Re: bhyve: GPU passthrough for Nvidia cards
- In reply to: Stephan Althaus : "Re: bhyve: GPU passthrough for Nvidia cards"
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Date: Fri, 27 Jun 2025 06:31:36 UTC
On 6/27/25 08:00, Stephan Althaus wrote: > On 6/26/25 23:47, Nuno Teixeira wrote: >> Hello Stephan, >> >> A year a go I did try passtrhu a dedicated nvidia GTX 1650 while >> using integrated intel graphics (laptop Lenovo Legion 5 15IMH05). >> Windows detected card but nvidia drivers install failed at some point. >> On this laptop I did setup bios to use integrated graphics so I can >> passthru dedicated nvidia. >> >> Think I will give a new try since I follow main. >> >> Are you using laptops for this usecase? >> >> Thanks! >> >> Stephan Althaus <Stephan.Althaus@duedinghausen.eu> escreveu (quinta, >> 26/06/2025 à(s) 15:50): >> >> On 6/26/25 15:07, Corvin Köhne wrote: >> > Hi, >> > >> > I'm currently experimenting with GPU passthrough for Nvidia >> cards. All I have to >> > do to make it work with Ubuntu guests, is setting the INTPIN >> register to any >> > value instead of just 0x00. Unfortunately, I'm unfamiliar with >> PCI legacy >> > interrupts and how they work. The INTLINE register is set to >> 0xFF (unconnected). >> > So, is it safe to set the INTPIN register or what has to be >> done for it to work >> > as expected? >> > >> > Any help would be appreciated. >> > >> > >> Hi! >> >> You surely mean 'newer' NVidia cards, as my GT1030 works with >> FreeBSD >> 14.2 Host and ubuntu guest, NVIdia driver 570, (and Win guest btw) >> out-of-the-box, no kernel/driver modding... >> >> Regards, >> >> Stephan >> >> >> >> >> >> -- >> Nuno Teixeira >> FreeBSD UNIX: <eduardo@FreeBSD.org> Web: https://FreeBSD.org >> <https://FreeBSD.org> > > Hello! > > Oh, laptops... With this "Optimus"-called feature i am not shure if it > will work... > > But i think it's worth trying. > > Maybe you will need the GPU ROM. > (https://forums.FreeBSD.org/threads/current-state-of-bhyve-nvidia-passthrough.88244/post-706455) > > Good luck! > > Stephan > > Hi! Whilst trying to get it to work, i would suggest to always shut the host down, not only restart the guest/vm, to be on the safe side. There may be side effects regarding the initialization of the GPU.. When you have a working setup, this may change and you may can reboot the vm and have always a working GPU, maybe.. Regards, Stephan