Package Details: linux-vfio 6.14.4-1

Git Clone URL: https://aur.archlinux.org/linux-vfio.git (read-only, click to copy)
Package Base: linux-vfio
Description: The Linux kernel and modules (ACS override and i915 VGA arbiter patches)
Upstream URL: https://www.kernel.org
Keywords: acs arbiter assignment gpu i915 kvm override passthrough pci qemu vfio vga
Licenses: GPL-2.0-or-later
Provides: KSMBD-MODULE, VIRTUALBOX-GUEST-MODULES, WIREGUARD-MODULE
Submitter: zman0900
Maintainer: xiota
Last Packager: xiota
Votes: 73
Popularity: 0.000012
First Submitted: 2015-01-30 06:41 (UTC)
Last Updated: 2025-04-29 18:17 (UTC)

Required by (6)

Sources (7)

Pinned Comments

xiota commented on 2024-01-09 18:43 (UTC) (edited on 2024-01-11 16:53 (UTC) by xiota)

  • Leaving eclairvoyant's comment pinned because it contains some useful information.
  • Patch policy is different, but similar.
    • Primary purpose of this package are the ACS override and i915 VGA arbiter patches.
    • Upstream Arch patches will be applied to maintain parity with the standard kernel.
    • No other patches will be added.
  • Package does have options that can be changed, like building with clang or disabling Arch patches.
    • Defaults will match Arch packages, except when incompatible with this package's primary patches.
    • Options are subject to change. Read PKGBUILD for details.
  • Avoid commenting and flagging at the same time for the same issue.
    • Flag for common issues with standard solutions, like new releases, key changes, etc.
    • Comment for issues requiring explanation or debugging.
      • Use a pastebin for blocks of text more than a few lines.

eclairevoyant commented on 2023-04-06 21:24 (UTC) (edited on 2023-04-06 21:31 (UTC) by eclairevoyant)

This package exists for the specific purpose of adding ported patches based on those originally created by Alex Williamson for:

Arbitrary patches will not be added.

Refer to the wiki on PCI passthrough and this blog post on IOMMU groups for risks/caveats before using this package.

Regular AUR etiquette applies as well (knowledge of makepkg and searching the wiki/Arch forums is expected, and AUR helpers or Arch-based distros that are not Arch Linux are unsupported).

Latest Comments

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xiota commented on 2025-03-17 18:37 (UTC)

@daniel_shub I've added a default value for the empty variable. Will revise to remove git command with a later revision... need to find another way to list tags.

daniel_shub commented on 2025-03-17 15:48 (UTC)

@xiota I am still having issues.

==> Verifying source file signatures with gpg... linux-6.13.7.tar ... Passed linux-v6.13.7-arch1.patch.zst ... Passed /startdir/PKGBUILD: line 63: git: command not found /startdir/PKGBUILD: line 99: git: command not found ==> Making package: linux-vfio 6.13.7-1 (Mon Mar 17 15:20:56 2025) ==> Checking runtime dependencies... ==> Checking buildtime dependencies... ==> Installing missing dependencies...

...

installing git...

...

==> Retrieving sources... -> Found linux-6.13.7.tar.xz -> Found linux-6.13.7.tar.sign -> Found config-6.13.7 -> Found 1001-6.13.0-add-acs-overrides.patch -> Found 1002-6.13.0-i915-vga-arbiter.patch -> Downloading linux-.patch.zst... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 curl: (22) The requested URL returned error: 404 ==> ERROR: Failure while downloading https://github.com/archlinux/linux/releases/download//linux-.patch.zst Aborting...

The warning about git is not that surprising since it happens before the dependencies are installed. Maybe not having git at that point is an issue, but if I run the grep on line 96:

_dl_url_arch='https://gitlab.archlinux.org/archlinux/packaging/packages/linux' pkgver=6.13.7 git ls-remote "$_dl_url_arch.git" | grep -Eo "v${pkgver}-arch[0-9]+" | sort -rV | head -1

I do not get any output which leads to the likely incorrect linux-.patch.zst source file. This makes me think there is something wrong with "v${pkgver}-arch[0-9]+"

xiota commented on 2025-03-15 01:33 (UTC) (edited on 2025-03-15 01:35 (UTC) by xiota)

@daniel_shub I forgot to add git to makedeps. Fixed now. Did not bump pkgrel because no need for rebuild.

Changed $_srctag to look for newer arch patches, in case of interim updates. Also, should make snapshots more useful in the future, so that trying to build 6.13.7 next year will be more likely to work than trying to build 6.6.8 now.

daniel_shub commented on 2025-03-14 22:22 (UTC) (edited on 2025-03-14 22:28 (UTC) by daniel_shub)

Sorry for the edits, it is like I am going nuts. It does not build in a clean chroot. I think it has to do with the change to _srctag and the grep on line 96.

xiota commented on 2024-09-19 05:16 (UTC) (edited on 2024-10-16 03:33 (UTC) by xiota)

I don't know if anything can be done about IOMMU shared with other devices. Maybe someone else knows more?

Joeythe_fish commented on 2024-09-19 04:11 (UTC)

Yes it is, but the 1050 TI is still reading as attached to group 14, which contains a bunch of things, including both network devices.

xiota commented on 2024-09-19 04:06 (UTC)

Isn't this what you want, VGA devices on separate IOMMU groups?

IOMMU Group 14 06:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107 [GeForce GTX 1050 Ti] [10de:1c82] (rev a1)
IOMMU Group 15 07:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] [1002:67df] (rev ef)

Joeythe_fish commented on 2024-09-19 02:00 (UTC) (edited on 2024-09-19 02:01 (UTC) by Joeythe_fish)

Hello, again. Thanks for the update. I'm having an issue where I apply the patch, but it's not splitting up the iommu groups like I expected, or at least like happened when I last used the patch on my old PC. I'm trying to run my Nvidia 1050TI on a VM, but it is still a member of a larger group. https://pastebin.com/yfGY5jE8 I'm not sure what I'm doing wrong. This is what my GRUB file looks like currently. GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 amd_iommu=on ,multifunction video=efifb:off video=vesa:off vfio-pci.ids=10de:1c82,10de:0fb9 pcie_acs_override=downstream">

xiota commented on 2024-07-23 02:28 (UTC) (edited on 2024-07-23 02:30 (UTC) by xiota)

Kernel 6.9.10-arch1-1

What does cat /proc/version say? If you didn't switch kernels, the crash isn't caused by this package.

I don't know where to get info about the crash.

Try searching for how to use journalctl and dmesg.

It looks like the crashes were due to the use of the Yay aur package manager thing.

If the crash occurs during build or install, it could be a bug in yay or some other program. I've seen segfaults on AMD processors with other packages that build fine on Intel. No idea what causes it. Have not seen the same problem with this package.

Kernels are also heavy packages to build. If you have insufficient memory or storage, the system could behave erratically after running out of resources.

cypressRU commented on 2024-07-23 00:50 (UTC) (edited on 2024-07-23 00:53 (UTC) by cypressRU)

@Joeythe_fish

Sorry if my answer is incomplete GPU: AMD ATI Radeon RX 6600/6600 XT/6600M GPU: NVIDIA GeForce RTX 3070 (in a pcie slot but no monitors plugged into it) Arch Linux x86_64, Kernel 6.9.10-arch1-1 I use Awesome DE

When it 'crashes', my terminal (and all monitors) stops updating and it just restarts. No error messages. Nothing shows on screen. I don't notice the fans getting louder.

Thanks everyone for the responses!

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