我有一个问题5.19.0-23-generic #24-Ubuntu SMP，——没有/sys/devices/pci0000:00/0000:00:02.0/mdev_supported_types目录。
uname -a
Linux hp1 5.19.0-23-generic #24-Ubuntu SMP PREEMPT_DYNAMIC Fri Oct 14 15:39:57 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
ls '/sys/devices/pci0000:00/0000:00:02.0/mdev_supported_types'
ls: cannot access '/sys/devices/pci0000:00/0000:00:02.0/mdev_supported_types': No such file or directory
dmesg | grep -i gvt
[ 0.000000] Command line: BOOT_IMAGE=/BOOT/work-ubuntu-22.04-mate/a/@/vmlinuz-5.19.0-23-generic root=ZFS=hp1/work-ubuntu-22.04-mate/a/rootfs ro quiet intel_iommu=on i915.enable_gvt=1 iommu=pt pcie_acs_override=downstream,multifunction video=efifb:off video=vesa:off vfio_iommu_type1.allow_unsafe_interrupts=1 kvm.ignore_msrs=1 modprobe.blacklist=radeon,nouveau,nvidia,nvidiafb,nvidia-gpu
[ 0.106829] Kernel command line: BOOT_IMAGE=/BOOT/work-ubuntu-22.04-mate/a/@/vmlinuz-5.19.0-23-generic root=ZFS=hp1/work-ubuntu-22.04-mate/a/rootfs ro quiet intel_iommu=on i915.enable_gvt=1 iommu=pt pcie_acs_override=downstream,multifunction video=efifb:off video=vesa:off vfio_iommu_type1.allow_unsafe_interrupts=1 kvm.ignore_msrs=1 modprobe.blacklist=radeon,nouveau,nvidia,nvidiafb,nvidia-gpu
[ 28.438730] WARNING: CPU: 0 PID: 1505 at drivers/gpu/drm/i915/gvt/handlers.c:124 setup_mmio_info.constprop.0+0x9a/0x130 [kvmgt]
[ 28.438878] intel_gvt_setup_mmio_info+0x1c4/0x250 [kvmgt]
[ 28.438911] intel_gvt_init_device+0x111/0x410 [kvmgt]
[ 28.438929] intel_gvt_init_device.part.0+0x10e/0x1b0 [i915]
[ 28.439191] intel_gvt_set_ops+0x98/0xd0 [i915]
一切vmlinuz-5.15.0-53-generic运行正常。
这可能是什么原因？如何解决这个问题？
先感谢您。