Gentoo Archives: gentoo-user

From: haomingbai@×××××××.com
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Why vifo shutdown in 5.19.6 xanmod?
Date: Mon, 05 Sep 2022 14:12:02
Message-Id: SE1P216MB1557668C662AC3EFF46B17EFCE7F9@SE1P216MB1557.KORP216.PROD.OUTLOOK.COM
In Reply to: [gentoo-user] Why vifo shutdown in 5.19.6 xanmod? by haomingbai@hotmail.com
1 在 2022年9月5日星期一 CST 下午5:12:27,haomingbai@×××××××.com 写道:
2 > I upgraded to 5.19.6 today ,using the source code pack of xanmod-sources
3 > provided by gentoo-zh.
4 > I use kvmgt function till 5.18.19,however,when I use "make olddefconfig" and
5 > compile/install the kernel today ,kvmgt dont work.
6 > But when I switched back to 5.18.9,it works again!And I use "lsmod|grep
7 > kvmgt" and "lsmod |grep mdev",finding that kvmgt,mdev are correctly loaded
8 > but vifo is not loaded and cannot be loaded by modprobe vifo,modprobe
9 > vfio-iommu-type1. This is my commandline:
10 > root=PARTUUID=51206061-2e7d-c64b-baa4-e8fbbb937930 rootflags=subvol=rootfs
11 > quiet splash nvidia-drm.modeset=1 loglevel=3 intel_iommu=on
12 > i915.enable_guc=0 resume=PARTUUID=51206061-2e7d-c64b-baa4-e8fbbb937930
13 > resume_offset=22254052 i915.enable_gvt=1
14
15 I've got it wrong.
16 When I use lsmod|grep vfio,I saw vfio loaded but not used by mdev.
17 So I think it might be some changes happened to the kernel config that this
18 link between mdev and vfio had been broken.