Поставил на старенький сервачок Centos7 и kvm. Стандартные репозитории, все обновлено.
Создаю и запускаю виртуалку через virt-manager.
Вирт-манаджер отображает только черный экран, а сама виртуалка грузит один проц на 100%:
16010 qemu 20 0 2097732 49192 11124 S 100,3 1,0 0:06.98 qemu-kvm
Логи ничего страшного вроде не говорят:
cat /var/log/libvirt/qemu/generic.log
2018-03-16 10:14:31.722+0000: starting up libvirt version: 3.2.0, package: 14.el7_4.9 (CentOS BuildSystem <http://bugs.centos.org>, 2018-03-07-13:51:24, x86-01.bsys.centos.org), qemu version: 1.5.3 (qemu-kvm-1.5.3-141.el7_4.6), hostname: main.miner
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=spice /usr/libexec/qemu-kvm -name generic -S -machine pc-i440fx-rhel7.0.0,accel=tcg,usb=off,dump-guest-core=off -cpu Penryn,+vme,+ds,+acpi,+ss,+ht,+tm,+pbe,+dtes64,+monitor,+ds_cpl,+vmx,+est,+tm2,+xtpr,+pdcm,+dca -m 1024 -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid a46d3258-8faf-4e7a-81a3-5340257a6c96 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-11-generic/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=delay -no-hpet -no-shutdown -global PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -boot menu=on,strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -drive file=/mnt/kvm/rhel7.2.qcow2,format=qcow2,if=none,id=drive-virtio-disk0 -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x8,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/mnt/kvm/CentOS-7-x86_64-Minimal-1708.iso,format=raw,if=none,id=drive-ide0-0-1,readonly=on -device ide-cd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -netdev tap,fd=26,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:9a:c9:ad,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -spice port=5900,addr=127.0.0.1,disable-ticketing,seamless-migration=on -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 -global qxl-vga.vgamem_mb=16 -global qxl-vga.max_outputs=1 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -chardev spicevmc,id=charredir0,name=usbredir -device usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=1 -chardev spicevmc,id=charredir1,name=usbredir -device usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 -msg timestamp=on
char device redirected to /dev/pts/3 (label charserial0)
main_channel_link: add main channel client
main_channel_handle_parsed: net test: latency 9.851000 ms, bitrate 20081384 bps (19.151100 Mbps)
red_client_destroy: destroy client 0x55d9fdca3780 with #channels=1
red_channel_client_disconnect: rcc=0x55da0d725000 (channel=0x55da0cd3c000 type=1 id=0)
main_channel_client_on_disconnect: rcc=0x55da0d725000
main_channel_link: add main channel client
main_channel_handle_parsed: net test: latency 18.831000 ms, bitrate 15333932 bps (14.623577 Mbps)
red_dispatcher_set_cursor_peer:
inputs_connect: inputs channel client create
Процессор на хосте:
cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU E5430 @ 2.66GHz
stepping : 6
microcode : 0x60f
cpu MHz : 2660.089
cache size : 6144 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : 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 lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 lahf_lm tpr_shadow vnmi flexpriority dtherm
bogomips : 5320.17
clflush size : 64
cache_alignment : 64
address sizes : 38 bits physical, 48 bits virtual
power management:
В ядре модули подгружены:
# lsmod | grep kvm
kvm 570658 0
irqbypass 13503 1 kvm
