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已安裝nvidia 顯卡 驅動 操作系統:CentOS Linux release 7.9.2009 (Core) 內核版本:Linux 5.4.135-1.el7.elrepo.x86_64 顯卡 型號:rtx 6000 kvm版本: virsh version Compiled against library: libvirt 4.5.0 Using library: libvirt 4.5.0 Using API : QEMU 4.5.0 Running hypervisor: QEMU 1.5.3
1.配置GRUB_CMDLINE_LINUX(實測,有效),查詢要解綁的設備,記錄設備id號
lspci -nn|grep NVIDIA |grep VGA 或者 lspci -nn|grep NVIDIA
2.修改 /etc/default/grub文件的GRUB_CMDLINE_LINUX
vi /etc/default/grub 以下是內容,新增加 GRUB_CMDLINE_LINUX行: intel_iommu=on pci-stub.ids=10de:1e30" GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLINE_LINUX="intel_iommu=on crashkernel=auto spectre_v2=retpoline rhgb quiet rdblacklist=nouveau pci-stub.ids=10de:1e30" GRUB_DISABLE_RECOVERY="true"
3.更新grub2 conf,執行如下命令
grub2-mkconfig -o /boot/grub2/grub.cfg
4.重啟系統
reboot
驗證并查看nvidia 顯卡
1.執行nvidia-smi ,看不到顯卡,證明顯卡已經被解綁
# nvidia-smi NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
2.驗證內核支持iommu
cat /proc/cmdline | grep iommu 結果輸出: intel_iommu=on
3.驗證VT-D是否啟用
dmesg |grep -e DMAR -e IOMMU
安裝win10虛擬機
qemu-img create -f qcow2 /home/kvm-machines/shaoyan.qcow2 200G virt-install --name shaoyan --ram 4096 --vcpus=8 --os-type=windows --accelerate --cdrom=/home/kvm_images/win10.iso --disk path=/home/kvm-machines/shaoyan.qcow2,format=qcow2,bus=ide --bridge=br0 --autostart --vnc --vncport=5910 --vnclisten=0.0.0.0
宿主機安裝軟件包
yum -y groups install 'GNOME Desktop' virt-manager virt-viewer dejavu-lgc-sans-fonts
顯卡加載vfio驅動
1.顯卡加載vfio驅動
modprobe vfio modprobe vfio-pci
2.從服務器卸載1張顯卡的4個設備
virsh nodedev-detach pci_0000_b1_00_0 virsh nodedev-detach pci_0000_b1_00_1 virsh nodedev-detach pci_0000_b1_00_2 virsh nodedev-detach pci_0000_b1_00_3
3.驗證顯卡設備是否加載vfio-pci驅動,加載成功
# lspci -vv -s b1:00.0 | grep driver Kernel driver in use: vfio-pci [root@rtx_6000 10.147.100.107 ~ ] # lspci -vv -s b1:00.1 | grep driver Kernel driver in use: vfio-pci [root@rtx_6000 10.147.100.107 ~ ] # lspci -vv -s b1:00.2 | grep driver Kernel driver in use: vfio-pci [root@rtx_6000 10.147.100.107 ~ ] # lspci -vv -s b1:00.3 | grep driver Kernel driver in use: vfio-pci
win10虛擬機添加NVDIA顯卡
1.通過遠控卡登錄服務器透傳顯卡,執行startx 調出可視化頁面
startx
2.添加顯卡硬件
3.查看顯卡
顯卡驅動安裝
1.要安裝顯卡驅動,需要修改虛擬機win10的配置文件 否則顯卡驅動安裝過程中自檢會報錯ERROR CODE 43,驅動不允許安裝在虛擬機上。
#編輯VM XML virsh edit shaoyan #修改第一行 <domain type='kvm'> #為 <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'> #找到<features>節點,添加內容 <features> ... <kvm><hidden state='on'/></kvm> ... </features> #找到</device>節點,在device后添加內容 <qemu:commandline><qemu:arg value='-cpu'/><qemu:arg value='host,hv_time,kvm=off,hv_vendor_id=null'/> </qemu:commandline> #重啟VM virsh destroy shaoyan virsh start shaoyan
2.附錄完整xml 文件如下,如果是拷貝至其他宿主機配置文件的話,只需要保留xml 文件中的第一組hostdev即可,否則會報錯
# cat /etc/libvirt/qemu/shaoyan.xml <!-- WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE OVERWRITTEN AND LOST. Changes to this xml configuration should be made using: virsh edit shaoyan or other application using the libvirt API. --> <domain type='kvm'> <name>shaoyan</name> <uuid>e06c6c3b-0a57-43e8-9d6f-02fd1e2aad83</uuid> <title>gpu</title> <description>gpu</description> <memory unit='KiB'>16777216</memory> <currentMemory unit='KiB'>16777216</currentMemory> <vcpu placement='static'>16</vcpu> <os> <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <hyperv> <relaxed state='on'/> <vapic state='on'/> <spinlocks state='on' retries='8191'/> </hyperv> </features> <cpu mode='host-passthrough' check='none'/> <clock offset='localtime'> <timer name='rtc' tickpolicy='catchup'/> <timer name='pit' tickpolicy='delay'/> <timer name='hpet' present='no'/> <timer name='hypervclock' present='yes'/> </clock> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <pm> <suspend-to-mem enabled='no'/> <suspend-to-disk enabled='no'/> </pm> <devices> <emulator>/usr/bin/qemu-kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='qcow2'/> <source file='/data/kvm/shaoyan.qcow2'/> <target dev='hda' bus='ide'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk> <controller type='usb' index='0' model='ich9-ehci1'> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x7'/> </controller> <controller type='usb' index='0' model='ich9-uhci1'> <master startport='0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0' multifunction='on'/> </controller> <controller type='usb' index='0' model='ich9-uhci2'> <master startport='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x1'/> </controller> <controller type='usb' index='0' model='ich9-uhci3'> <master startport='4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x2'/> </controller> <controller type='pci' index='0' model='pci-root'/> <controller type='ide' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:48:b2:5a'/> <source bridge='br0'/> <model type='e1000'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <target type='isa-serial' port='0'> <model name='isa-serial'/> </target> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <input type='tablet' bus='usb'> <address type='usb' bus='0' port='1'/> </input> <input type='mouse' bus='ps2'/> <input type='keyboard' bus='ps2'/> <graphics type='vnc' port='5910' autoport='no' listen='0.0.0.0'> <listen type='address' address='0.0.0.0'/> </graphics> <video> <model type='vga' vram='16384' heads='1' primary='yes'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0xb1' slot='0x00' function='0x0'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0xb1' slot='0x00' function='0x1'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0xb1' slot='0x00' function='0x2'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0xb1' slot='0x00' function='0x3'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/> </hostdev> <memballoon model='virtio'> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </memballoon> </devices> </domain>
3.登錄win10 虛擬機配置網絡
4.安裝驅動,選擇具體型號進行下載并安裝驅動
5.查看顯卡設備
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