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en doc /doc/skip-qubes-autostart/ Skip Qubes OS autostart

The following instructions are valid for Qubes OS R4.0 legacy mode only and Qubes OS R4.1 legacy and UEFI modes. For Qubes OS R4.0 in UEFI mode, we don't have GRUB so manual boot from another operating system is needed.

In several cases, it is needed to prevent autostart=True for qubes on boot. For example:

  • sys-usb was enabled but the only keyboard is on USB and qubes.InputKeyboard service is disabled,
  • Some PCI device assigned to autostart VM crashes the system (e.g. GPU or RAID controller cards).

For that, there exists qubes.skip_autostart option on kernel command line. In order to use it, at the grub boot menu,

grub1.png

press e on the first entry (or any of your usual/custom entry). Then, press down key multiple times to reach the line starting by module2.

grub2.png

Append to the end of this line (generally after rhgb quiet options) qubes.skip_autostart

grub3.png

and press Control-x to boot the edited GRUB entry. The boot proceeds as usual with LUKS password prompt and then boot only the Qubes services without starting any qube.