Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (virt:av bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4684
Passed test on Red Hat Enterprise Linux release 8.5 Beta (Ootpa) 4.18.0-339.el8.x86_64 qemu-kvm-6.0.0-30.module+el8.5.0+12586+476da3e1.x86_64 seabios-bin-1.14.0-1.module+el8.4.0+8855+a9e237a9.noarch ENV prepare root@dell-per440-07 /home/vbugs $ mount|grep sde /dev/sde on /home/scsi type xfs (rw,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,noquota) root@dell-per440-07 /home/vbugs $ fdisk -l /dev/sde Disk /dev/sde: 40 GiB, 42949672960 bytes, 10485760 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Steps 1.create raw image file on 4k disk qemu-img create -f raw /home/scsi/win10.raw 30g 2.boot vm with blk+raw+iothread /usr/libexec/qemu-kvm \ \ -name 'avocado-vt-vm1' \ -sandbox on \ -machine q35,memory-backend=mem-machine_mem \ -device pcie-root-port,id=pcie-root-port-0,multifunction=on,bus=pcie.0,addr=0x1,chassis=1 \ -device pcie-pci-bridge,id=pcie-pci-bridge-0,addr=0x0,bus=pcie-root-port-0 \ -nodefaults \ -device VGA,bus=pcie.0,addr=0x2 \ -m 12288 \ -object memory-backend-ram,size=12288M,id=mem-machine_mem \ -smp 10,maxcpus=10,cores=5,threads=1,dies=1,sockets=2 \ -cpu 'Cascadelake-Server-noTSX',hv_stimer,hv_synic,hv_vpindex,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,hv_frequencies,hv_runtime,hv_tlbflush,hv_reenlightenment,hv_stimer_direct,hv_ipi,+kvm_pv_unhalt \ \ -device pcie-root-port,id=pcie-root-port-1,port=0x1,addr=0x1.0x1,bus=pcie.0,chassis=2 \ -device qemu-xhci,id=usb1,bus=pcie-root-port-1,addr=0x0 \ -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1 \ -object iothread,id=iothread0 \ -object iothread,id=iothread1 \ -blockdev node-name=file_image1,driver=file,auto-read-only=on,discard=unmap,aio=native,filename=/home/scsi/win10.raw,cache.direct=on,cache.no-flush=off \ -blockdev node-name=drive_image1,driver=raw,read-only=off,cache.direct=on,cache.no-flush=off,file=file_image1 \ -device pcie-root-port,id=pcie-root-port-2,port=0x2,addr=0x1.0x2,bus=pcie.0,chassis=3 \ -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=0,write-cache=on,serial=SYSTEM_DISK0,bus=pcie-root-port-2,addr=0x0,iothread=iothread0 \ -device pcie-root-port,id=pcie-root-port-3,port=0x3,addr=0x1.0x3,bus=pcie.0,chassis=4 \ -device virtio-net-pci,mac=9a:a6:6b:c2:93:56,id=idd0M4NV,netdev=idtL9U8k,bus=pcie-root-port-3,addr=0x0 \ -netdev tap,id=idtL9U8k,vhost=on \ -blockdev node-name=file_cd1,driver=file,auto-read-only=on,discard=unmap,aio=native,filename=/home/kvm_autotest_root/iso/ISO/Win10/en_windows_10_business_editions_version_21h1_x64_dvd_ec5a76c1.iso,cache.direct=on,cache.no-flush=off \ -blockdev node-name=drive_cd1,driver=raw,read-only=on,cache.direct=on,cache.no-flush=off,file=file_cd1 \ -device ide-cd,id=cd1,drive=drive_cd1,bootindex=1,write-cache=on,bus=ide.0,unit=0 \ -blockdev node-name=file_unattended,driver=file,auto-read-only=on,discard=unmap,aio=native,filename=/home/kvm_autotest_root/iso/windows/virtio-win-prewhql-0.1-201.iso,cache.direct=on,cache.no-flush=off \ -blockdev node-name=drive_unattended,driver=raw,read-only=on,cache.direct=on,cache.no-flush=off,file=file_unattended \ -device ide-cd,id=unattended,drive=drive_unattended,bootindex=3,write-cache=on,bus=ide.2,unit=0 \ -vnc :5 \ -rtc base=localtime,clock=host,driftfix=slew \ -boot menu=off,order=cdn,once=d,strict=off \ -enable-kvm -monitor stdio \ -device pcie-root-port,id=pcie_extra_root_port_0,multifunction=on,bus=pcie.0,addr=0x3,chassis=5