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Merge branch 'hardware-troubleshooting' of https://github.com/PROTechThor/qubes-doc into PROTechThor-hardware-troubleshooting
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Andrew David Wong
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doc.md
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doc.md
@ -111,7 +111,6 @@ Core documentation for Qubes users.
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* [Making Any File Persistent Using `bind-dirs`](/doc/bind-dirs/)
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* [GUI Configuration](/doc/gui-configuration/)
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* [Resizing Disk Images](/doc/resize-disk-image/)
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* [Troubleshooting Newer Hardware](/doc/newer-hardware-troubleshooting/)
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* [Mounting and Decrypting Qubes Partitions from Outside Qubes](/doc/mount-from-other-os/)
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* [KDE](/doc/kde/)
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* [i3 Window Manager](/doc/i3/)
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@ -131,6 +130,7 @@ Core documentation for Qubes users.
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* [GUI Troubleshooting](/doc/gui-troubleshooting/)
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* [Media Troubleshooting](/doc/media-troubleshooting/)
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* [Firewall Troubleshooting](/doc/firewall/#firewall-troubleshooting)
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* [Hardware Troubleshooting](/doc/hardware-troubleshooting/)
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* [VPN Troubleshooting](/doc/vpn-troubleshooting/)
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* [Update Troubleshooting](/doc/update-troubleshooting/)
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@ -448,23 +448,7 @@ See [Update Troubleshooting](/doc/update-troubleshooting/#lost-internet-access-a
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### My keyboard layout settings are not behaving correctly. What should I do?
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The best approach is to choose the right keyboard layout during the installation process.
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But if you want to change things afterwards, you can try this workaround.
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Assuming XFCE desktop: in `Q` → `System Tools` → `Keyboard` → `Layout`, leave the checkbox "`Use system defaults`" checked. Do not customize the keyboard layout here.
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Set the system-wide layout and options for `xorg` with the `localectl` command in `dom0`. You can use `localectl --help` as a starting point.
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Example: `localectl set-x11-keymap us dell ,qwerty compose:caps`.
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This generates the appropriate configuration in `/etc/X11/xorg.conf.d/00-keyboard.conf`.
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This file is auto-generated.
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Do not edit it by hand, unless you know what you are doing.
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Restarting `xorg` is required.
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The most straightforward way is to reboot the system.
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More information in [this discussion][layout_discussion] and [this issue][layout_issue].
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See [Hardware Troubleshooting](/doc/hardware-troubleshooting/#keyboard-layout-settings-not-behaving-correctly).
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### My dom0 and/or TemplateVM update stalls when attempting to update via the GUI tool. What should I do?
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@ -755,8 +739,6 @@ There is also the unofficial [ansible-qubes toolkit][ansible].
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[intro1]: https://en.wikibooks.org/wiki/Fedora_And_Red_Hat_System_Administration/Shell_Basics
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[intro2]: https://en.wikibooks.org/wiki/A_Quick_Introduction_to_Unix
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[intro3]: https://en.wikibooks.org/wiki/Bash_Shell_Scripting
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[layout_discussion]: https://groups.google.com/d/topic/qubes-devel/d8ZQ_62asKI/discussion
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[layout_issue]: https://github.com/QubesOS/qubes-issues/issues/1396
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[LUKS]: https://en.wikipedia.org/wiki/Linux_Unified_Key_Setup
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[Markdown]: /doc/doc-guidelines/#markdown-conventions
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[network]: /doc/networking/
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@ -1,29 +0,0 @@
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---
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layout: doc
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title: Troubleshooting newer hardware
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permalink: /doc/newer-hardware-troubleshooting/
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---
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Troubleshooting newer hardware
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==============================
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By default, the kernel that is installed in dom0 comes from the `kernel` package, which is an older Linux LTS kernel.
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For most cases this works fine since the Linux kernel developers backport fixes to this kernel, but for some newer hardware, you may run into issues.
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For example, the audio might not work if the sound card is too new for the LTS kernel.
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To fix this, you can try the `kernel-latest` package -- though be aware that it's less tested!
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(See [here][dom0-kernel-upgrade] for more information about upgrading kernels in dom0.)
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In dom0:
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~~~
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sudo qubes-dom0-update kernel-latest
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~~~
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Reboot when it's done installing.
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You can double-check that the boot used the newer kernel with `uname -r`, which prints the version of the currently-running kernel.
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Compare this with the output of `rpm -q kernel`.
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If the start of `uname -r` matches one of the versions printed by `rpm`, then you're still using the Linux LTS kernel, and you'll probably need to manually fix your boot settings.
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If `uname -r` reports a higher version number, then you've successfully booted with the kernel shipped by `kernel-latest`.
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[dom0-kernel-upgrade]: /doc/software-update-dom0/#kernel-upgrade
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59
user/troubleshooting/hardware-troubleshooting.md
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59
user/troubleshooting/hardware-troubleshooting.md
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@ -0,0 +1,59 @@
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---
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layout: doc
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title: Hardware Troubleshooting
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permalink: /doc/hardware-troubleshooting/
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redirect_from:
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- /doc/newer-hardware-troubleshooting/
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---
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# Troubleshooting hardware-related issues
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## Audio doesn't work / Troubleshooting newer hardware
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By default, the kernel that is installed in dom0 comes from the `kernel` package, which is an older Linux LTS kernel.
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For most cases this works fine since the Linux kernel developers backport fixes to this kernel, but for some newer hardware, you may run into issues.
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For example, the audio might not work if the sound card is too new for the LTS kernel.
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To fix this, you can try the `kernel-latest` package -- though be aware that it's less tested!
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(See [here][dom0-kernel-upgrade] for more information about upgrading kernels in dom0).
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In dom0:
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~~~
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sudo qubes-dom0-update kernel-latest
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~~~
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Reboot when it's done installing.
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You can double-check that the boot used the newer kernel with `uname -r`, which prints the version of the currently-running kernel.
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Compare this with the output of `rpm -q kernel`.
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If the start of `uname -r` matches one of the versions printed by `rpm`, then you're still using the Linux LTS kernel, and you'll probably need to manually fix your boot settings.
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If `uname -r` reports a higher version number, then you've successfully booted with the kernel shipped by `kernel-latest`.
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## "Unsupported Hardware Detected" error
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See [Installation Troubleshooting](/doc/installation-troubleshooting/#unsupported-hardware-detected-error).
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## Keyboard layout settings not behaving correctly
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The best approach is to choose the right keyboard layout during the installation process.
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But if you want to change things afterwards, you can try this workaround.
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Assuming XFCE desktop: in `Q` → `System Tools` → `Keyboard` → `Layout`, leave the checkbox "`Use system defaults`" checked. Do not customize the keyboard layout here.
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Set the system-wide layout and options for `xorg` with the `localectl` command in `dom0`. You can use `localectl --help` as a starting point.
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Example: `localectl set-x11-keymap us dell ,qwerty compose:caps`.
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This generates the appropriate configuration in `/etc/X11/xorg.conf.d/00-keyboard.conf`.
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This file is auto-generated.
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Do not edit it by hand, unless you know what you are doing.
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Restarting `xorg` is required.
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The most straightforward way is to reboot the system.
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More information in [this discussion][layout_discussion] and [this GitHub issue][layout_issue].
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[dom0-kernel-upgrade]: /doc/software-update-dom0/#kernel-upgrade
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[hardware-reqs]: /doc/installation-guide/#hardware-requirements
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[layout_discussion]: https://groups.google.com/d/topic/qubes-devel/d8ZQ_62asKI/discussion
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[layout_issue]: https://github.com/QubesOS/qubes-issues/issues/1396
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@ -77,6 +77,19 @@ If installing the available drivers does not help, disable the network card in t
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If this solves the issue, it confirms the PCI card is incompatible with Qubes.
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In this case, you may want to consider replacing it with a network card of a different brand.
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Broadcom cards are notoriously problematic with Qubes.
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## "Unsupported Hardware Detected" error ##
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During Qubes installation, you may come across the error message which reads "Unsupported Hardware Detected.
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Missing features: IOMMU/VT-d/AMD-Vi, Interrupt Remapping. Without these features, Qubes OS will not function normally".
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This error message indicates that IOMMU-virtualization hasn’t been activated in the BIOS.
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Return to the [hardware requirements][hardware-reqs] section to learn how to activate it.
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If the setting is not configured correctly, it means that your hardware won’t be able to leverage some Qubes security features, such as a strict isolation of the networking and USB hardware.
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In Qubes 4.0, the default installation won't function properly without IOMMU, as default sys-net and sys-usb qubes require IOMMU. It is possible to configure them to reduce isolation and not use IOMMU by changing virtualization mode of these two VMs to "PV".
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In Qubes 4.1, IOMMU is strictly required, even when the virtualization mode of a VM is changed to "PV"; it is not possible to use Qubes on a system without IOMMU.
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[hardware-reqs]: /doc/installation-guide/#hardware-requirements
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