scorcho99

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About scorcho99

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  1. I don't know anything about this thread but was pinged because of my gvt-g thread. Its also been awhile since I did that. "All" I had to do to get unraid to use gvt-g was rebuild the kernel used with the gvt-g flags turned on as they were disabled in the default build. The qemu version was fine as is IIRC, although it was compiled without openGL support (not surprising) and openGL is required to allow the gvt-g slices to render to a dma buffer which many people make use of with gvt-g. It still had use even without that feature.
  2. This is a resolved post but I appreciate the data and resolution information. My hardware behaved similarly: On my MSI x470 I noticed that when I used the 3rd slot for VGA passthrough that some of my SATA disks in the array dropped out which sounds like the issue you were having as well. My theory was that the iommu was having some sort of resource conflict or misdirection with devices running off the chipset. Given I had to use the ACS override to force this configuration to work sort of leans on that too, I've always thought people were a bit eager to solve the proble
  3. I like this idea. I don't even really see why btrfs needs to be involved though. You just need the concept of a second simulated failed disk that has the file that failed hash check. That dynamix file integrity plugin could probably be linked up to that. Make sure you keep "write corrections to parity disk" off I suppose you could do it now by temporarily unplugging the disk but that is hardly seamless.
  4. There's a third party (asmedia) PCIe to PCI bridge listed in your first post. So the device is actually a legacy PCI device with a converter chip basically. Not a lot of people try to run legacy PCI stuff but it does work sometimes at least. Maybe try binding the device to vfio at boot if it isn't already.
  5. No. You'd have to handle it in the guest some how in that case, or perhaps some drive image software could be used when the VM was offline. Its the main reason I don't use direct device drive passthrough personally.
  6. @SpaceInvaderOne This is an old necro thread so this might be old news. I run a virtual sound device on my unraid server (ac97) and use it fine through virt-manager with spice to view. I found your post kind of amusing since I used your guide to setup the virt-manager link. Maybe unraid devs added something since your post though that made this possible. If that didn't work I was probably going to use scream audio or some other network sound device but it would be a long clunkier of a workflow.
  7. Try installing the adapter+card in different PCI-e slots. I've noticed the IRQ sharing actually comes into play with legacy PCI devices and passthrough. Its also possible this device is simply not going to get along with PCI passthrough, not all of them do. I think there is also an option in VM settings for "allow unsafe interrupts". I've never used it and am not sure what it does but it might be worth a shot.
  8. Wish they made some of those new cases in white. I'm not interested in building in anymore black hole cases, can't see anything.
  9. @meep I came to the same conclusion on this as you did. The price and availability of working 4 port cards is kind of wonky so rolling your own has some advantages. I use a 4 port mining riser which I bought for ~$15, they're pretty easy to find all over. I seem to have better luck with ones using the asmedia chipset which is what most of them use. Advantages are easier to find and flexibility. You can mix and match devices (including SATA controllers and different types of USB controllers, even video cards). Also you can install 4 port cards instead of need
  10. So you backup my VMs on my cache drive I have a userscript that runs. It shuts down all running VMs, creates a read only btrfs snapshot of the VM directory and then boots them all back up for minimal downtime. Then the backup runs off the snapshot. This has worked fine for a few years. A second share appears in the share list (VMs_backup in my case) whenever the snapshot is active, I can't remember if I actively set this up or it happened automatically. Anyway, I suddenly cannot access this share from anywhere. The base share (VMs) still works fine, it is only the snapshot share th
  11. The secondary slot is going to be a chipset driven pcie 4x 2.0 on that board. 50% performance loss still seems a bit extreme in that configuration but there would be a hit. Regarding your option 1: Try to find an option to disable your CSM in the bios. On Ryzen at least, that seems to swap the primary boot GPU to chipset ports.
  12. Anyone get this working with a more recent version of virt-manager? With mint 20 there is not method drop down (~7:35 in video) to pick TCP. Nevermind, I solved this. Custom "URIs" are created for this behind the scenes. I created a connection on my old rig and copied the text. Example: qemu+tcp://root@192.168.1.99/system
  13. Anyone ever solve this? I'm having the same issue with linux mint 20. Nevermind, I solved this. Custom "URIs" are created for this behind the scenes. I created a connection on my old rig and copied the text. Example: qemu+tcp://root@192.168.1.99/system
  14. Good tip on the uefi shell. I think I actually had to do that when I installed the modded bios to disable write protection or something, I didn't get that far but I did wonder at the time if I could have just used the shell to change the option. I don't know much about bios modding (more than I did now) A guy on win-raid forums created the bios mod for me and I sent him a amazon card as thanks. Anyway, I ultimately decided against using GVT-g, but it was a fun experiment...required me to figure out a lot of pieces I didn't know anything about. It was a death of a thousand cuts for
  15. Is there a reason you have all the acs override options on? I'm mostly asking because I don't know if its required for this chipset or not since its so new!