[Qemu-devel] [Bug 1652333] [NEW] TCG mode fails to boot Linux kernel with qemu 2.6.0 and libvirt 2.0.0

[Javier Peña]

Public bug reported:

Trying to boot a Cirros (minimal Linux) VM with qemu 2.6.0 and libvirt
2.0.0 in TCG mode fails for me. The VM gets stuck in "Starting up ..."
and never moves on. The command line used to boot the VM was:

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
QEMU_AUDIO_DRV=none /usr/libexec/qemu-kvm -name guest=instance-00000002
,debug-threads=on -S -object
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-1-instance-00000002
/master-key.aes -machine pc-i440fx-rhel7.3.0,accel=tcg,usb=off -cpu
SandyBridge,+osxsave,+hypervisor,+xsaveopt -m 512 -realtime mlock=off
-smp 1,sockets=1,cores=1,threads=1 -uuid ae38b0e1-b3ae-41ec-
8e50-c89669a2ec1c -smbios 'type=1,manufacturer=Red Hat,product=OpenStack
Compute,version=14.0.2-7.el7ost,serial=edd3a67d-
6ce5-4c36-8f20-085d1097abb7,uuid=ae38b0e1-b3ae-41ec-
8e50-c89669a2ec1c,family=Virtual Machine' -no-user-config -nodefaults
-chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-1-instance-00000002/monitor.sock,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-
shutdown -boot strict=on -device piix3-usb-
uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
file=/var/lib/nova/instances/ae38b0e1-b3ae-41ec-
8e50-c89669a2ec1c/disk,format=qcow2,if=none,id=drive-virtio-
disk0,cache=none -device virtio-blk-
pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-
disk0,bootindex=1 -netdev tap,fd=28,id=hostnet0 -device virtio-net-
pci,netdev=hostnet0,id=net0,mac=fa:16:3e:c1:27:73,bus=pci.0,addr=0x3
-add-fd set=1,fd=31 -chardev
file,id=charserial0,path=/dev/fdset/1,append=on -device isa-
serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1
-device isa-serial,chardev=charserial1,id=serial1 -device usb-
tablet,id=input0,bus=usb.0,port=1 -vnc 0.0.0.0:0 -k en-us -device
cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-
pci,id=balloon0,bus=pci.0,addr=0x5 -msg timestamp=on

A qcow2 image can be downloaded from http://download.cirros-
cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img to reproduce the issue.
I've seen a similar failure with a CentOS 7.2 image.

I am also attaching the libvirt log from the failed VM.

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "Libvirt log from failed VM"
   
https://bugs.launchpad.net/bugs/1652333/+attachment/4795733/+files/instance-00000002.log

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https://bugs.launchpad.net/bugs/1652333

Title:
  TCG mode fails to boot Linux kernel with qemu 2.6.0 and libvirt 2.0.0

Status in QEMU:
  New

Bug description:
  Trying to boot a Cirros (minimal Linux) VM with qemu 2.6.0 and libvirt
  2.0.0 in TCG mode fails for me. The VM gets stuck in "Starting up ..."
  and never moves on. The command line used to boot the VM was:

  LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
  QEMU_AUDIO_DRV=none /usr/libexec/qemu-kvm -name
  guest=instance-00000002,debug-threads=on -S -object
  
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-1-instance-00000002
  /master-key.aes -machine pc-i440fx-rhel7.3.0,accel=tcg,usb=off -cpu
  SandyBridge,+osxsave,+hypervisor,+xsaveopt -m 512 -realtime mlock=off
  -smp 1,sockets=1,cores=1,threads=1 -uuid ae38b0e1-b3ae-41ec-
  8e50-c89669a2ec1c -smbios 'type=1,manufacturer=Red
  Hat,product=OpenStack Compute,version=14.0.2-7.el7ost,serial=edd3a67d-
  6ce5-4c36-8f20-085d1097abb7,uuid=ae38b0e1-b3ae-41ec-
  8e50-c89669a2ec1c,family=Virtual Machine' -no-user-config -nodefaults
  -chardev
  
socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-1-instance-00000002/monitor.sock,server,nowait
  -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-
  shutdown -boot strict=on -device piix3-usb-
  uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
  file=/var/lib/nova/instances/ae38b0e1-b3ae-41ec-
  8e50-c89669a2ec1c/disk,format=qcow2,if=none,id=drive-virtio-
  disk0,cache=none -device virtio-blk-
  pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-
  disk0,bootindex=1 -netdev tap,fd=28,id=hostnet0 -device virtio-net-
  pci,netdev=hostnet0,id=net0,mac=fa:16:3e:c1:27:73,bus=pci.0,addr=0x3
  -add-fd set=1,fd=31 -chardev
  file,id=charserial0,path=/dev/fdset/1,append=on -device isa-
  serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1
  -device isa-serial,chardev=charserial1,id=serial1 -device usb-
  tablet,id=input0,bus=usb.0,port=1 -vnc 0.0.0.0:0 -k en-us -device
  cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-
  pci,id=balloon0,bus=pci.0,addr=0x5 -msg timestamp=on

  A qcow2 image can be downloaded from http://download.cirros-
  cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img to reproduce the issue.
  I've seen a similar failure with a CentOS 7.2 image.

  I am also attaching the libvirt log from the failed VM.

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