[Bug 1866870] Re: KVM Guest pauses after upgrade to Ubuntu 20.04

[Andreas Hasenack]

Also crashed with the packages from the other ppa:

ubuntu at f1:~$ qemu-system-x86_64 --help 2>&1|head -n 1
QEMU emulator version 4.2.0 (Debian 1:4.2-3ubuntu3~exp1)

ubuntu at f1:~$ qemu-system-x86_64 --enable-kvm -cpu Penryn,vmx=on -m 512 --nodefaults --nographic
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.01H:ECX.sse4.1 [bit 19]
KVM internal error. Suberror: 1
emulation failure
EAX=00000000 EBX=00000000 ECX=000086d4 EDX=00000000
ESI=00000000 EDI=00000000 EBP=000086d4 ESP=00006d7c
EIP=00007acf EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 ffffffff 00809300
CS =f000 000f0000 ffffffff 00809b00
SS =0000 00000000 ffffffff 00809300
DS =0000 00000000 ffffffff 00809300
FS =0000 00000000 ffffffff 00809300
GS =0000 00000000 ffffffff 00809300
LDT=0000 00000000 0000ffff 00008200
TR =0000 00000000 0000ffff 00008b00
GDT=     000f6200 00000037
IDT=     00000000 000003ff
CR0=00000010 CR2=00000000 CR3=00000000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=b8 90 d9 00 00 66 e8 6b f7 ff ff 66 b8 0a 00 00 00 e9 61 f2 <f3> 0f 1e fb 66 57 66 56 66 53 66 53 66 89 c7 67 66 89 14 24 66 89 ce 66 e8 15 f8 ff ff 88


ubuntu at f1:~$ apt-cache policy qemu-kvm
qemu-kvm:
  Installed: 1:4.2-3ubuntu3~exp1
  Candidate: 1:4.2-3ubuntu3~exp1
  Version table:
 *** 1:4.2-3ubuntu3~exp1 500
        500 http://ppa.launchpad.net/paelzer/bug-1866870-qemu-penryn-crash-fullreverts/ubuntu focal/main amd64 Packages
        100 /var/lib/dpkg/status
     1:4.2-3ubuntu2 500
        500 http://br.archive.ubuntu.com/ubuntu focal/main amd64 Packages

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https://bugs.launchpad.net/bugs/1866870

Title:
  KVM Guest pauses after upgrade to Ubuntu 20.04

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