu<sup id="a1-1">[1](#f1)</sup> press `e`.
2. At the end of `chainloader` line add `/mapbs /noexitboot`. 02. At the end of `chainloader` line add `/mapbs /noexitboot`.
3. Perform installation normally, but not reboot system at the end yet. 03. Perform installation normally, but not reboot system at the end yet.
4. Go to `tty2` (Ctrl-Alt-F2). 04. Go to `tty2` (Ctrl-Alt-F2).
5. Enable `/mapbs /noexitboot` on just installed system. This step differs between Qubes releases: 05. Enable `/mapbs /noexitboot` on just installed system. This step differs between Qubes releases:
* for Qubes 3.1: **For Qubes 3.1:**
5. Execute `mount | grep boot/efi` and note device name (first column). It should be something like `/dev/sda1`. 06. 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). 07. 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): 08. 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):
efibootmgr -b XXXX -B efibootmgr -b XXXX -B
efibootmgr -v -c -u -L Qubes -l /EFI/qubes/xen.efi -d /dev/sda -p 1 "placeholder /mapbs /noexitboot" 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. 09. 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. 10. Now you can reboot the system by issuing `reboot` command.
* for Qubes 3.2 or later: **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: 11. Edit `/mnt/sysimage/boot/efi/EFI/qubes/xen.cfg` (you can use `vi` editor) and add to every kernel section:
mapbs=1 mapbs=1
noexitboot=1 noexitboot=1
9. Now you can reboot the system by issuing `reboot` command. 12. Now you can reboot the system by issuing `reboot` command.
System crash/restart when booting installer System crash/restart when booting installer