>>> On 2/22/2019 at 9:50 AM, Vitaly Kuznetsov <email address hidden> wrote:
> I sent a patch which is supposed to fix the issue:
> https://marc.info/?l=kvm&m=155085391830663&w=2 
> 
> it would be great if someone could give it a spin!
> 

I've been trying to get down to the bottom of this.
It looks like you've got it.
I can confirm that this fixes the issue for me. Thanks!

Tested-by: Bruce Rogers <email address hidden>


> -- 
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> https://bugs.launchpad.net/bugs/1813165 
> 
> Title:
>   KVM internal error. Suberror: 1 emulation failure
> 
> Status in QEMU:
>   New
> 
> 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....
>   LC_ALL=C 
> PATH=/bin:/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/bin:/usr/sbin:/usr/local/b
> in:/usr/local/sbin:/opt/bin HOME=/root USER=root QEMU_AUDIO_DRV=none 
> /usr/bin/kvm -name guest=one-266,debug-threads=on -S -object 
> secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-1-one-266/m
> aster-key.aes -machine pc-i440fx-2.9,accel=kvm,usb=off,dump-guest-core=off 
> -cpu 
> Skylake-Client-IBRS,ss=on,hypervisor=on,tsc_adjust=on,clflushopt=on,ssbd=on,x
> saves=on,pdpe1gb=on -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 
> file=/var/lib/one//datastores/0/266/disk.0,format=qcow2,if=none,id=drive-virt
> io-disk0,cache=none -device 
> virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio
> -disk0,bootindex=1,write-cache=on -drive 
> file=/var/lib/one//datastores/0/266/disk.1,format=raw,if=none,id=drive-ide0-0
> -0,readonly=on -device 
> ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev 
> tap,fd=23,id=hostnet0 -device 
> rtl8139,netdev=hostnet0,id=net0,mac=02:00:00:76:69:85,bus=pci.0,addr=0x3 
> -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 
> -vnc 0.0.0.0:266 -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 
> timestamp=on
>   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 
> DR3=0000000000000000
>   DR6=00000000fffecffc DR7=000000000e1e0400
>   EFER=0000000000000000
>   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 
> (/usr/sbin/libvirtd)
> 
>   Someone has an idea whats going wrong here?
> 
>   thanks and cheers
>   t.
> 
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