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QEMU 8.2 Released With New VirtIO-Sound & VirtIO-GPU "Rutabaga" Devices (www.phoronix.com)
submitted 1 year ago by KarnaSubarna@lemmy.ml to c/linux@lemmy.ml
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[-] autotldr 22 points 1 year ago

This is the best summary I could come up with:

  • QEMU 8.2 adds a new "virtio-sound" device that implements capture and playback from inside a guest using the configured audio backend of the host machine.

  • A new VirtIO-GPU "Rutabaga" device that allows various abstractions of GPU and display virtualization.

This VirtIO-GPU Rutabaga comes from the Android/CrosVM graphics stack and is intended for use with the Android Emulator on QEMU.

QEMU documentation describes this as "virtio-balloon on steroids for Windows guests."

  • QEMU's 68k Macintosh Quadra 800 emulation can now boot MacOS 7.1, A/UX 3.0.1, Linux, and NetBSD 9.3.

Plus support for 4K page sizes and other ongoing LoongArch enablement work.

The original article contains 305 words, the summary contains 102 words. Saved 67%. I'm a bot and I'm open source!

[-] Engywuck@lemm.ee 5 points 1 year ago

good bot

[-] Flaky@iusearchlinux.fyi 13 points 1 year ago* (last edited 1 year ago)

Hopefully some of this comes to Windows guests. One of the major issues right now is that Windows virtualisation isn't great. VirtualBox has GPU problems, VMware requires a lot of messing about with kernel modules if you don't use Ubuntu, if KVM/QEMU is able to make a smooth environment for Windows guests that'd help bring people in who still need Windows for the odd bit of software or two.

I remember there was a GPU driver for Windows but that seems to have stalled?

Edit: Cleared up why I think VMware is a bit of a mess.

[-] drwankingstein@lemmy.dbzer0.com 6 points 1 year ago* (last edited 1 year ago)

virtio-sound likely will eventually and ufs probably will too. the gpu driver is being worked on by a third party, but it's still using virgl so I doubt it will be very preformant

[-] netburnr@lemmy.world 3 points 1 year ago

Vmware requires a lot of messing around.

What are you going on about? VMware and Windows work just fine if you install vmware tools.

[-] Flaky@iusearchlinux.fyi 6 points 1 year ago* (last edited 1 year ago)

I'm talking about the installation process for VMware itself.

I had to help someone non-techy install VMware on Pop!_OS (the OS preinstalled by System76 on their hardware), and it required messing with the kernel modules which fails on Pop!_OS. It seems like VMware builds for a very specific version of Ubuntu which of course, means the kernel module building process fails when you use a kernel version that's different to what Ubuntu has (which Pop!_OS does and maybe some other Ubuntu-based distros). Thankfully someone on GitHub maintains up-to-date patches for the VMware modules so I was able to guide him through there but this isn't something someone new to Linux would want to do.

It's not like simply installing it from a package manager, well unless you use Arch but I'm not putting this person who's new to Linux on Arch when he just started using CLI.

[-] UnityDevice@startrek.website 1 points 1 year ago* (last edited 1 year ago)

If you need this frequently, I really suggest you look into GPU forwarding. I have a Windows VM setup with a second card and it works perfectly, I use it for games and CAD all the time. Figure out your iommu groups, pop a second card in your computer (and optionally a second nvme drive if you want max performance), and use virt-manager and the arch wiki to set it up.

For accessing the machine you can use a second monitor input, or you can get a window to the machine with looking glass or moonlight. I use moonlight as it lets me play games from my laptop on the couch, and looking glass was causing windows to crash sometimes.

It's a bit of work to set it all up but when you're done it should just be one XML file and maybe one modprobe.d config file.

I think I've been using this for over a year now and the single pain point I encountered in all that time was maybe that usb input hotplug isn't supported, though there's ways to fix that, but I haven't bothered.

this post was submitted on 21 Dec 2023
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