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I have a vanilla windows 7 from modern.ie (apparently 'version 20150916') and once I install the QXL driver from virtio-win-0.1.141.iso
(43aefa812c37342cfefc48ec0dd7f1e56a930fcd) the machine doesn't boot anymore. The situation doesn't change if I install all the available Windows updates.
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STOP 0x0000007F (0x0000000D, 0x0, 0x0, 0x0)
According to https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-0x7f--unexpected-kernel-mode-trap it indicates a 'Bug Check 0x7F: UNEXPECTED_KERNEL_MODE_TRAP' with '0x0000000D -- An exception not covered by some other exception; a protection fault that pertains to access violations for applications'.
Once I change the video mode from QXL to, say, virtio, I can boot.
I thus suspect the QXL driver to be the cuprit.
Interestingly, using the 'Windows guest tools - spice-guest-tools' from https://www.spice-space.org/download.html seems to work better. But it's unfortunate to download the stuff from there, because it requires a network connection. And Windows does not have virtio network drivers by default.
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Comments
commented Apr 13, 2017
#60 notes that 'Gal is working on it'. |
commented Apr 18, 2017
@ildar unfortunate 'working on it' is a bit exaggerated. I made a working prototype using dokan few years ago. However I failed to take it to the next step and implement it as a file system driver. I'll get back to it but it will take time. |
commented Apr 18, 2017 • edited
edited
commented Feb 17, 2018
Any progress on this project? I'm using ftp sharing to guest and have not so good performance against virtualbox. I'm curious how can the 9p increase the performance. Can someone here post some info about it? Thanks. |
commented Feb 20, 2018
No updates yet. It is still in the queue. |
commented Mar 23, 2018 • edited
edited
Is it possible to get the code for your proof of concept? I would like to try and help if possible.. |
commented Jun 20, 2018
I'm looking forward to using Virtfs on Windows guest OS！ |
commented Nov 13, 2018
@Warrentheo maybe you want to look into [this piece of code, I foiund](https://github.com/mifritscher/qemu/tree/556be221a307381ab6406c24f3ad76cd1dac1878/hw/9pfs in a qemu fork) by @mifritscher. @hammerg what do you think about it? |
commented Nov 13, 2018
Attention: I tried to make 9p running on a Windows host, NOT on a Windows guest! The biggest obstacle is that the variants of open(root-directory,directory in this root-directory) is needed for security. The 'normal' Win32 API can't do this, but the ntdll API can luckily archive this. Is a bit of pain because of conversions and the functions need to be called by getProcAddress, but it is doable. I'll search for my test code this evening. It can open a directory, but has e.g. stack corruption problems. |
commented Nov 13, 2018
In my understanding a proper 9p fs solution for Windows should come in two pieces - some sort of bus driver (virtio device) and a network file system driver (so-called 'monolithic redirector' driver, which with some modifications might be used for network fs over vsock as well). I might be able to start working on some sort of POC a bit later, if Gal doesn't mind of course. |
commented Nov 13, 2018
Hey great response times, folks! |
commented Nov 13, 2018
ReactOS (Windows XP clone) could be interested in that as well. They added support for NFS and VirtualBox shared folders, both using the redirector infrastructure. Because ReactOS is open source this could ease the development - and at least the redirection code part of the NFS driver could be reused. |
commented Dec 9, 2018
I'm interested in this implementation. |
commented Apr 18, 2019
Any update yet? |
commented Apr 18, 2019
Unfortunately, the project is on hold. |
commented Apr 18, 2019
Ok, thank you for your work. Do you know when the project could be started on again? |
commented Apr 18, 2019
No.. I guess the current option is an external contribution. We can try and guide implementation. |
commented Apr 18, 2019
Ok, hopefully someone can pick this up in the future, thanks anyways. |
commented Apr 21, 2019 • edited
edited
To my understanding, Windows 10 can act as a 9P client to access files of its Windows Subsystem for Linux (WSL). So there will probably already be a 9P implementation in the Windows Kernel. More information: https://devblogs.microsoft.com/commandline/whats-new-for-wsl-in-windows-10-version-1903/ |
commented May 7, 2019
Virtio Network Driver
Just an update to this, with WSL2 (Announced yesterday, May 6th), the Linux kernel compatibility layer has been replaced by the real Linux kernel! Read up more about it here: https://devblogs.microsoft.com/commandline/announcing-wsl-2/ |