ps is showing QEMU is running as follows: /usr/bin/qemu-system-s390x -name guest=ubuntu20.04-focal-s390x,debug- threads=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-10-ubuntu20.04-focal-s3 /master-key.aes -machine s390-ccw-virtio-eoan,accel=tcg,usb=off,dump- guest-core=off -m 2048 -overcommit mem-lock=off -smp 2,sockets=2,cores=1,threads=1 -uuid 6501dfbf-16d7-4412-a9d5-1ee808b42804 -display none -no-user-config -nodefaults -chardev socket,id=charmonitor,fd=24,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot strict=on -device virtio-scsi-ccw,id=scsi0,devno=fe.0.0002 -device virtio-serial-ccw,id=virtio-serial0,devno=fe.0.0003 -drive file=/pool- ssd/virt/ubuntu19.10-eaon-s390x-clone,format=qcow2,if=none,id=drive- virtio-disk0 -device virtio-blk-ccw,scsi=off,devno=fe.0.0000,drive =drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive- scsi0-0-0-0,readonly=on -device scsi-cd,bus=scsi0.0,channel=0,scsi- id=0,lun=0,device_id=drive-scsi0-0-0-0,drive=drive- scsi0-0-0-0,id=scsi0-0-0-0 -netdev tap,fd=27,id=hostnet0 -device virtio- net-ccw,netdev=hostnet0,id=net0,mac=52:54:00:a3:21:68,devno=fe.0.0001 -chardev socket,id=charchannel0,fd=28,server,nowait -device virtserialport,bus=virtio- serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 -chardev pty,id=charconsole0 -device sclpconsole,chardev=charconsole0,id=console0 -device virtio-balloon- ccw,id=balloon0,devno=fe.0.0004 -object rng- random,id=objrng0,filename=/dev/urandom -device virtio-rng- ccw,rng=objrng0,id=rng0,devno=fe.0.0005 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny -msg timestamp=on
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1852781 Title: qemu s390x on focal - applications breaking Status in QEMU: New Bug description: Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering random breakage, for example: sudo apt-get update && sudo apt-get dist-upgrade ... ... Unpacking debianutils (4.9) over (4.8.6.3) ... Setting up debianutils (4.9) ... Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43. (Reading database ... 83640 files and directories currently installed.) Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ... Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ... Setting up bash (5.0-5ubuntu1) ... [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000] dpkg: error processing package bash (--configure): installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du mped Errors were encountered while processing: bash E: Sub-process /usr/bin/dpkg returned an error code (1) And now bash is completely broken: cking@eoan-s390x:~$ bash [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000] Floating point exception (core dumped) The upgrade works OK on a s390x, so I'm assuming it's something to do with the qemu emulation. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions
