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80 lines
2.3 KiB
Markdown
80 lines
2.3 KiB
Markdown
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# sys-gui
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GPU GUI domain in Qubes OS.
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## Table of Contents
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* [Description](#description)
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* [Installation](#installation)
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* [Uninstallation](#uninstallation)
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* [Usage](#usage)
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## Description
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Setup a GPU GUI domain named "sys-gui-gpu". The GPU is attached to the qube
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and all graphics computation are handled by this qube. Requires a dedicated
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graphics card (external GPU) and PCI passthrough support.
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## Installation
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WARNING: [unfinished formula](../../docs/TROUBLESHOOT.md#no-support-for-unfinished-formulas).
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* Top:
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```sh
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sudo qubesctl top.enable qvm.sys-gui pillar=True
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sudo qubesctl top.enable sys-gui-gpu
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sudo qubesctl --targets=tpl-sys-gui,sys-gui-gpu state.apply
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sudo qubesctl top.disable sys-gui-gpu
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sudo qubesctl state.apply sys-gui-gpu.prefs
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```
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* State:
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<!-- pkg:begin:post-install -->
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```sh
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sudo qubesctl top.enable qvm.sys-gui pillar=True
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sudo qubesctl state.apply sys-gui-gpu.create
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sudo qubesctl --skip-dom0 --targets=tpl-sys-gui state.apply sys-gui-gpu.install
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sudo qubesctl --skip-dom0 --targets=sys-gui-gpu state.apply sys-gui-gpu.configure
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sudo qubesctl state.apply sys-gui-gpu.prefs
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```
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<!-- pkg:end:post-install -->
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The formula assumes Intel graphics card, if you have a card from another
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vendor, please use
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[qvm-pci](https://www.qubes-os.org/doc/how-to-use-pci-devices/#qvm-pci-usage)
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to persistently attach the GPU with the permissive option to `sys-gui-gpu`.
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Shutdown all your running qubes as the global property `default_guivm` has
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changed to `sys-gui-gpu`.
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## Uninstallation
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Reboot you computer and prevent Qubes OS autostart of any qube, be it
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`sys-gui-gpu` or the qubes connected to it to reach dom0. For that, you need to
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boot Qubes OS with
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[qubes.skip_autostart GRUB parameter](https://www.qubes-os.org/doc/autostart-troubleshooting/).
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Only after you have done these steps manually, you can continue the
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uninstallation procedure.
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Set Global preference `default_guivm` to `dom0` and disable `autostart` of
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`sys-gui-gpu`:
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```sh
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sudo qubesctl state.apply sys-gui-gpu.cancel
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```
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## Usage
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Qubes that have their `guivm` preference set to `sys-gui-gpu`, will use it as
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the GUI domain.
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The process to enter `sys-gui-gpu` can be a simple logout, but on most
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platforms, a reboot is required and recommended to prevent data loss.
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The login credentials are the same used in `dom0`, the first user in the
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`qubes` group and the corresponding password.
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