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2019-09-21T23:33:56.395403Z qemu-system-x86_64: vfio_region_write(0000:65:00.0:region1+0xd71e0, 0x0,8) failed: Device or resource busy
I created a vfio-pci.cfg but the binding to a Windows 10 VM on Supermicro X11SPM-F with GeForce RTX 2080 SUPER doesn't seem to work. I get the same result as not having a vfio-pci.cfg file when I attempt to start the VM:
VM log:
ErrorWarningSystemArrayLogin -boot strict=on \ -device pcie-root-port,port=0x10,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x2 \ -device pcie-root-port,port=0x11,chassis=2,id=pci.2,bus=pcie.0,addr=0x2.0x1 \ -device pcie-root-port,port=0x12,chassis=3,id=pci.3,bus=pcie.0,addr=0x2.0x2 \ -device pcie-root-port,port=0x13,chassis=4,id=pci.4,bus=pcie.0,addr=0x2.0x3 \ -device pcie-root-port,port=0x14,chassis=5,id=pci.5,bus=pcie.0,addr=0x2.0x4 \ -device pcie-root-port,port=0x8,chassis=6,id=pci.6,bus=pcie.0,multifunction=on,addr=0x1 \ -device pcie-pci-bridge,id=pci.7,bus=pci.1,addr=0x0 \ -device pcie-root-port,port=0x9,chassis=8,id=pci.8,bus=pcie.0,addr=0x1.0x1 \ -device pcie-root-port,port=0xa,chassis=9,id=pci.9,bus=pcie.0,addr=0x1.0x2 \ -device qemu-xhci,p2=15,p3=15,id=usb,bus=pcie.0,addr=0x7 \ -device virtio-serial-pci,id=virtio-serial0,bus=pci.2,addr=0x0 \ -drive 'file=/mnt/disks/Scorch/VM/Windows 10/vdisk1.img,format=raw,if=none,id=drive-virtio-disk2,cache=writeback' \ -device virtio-blk-pci,scsi=off,bus=pci.4,addr=0x0,drive=drive-virtio-disk2,id=virtio-disk2,bootindex=1,write-cache=on \ -drive file=/mnt/user/backup/Win10_1903_V1_English_x64.iso,format=raw,if=none,id=drive-sata0-0-0,readonly=on \ -device ide-cd,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0,bootindex=2 \ -drive file=/mnt/user/backup/virtio-win-0.1.160-1.iso,format=raw,if=none,id=drive-sata0-0-1,readonly=on \ -device ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1 \ -netdev tap,fd=29,id=hostnet0,vhost=on,vhostfd=30 \ -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:da:47:b1,bus=pci.3,addr=0x0 \ -chardev pty,id=charserial0 \ -device isa-serial,chardev=charserial0,id=serial0 \ -chardev socket,id=charchannel0,fd=31,server,nowait \ -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 \ -device usb-tablet,id=input0,bus=usb.0,port=3 \ -vnc 0.0.0.0:0,websocket=5700 \ -k en-us \ -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.7,addr=0x1 \ -device vfio-pci,host=65:00.0,id=hostdev0,bus=pci.5,addr=0x0 \ -device vfio-pci,host=65:00.1,id=hostdev1,bus=pci.6,addr=0x0 \ -device usb-host,hostbus=1,hostaddr=5,id=hostdev2,bus=usb.0,port=1 \ -device usb-host,hostbus=1,hostaddr=7,id=hostdev3,bus=usb.0,port=2 \ -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ -msg timestamp=on 2019-09-21 05:40:54.258+0000: Domain id=1 is tainted: high-privileges 2019-09-21 05:40:54.258+0000: Domain id=1 is tainted: host-cpu char device redirected to /dev/pts/0 (label charserial0) 2019-09-21T05:40:54.449416Z qemu-system-x86_64: -device vfio-pci,host=65:00.0,id=hostdev0,bus=pci.5,addr=0x0: vfio 0000:65:00.0: group 28 is not viable Please ensure all devices within the iommu_group are bound to their vfio bus driver. 2019-09-21 05:40:54.488+0000: shutting down, reason=failed
I am able to BIND and start the VM if I edit the Syslinux configuration with "{append initrd=/bzroot} vfio-pci.ids=10de:1e81,10de:10f8,10de:1ad8,10de:1ad9" and this noted here:
In safe mode the VM tab reports "Libvirt Service failed to start." Please see second diagnostics.
Rebooting to normal after safe-mode seems to have fixed some things. The BIND is now working with a stock Syslinux configuration so vfio-pci.cfg appears to be working. (Or are there effects remaining form the previous mods?)
Starting the VM resulted in this line filling the syslog:
2019-09-21T23:33:56.395403Z qemu-system-x86_64: vfio_region_write(0000:65:00.0:region1+0xd71e0, 0x0,8) failed: Device or resource busy
Adding these lines to my go file allows the VM to operate acceptably:
#fix video for VM
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
Please see latest diagnostics attached.
rack-diagnostics-20190921-0547.zip vfio-pci.cfg
Edited by dgaschk
safe mode test added
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