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moved xen drivers and QWT info to windows-tools.md

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deeplow 2020-09-26 15:54:46 -04:00
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30
os-guides/windows/windows-tools.md
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@ -148,6 +148,36 @@ NOTE: it is recommended to increase the default value of Windows VM's `qrexec_ti
qvm-prefs -s <vm-name> qrexec_timeout 300
~~~
Xen PV drivers and Qubes Windows Tools
--------------------------------------
Installing Xen's PV drivers in the VM will lower its resources usage when using network and/or I/O intensive applications, but *may* come at the price of system stability (although Xen's PV drivers on a Win7 VM are usually very stable). There are two ways of installing the drivers:
1. installing the drivers independently, from Xen's [official site](https://www.xenproject.org/developers/teams/windows-pv-drivers.html)
2. installing Qubes Windows Tools (QWT), which bundles Xen's PV drivers.
Notes about using Xen's VBD (storage) PV driver:
- **Windows 7:** installing the driver requires a fully updated VM or else you'll likely get a BSOD and a VM in a difficult to fix state. Updating Windows takes *hours* and for casual usage there isn't much of a performance between the disk PV driver and the default one; so there is likely no need to go through the lengthy Windows Update process if your VM doesn't have access to untrusted networks and if you don't use I/O intensive apps. If you plan to update your newly installed Windows VM it is recommended that you do so *before* installing Qubes Windows Tools (QWT). If QWT are installed, you should temporarily re-enable the standard VGA adapter in Windows and disable Qubes' (see the section above).
- the option to install the storage PV driver is disabled by default in Qubes Windows Tools
- in case you already had QWT installed without the storage PV driver and you then updated the VM, you may then install the driver from Xen's site (xenvbd.tar).
**Caution:** Installing the version 9.0.0 Xen drivers on Windows 7 (a system without QWT - QWT uninstalled) leads to an unbootable system. The drivers install without error, but after reboot, the system aborts the reboot saying ´Missing driver xenbus.sys´.
- **Windows 10:** The version 9.0.0 Xen drivers have to be installed before installing Qubes Windows Tools. Installing them on a system with QWT installed is likely to produce a system which crashes or has the tools in a non-functional state. Even if the tools were installed and then removed before installing the Xen drivers, they probably will not work as expected.
Installing Qubes Windows Tools:
- on R3.2: see [this page](/doc/windows-tools/)
- R4.0: you'll have to install QWT for Qubes R3.2. Be warned that QWT on R4.0 is a work in progress though (see [issue #3585](https://github.com/QubesOS/qubes-issues/issues/3585) for instructions and known issues).
With Qubes Windows Tools installed the early graphical console provided in debugging mode isn't needed anymore since Qubes' display driver will be used instead of the default VGA driver:
~~~
qvm-prefs -s win7new debug false
~~~
Using Windows AppVMs in seamless mode
-------------------------------------

30
os-guides/windows/windows-vm.md
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@ -252,36 +252,6 @@ Note: if you already have Qubes Windows Tools installed the video adapter in Win
To avoid guessing the VM's state enable debugging (`qvm-prefs -s win7new debug true`) and in Windows' device manager (My computer -> Manage / Device manager / Display adapters) temporarily re-enable the standard VGA adapter and disable "Qubes video driver". You can disable debugging and revert to Qubes' display once the VM is updated.
Xen PV drivers and Qubes Windows Tools
------------------------------------
Installing Xen's PV drivers in the VM will lower its resources usage when using network and/or I/O intensive applications, but *may* come at the price of system stability (although Xen's PV drivers on a Win7 VM are usually very stable). There are two ways of installing the drivers:
1. installing the drivers independently, from Xen's [official site](https://www.xenproject.org/developers/teams/windows-pv-drivers.html)
2. installing Qubes Windows Tools (QWT), which bundles Xen's PV drivers.
Notes about using Xen's VBD (storage) PV driver:
- **Windows 7:** installing the driver requires a fully updated VM or else you'll likely get a BSOD and a VM in a difficult to fix state. Updating Windows takes *hours* and for casual usage there isn't much of a performance between the disk PV driver and the default one; so there is likely no need to go through the lengthy Windows Update process if your VM doesn't have access to untrusted networks and if you don't use I/O intensive apps. If you plan to update your newly installed Windows VM it is recommended that you do so *before* installing Qubes Windows Tools (QWT). If QWT are installed, you should temporarily re-enable the standard VGA adapter in Windows and disable Qubes' (see the section above).
- the option to install the storage PV driver is disabled by default in Qubes Windows Tools
- in case you already had QWT installed without the storage PV driver and you then updated the VM, you may then install the driver from Xen's site (xenvbd.tar).
**Caution:** Installing the version 9.0.0 Xen drivers on Windows 7 (a system without QWT - QWT uninstalled) leads to an unbootable system. The drivers install without error, but after reboot, the system aborts the reboot saying ´Missing driver xenbus.sys´.
- **Windows 10:** The version 9.0.0 Xen drivers have to be installed before installing Qubes Windows Tools. Installing them on a system with QWT installed is likely to produce a system which crashes or has the tools in a non-functional state. Even if the tools were installed and then removed before installing the Xen drivers, they probably will not work as expected.
Installing Qubes Windows Tools:
- on R3.2: see [this page](/doc/windows-tools/)
- R4.0: you'll have to install QWT for Qubes R3.2. Be warned that QWT on R4.0 is a work in progress though (see [issue #3585](https://github.com/QubesOS/qubes-issues/issues/3585) for instructions and known issues).
With Qubes Windows Tools installed the early graphical console provided in debugging mode isn't needed anymore since Qubes' display driver will be used instead of the default VGA driver:
~~~
qvm-prefs -s win7new debug false
~~~
Further customization
---------------------