[Libguestfs] redhat 7.6 on intel ice lake sp kvm got error

&nbsp;Dear&nbsp; &nbsp; &nbsp;On redhat 7.6 OS with intel ice lake cpu like : _________________________________________________________________________ [root@localhost ~]# lscpu Architecture:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x86_64 CPU op-mode(s):&nbsp; &nbsp; &nbsp; &nbsp; 32-bit, 64-bit Byte Order:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Little Endian CPU(s):&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 96 On-line CPU(s) list:&nbsp; &nbsp;0-95 Thread(s) per core:&nbsp; &nbsp; 2 Core(s) per socket:&nbsp; &nbsp; 24 Socket(s):&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2 NUMA node(s):&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2 Vendor ID:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;GenuineIntel CPU family:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 6 Model:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;106 Model name:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Intel(R) Xeon(R) Gold 5318Y CPU @ 2.10GHz Stepping:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 6 CPU MHz:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2100.000 BogoMIPS:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4200.00 Virtualization:&nbsp; &nbsp; &nbsp; &nbsp; VT-x L1d cache:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;48K L1i cache:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;32K L2 cache:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1280K L3 cache:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 36864K NUMA node0 CPU(s):&nbsp; &nbsp; &nbsp;0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94 NUMA node1 CPU(s):&nbsp; &nbsp; &nbsp;1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95 Flags:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb cat_l3 intel_pt ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts avx512vbmi umip pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq spec_ctrl intel_stibp flush_l1d arch_capabilities [root@localhost ~]# uname -a Linux localhost.localdomain 3.10.0-957.el7.x86_64 #1 SMP Thu Oct 4 20:48:51 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux [root@localhost ~]#&nbsp; __________________________________________________________________________________________________ When create kvm got this error: __________________________________________________________________________________________________ [root@localhost ~]# /usr/libexec/qemu-kvm -name test -machine pc -m 8192 kvm_init_vcpu failed: Invalid argument __________________________________________________________________________________________________ So I trust to debug this : __________________________________________________________________________________________________ [root@localhost ~]# export LIBGUESTFS_BACKEND=direct [root@localhost ~]# export LIBGUESTFS_DEBUG=1 [root@localhost ~]# export LIBGUESTFS_TRACE=1 [root@localhost ~]#&nbsp; libguestfs-test-tool &nbsp; &nbsp; &nbsp;************************************************************ &nbsp; &nbsp; &nbsp;*&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; IMPORTANT NOTICE &nbsp; &nbsp; &nbsp;* &nbsp; &nbsp; &nbsp;* When reporting bugs, include the COMPLETE, UNEDITED &nbsp; &nbsp; &nbsp;* output below in your bug report. &nbsp; &nbsp; &nbsp;* &nbsp; &nbsp; &nbsp;************************************************************ libguestfs: trace: set_verbose true libguestfs: trace: set_verbose = 0 libguestfs: trace: set_backend "direct" libguestfs: trace: set_backend = 0 libguestfs: trace: set_verbose true libguestfs: trace: set_verbose = 0 LIBGUESTFS_DEBUG=1 LIBGUESTFS_BACKEND=direct LIBGUESTFS_TRACE=1 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin XDG_RUNTIME_DIR=/run/user/0 SELinux: Enforcing libguestfs: trace: add_drive_scratch 104857600 libguestfs: trace: get_tmpdir libguestfs: trace: get_tmpdir = "/tmp" libguestfs: trace: disk_create "/tmp/libguestfsWpVuIR/scratch1.img" "raw" 104857600 libguestfs: trace: disk_create = 0 libguestfs: trace: add_drive "/tmp/libguestfsWpVuIR/scratch1.img" "format:raw" "cachemode:unsafe" libguestfs: trace: add_drive = 0 libguestfs: trace: add_drive_scratch = 0 libguestfs: trace: get_append libguestfs: trace: get_append = "NULL" guestfs_get_append: (null) libguestfs: trace: get_autosync libguestfs: trace: get_autosync = 1 guestfs_get_autosync: 1 libguestfs: trace: get_backend libguestfs: trace: get_backend = "direct" guestfs_get_backend: direct libguestfs: trace: get_backend_settings libguestfs: trace: get_backend_settings = [] guestfs_get_backend_settings: [] libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/var/tmp" guestfs_get_cachedir: /var/tmp libguestfs: trace: get_hv libguestfs: trace: get_hv = "/usr/libexec/qemu-kvm" guestfs_get_hv: /usr/libexec/qemu-kvm libguestfs: trace: get_memsize libguestfs: trace: get_memsize = 500 guestfs_get_memsize: 500 libguestfs: trace: get_network libguestfs: trace: get_network = 0 guestfs_get_network: 0 libguestfs: trace: get_path libguestfs: trace: get_path = "/usr/lib64/guestfs" guestfs_get_path: /usr/lib64/guestfs libguestfs: trace: get_pgroup libguestfs: trace: get_pgroup = 0 guestfs_get_pgroup: 0 libguestfs: trace: get_program libguestfs: trace: get_program = "libguestfs-test-tool" guestfs_get_program: libguestfs-test-tool libguestfs: trace: get_recovery_proc libguestfs: trace: get_recovery_proc = 1 guestfs_get_recovery_proc: 1 libguestfs: trace: get_smp libguestfs: trace: get_smp = 1 guestfs_get_smp: 1 libguestfs: trace: get_sockdir libguestfs: trace: get_sockdir = "/tmp" guestfs_get_sockdir: /tmp libguestfs: trace: get_tmpdir libguestfs: trace: get_tmpdir = "/tmp" guestfs_get_tmpdir: /tmp libguestfs: trace: get_trace libguestfs: trace: get_trace = 1 guestfs_get_trace: 1 libguestfs: trace: get_verbose libguestfs: trace: get_verbose = 1 guestfs_get_verbose: 1 host_cpu: x86_64 Launching appliance, timeout set to 600 seconds. libguestfs: trace: launch libguestfs: trace: max_disks libguestfs: trace: max_disks = 255 libguestfs: trace: version libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 38, release: 2, extra: rhel=7,release=12.el7,libvirt, &gt; libguestfs: trace: get_backend libguestfs: trace: get_backend = "direct" libguestfs: launch: program=libguestfs-test-tool libguestfs: launch: version=1.38.2rhel=7,release=12.el7,libvirt libguestfs: launch: backend registered: unix libguestfs: launch: backend registered: uml libguestfs: launch: backend registered: libvirt libguestfs: launch: backend registered: direct libguestfs: launch: backend=direct libguestfs: launch: tmpdir=/tmp/libguestfsWpVuIR libguestfs: launch: umask=0022 libguestfs: launch: euid=0 libguestfs: trace: get_backend_setting "force_tcg" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/var/tmp" libguestfs: begin building supermin appliance libguestfs: run supermin libguestfs: command: run: /usr/bin/supermin5 libguestfs: command: run: \ --build libguestfs: command: run: \ --verbose libguestfs: command: run: \ --if-newer libguestfs: command: run: \ --lock /var/tmp/.guestfs-0/lock libguestfs: command: run: \ --copy-kernel libguestfs: command: run: \ -f ext2 libguestfs: command: run: \ --host-cpu x86_64 libguestfs: command: run: \ /usr/lib64/guestfs/supermin.d libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d supermin: version: 5.1.19 supermin: rpm: detected RPM version 4.11 supermin: package handler: fedora/rpm supermin: acquiring lock on /var/tmp/.guestfs-0/lock supermin: if-newer: output does not need rebuilding libguestfs: finished building supermin appliance libguestfs: begin testing qemu features libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/var/tmp" libguestfs: checking for previously cached test results of /usr/libexec/qemu-kvm, in /var/tmp/.guestfs-0 libguestfs: loading previously cached test results libguestfs: QMP parse error: parse error: premature EOF\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(right here) ------^\n (ignored) libguestfs: qemu version: 1.5 libguestfs: qemu mandatory locking: no libguestfs: trace: get_sockdir libguestfs: trace: get_sockdir = "/tmp" libguestfs: finished testing qemu features libguestfs: trace: get_backend_setting "gdb" libguestfs: trace: get_backend_setting = NULL (error) /usr/libexec/qemu-kvm \ &nbsp; &nbsp; -global virtio-blk-pci.scsi=off \ &nbsp; &nbsp; -nodefconfig \ &nbsp; &nbsp; -enable-fips \ &nbsp; &nbsp; -nodefaults \ &nbsp; &nbsp; -display none \ &nbsp; &nbsp; -machine accel=kvm:tcg \ &nbsp; &nbsp; -cpu host \ &nbsp; &nbsp; -m 500 \ &nbsp; &nbsp; -no-reboot \ &nbsp; &nbsp; -rtc driftfix=slew \ &nbsp; &nbsp; -no-hpet \ &nbsp; &nbsp; -global kvm-pit.lost_tick_policy=discard \ &nbsp; &nbsp; -kernel /var/tmp/.guestfs-0/appliance.d/kernel \ &nbsp; &nbsp; -initrd /var/tmp/.guestfs-0/appliance.d/initrd \ &nbsp; &nbsp; -object rng-random,filename=/dev/urandom,id=rng0 \ &nbsp; &nbsp; -device virtio-rng-pci,rng=rng0 \ &nbsp; &nbsp; -device virtio-scsi-pci,id=scsi \ &nbsp; &nbsp; -drive file=/tmp/libguestfsWpVuIR/scratch1.img,cache=unsafe,format=raw,id=hd0,if=none \ &nbsp; &nbsp; -device scsi-hd,drive=hd0 \ &nbsp; &nbsp; -drive file=/var/tmp/.guestfs-0/appliance.d/root,snapshot=on,id=appliance,cache=unsafe,if=none,format=raw \ &nbsp; &nbsp; -device scsi-hd,drive=appliance \ &nbsp; &nbsp; -device virtio-serial-pci \ &nbsp; &nbsp; -serial stdio \ &nbsp; &nbsp; -device sga \ &nbsp; &nbsp; -chardev socket,path=/tmp/libguestfs1BAOaL/guestfsd.sock,id=channel0 \ &nbsp; &nbsp; -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ &nbsp; &nbsp; -append "panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=vt100" kvm_init_vcpu failed: Invalid argument libguestfs: error: appliance closed the connection unexpectedly, see earlier error messages libguestfs: child_cleanup: 0x55884c0456e0: child process died libguestfs: sending SIGTERM to process 41216 libguestfs: error: /usr/libexec/qemu-kvm exited with error status 1, see debug messages above libguestfs: error: guestfs_launch failed, see earlier error messages libguestfs: trace: launch = -1 (error) libguestfs: trace: close libguestfs: closing guestfs handle 0x55884c0456e0 (state 0) libguestfs: command: run: rm libguestfs: command: run: \ -rf /tmp/libguestfsWpVuIR libguestfs: command: run: rm libguestfs: command: run: \ -rf /tmp/libguestfs1BAOaL __________________________________________________________________________________________________ Please help me.