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[Bug 1813165] Re: KVM internal error. Suberror: 1 emulation failure

From: tstrike
Subject: [Bug 1813165] Re: KVM internal error. Suberror: 1 emulation failure
Date: Thu, 05 Mar 2020 17:17:36 -0000

Hey folks, I am having the same problem.

I recognize there was a patch a year ago (almost exactly one year ago)
and I wonder it was included in later updates.

That said, Ubuntu has upgraded. Recently I upgrade my machine. Here are
some key stats.

DistroRelease: Ubuntu 20.04
Uname: Linux 5.4.0-14-generic x86_64
UpgradeStatus: Upgraded to focal on 2020-02-12 (22 days ago)
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
 kvmtool                               N/A
 gir1.2-libvirt-glib-1.0               2.0.0-2
 gir1.2-libvirt-sandbox-1.0            N/A
 libnss-libvirt                        N/A
 libvirt-bin                           N/A
 libvirt-clients                       6.0.0-0ubuntu4
 libvirt-daemon                        6.0.0-0ubuntu4
 libvirt-daemon-driver-lxc             N/A
 libvirt-daemon-driver-qemu            6.0.0-0ubuntu4
 libvirt-daemon-driver-storage-gluster N/A
 libvirt-daemon-driver-storage-rbd     6.0.0-0ubuntu4
 libvirt-daemon-driver-storage-zfs     N/A
 libvirt-daemon-driver-vbox            N/A
 libvirt-daemon-driver-xen             N/A
 libvirt-daemon-system                 6.0.0-0ubuntu4
 libvirt-daemon-system-systemd         6.0.0-0ubuntu4
 libvirt-daemon-system-sysv            N/A
 libvirt-dbus                          N/A
 libvirt-dev                           6.0.0-0ubuntu4
 libvirt-doc                           N/A
 libvirt-glib-1.0-0                    2.0.0-2
 libvirt-glib-1.0-dev                  N/A
 libvirt-ocaml                         N/A
 libvirt-ocaml-dev                     N/A
 libvirt-sandbox-1.0-5                 N/A
 libvirt-sandbox-1.0-dev               N/A
 libvirt-sanlock                       N/A
 libvirt-wireshark                     N/A
 libvirt0                              6.0.0-0ubuntu4
 libvirtodbc0                          N/A
 libvirtualpg-dev                      N/A
 libvirtualpg0                         N/A
 libvirtuoso5.5-cil                    N/A
 nbdkit-plugin-libvirt                 N/A
 nova-compute-libvirt                  N/A
 php-libvirt-php                       N/A
 python3-libvirt                       6.0.0-0ubuntu3
 ruby-fog-libvirt                      0.6.0-1
 ruby-libvirt                          0.7.1-1
 uvtool-libvirt                        N/A
 vagrant-libvirt                       0.0.45-2
 virt-manager                          1:2.2.1-3ubuntu1
 qemu                                  1:4.2-3ubuntu1
 qemu-block-extra                      1:4.2-3ubuntu1
 qemu-efi                              N/A
 qemu-efi-aarch64                      N/A
 qemu-efi-arm                          N/A
 qemu-guest-agent                      N/A
 qemu-kvm                              1:4.2-3ubuntu1
 qemu-slof                             N/A
 qemu-system                           N/A
 qemu-system-arm                       N/A
 qemu-system-common                    1:4.2-3ubuntu1
 qemu-system-data                      1:4.2-3ubuntu1
 qemu-system-gui                       1:4.2-3ubuntu1
 qemu-system-mips                      N/A
 qemu-system-misc                      N/A
 qemu-system-ppc                       N/A
 qemu-system-s390x                     N/A
 qemu-system-sparc                     N/A
 qemu-system-x86                       1:4.2-3ubuntu1
 qemu-system-x86-microvm               N/A
 qemu-system-x86-xen                   N/A
 qemu-user                             N/A
 qemu-user-binfmt                      N/A
 qemu-user-static                      N/A
 qemu-utils                            1:4.2-3ubuntu1
 qemubuilder                           N/A

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  KVM internal error. Suberror: 1 emulation failure

Status in QEMU:

Bug description:
  Hello Devs.

  Having problems getting VM to run with qemu 3.1.0. I should mention
  it's a nested configuration.

  2019-01-24 13:46:08.648+0000: starting up libvirt version: 4.10.0, qemu 
version: 3.1.0, kernel: 4.14.94, hostname: one....
 HOME=/root USER=root QEMU_AUDIO_DRV=none /usr/bin/kvm -name 
guest=one-266,debug-threads=on -S -object 
 -machine pc-i440fx-2.9,accel=kvm,usb=off,dump-guest-core=off -cpu 
 -m 1024 -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid 
b219b45d-a2f0-4128-a948-8673a7abf968 -no-user-config -nodefaults -chardev 
socket,id=charmonitor,fd=21,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 
 -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev 
tap,fd=23,id=hostnet0 -device 
-chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 
-vnc -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device 
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -sandbox 
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny -msg 
  char device redirected to /dev/pts/1 (label charserial0)
  KVM internal error. Suberror: 1
  emulation failure
  EAX=00000001 EBX=000f7c2c ECX=00000001 EDX=00000001
  ESI=00006a26 EDI=3ffbdc48 EBP=000069e6 ESP=000a8000
  EIP=000fd057 EFL=00010016 [----AP-] CPL=0 II=0 A20=1 SMM=1 HLT=0
  ES =0010 00000000 ffffffff 00c09300
  CS =0000 00000000 00000fff 00809b00
  SS =0010 00000000 ffffffff 00c09300
  DS =0010 00000000 ffffffff 00c09300
  FS =0010 00000000 ffffffff 00c09300
  GS =0010 00000000 ffffffff 00c09300
  LDT=0000 00000000 0000ffff 00008200
  TR =0000 00000000 0000ffff 00008b00
  GDT=     10387cfe 0000fe6c
  IDT=     0010387c 00003810
  CR0=00000010 CR2=00000000 CR3=00000000 CR4=00000000
  DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
  DR6=00000000fffecffc DR7=000000000e1e0400
  Code=cb 66 ba 4d d0 0f 00 e9 c8 fe bc 00 80 0a 00 e8 31 3a ff ff <0f> aa fa 
fc 66 ba 66 d0 0f 00 e9 b1 fe f3 90 f0 0f ba 2d ac 3b 0f 00 00 72 f3 8b 25 a8 3b
  2019-01-24T13:47:39.383366Z kvm: terminating on signal 15 from pid 2708 

  Someone has an idea whats going wrong here?

  thanks and cheers

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