** Description changed:

  On 20.04 amd64 trying to run 'aptitude full-upgrade' inside a Debian
  buster chroot:
  
  mkdir debian-buster-aarch64
  sudo debootstrap --arch=arm64 --foreign buster debian-buster-aarch64 
http://deb.debian.org/debian
  sudo cp -a /usr/bin/qemu-aarch64-static debian-buster-aarch64/usr/bin/
  sudo chroot debian-buster-aarch64 debootstrap/debootstrap --second-stage
  sudo chroot debian-buster-aarch64 apt install locales
  sudo chroot debian-buster-aarch64 dpkg-reconfigure locales
  sudo chroot debian-buster-aarch64 update-locale en_GB.UTF-8
+ sudo chroot debian-buster-aarch64 apt install aptitude
  
  sudo cp -a debian-buster-aarch64 debian-sid-aarch64
  
  sudo sed -i 's/buster/sid/g' debian-sid-aarch64/etc/apt/sources.list
  sudo chroot debian-sid-aarch64 apt update
  sudo chroot debian-sid-aarch64 aptitude full-upgrade
  ...
  Need to get 110 MB of archives. After unpacking 195 MB will be used.
  Do you want to continue? [Y/n/?] y
  qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x6027796c
  qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x60001a4e
- 
  
  This seems to have been reported for other architectures over a long
  period with some reports seeming to indicate at least on cause has been
  fixed.
  
  https://github.com/vivier/qemu-m68k/issues/33
  
  https://github.com/vivier/qemu-m68k/issues/38
  
  https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1254828
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: qemu-user-static 1:4.2-3ubuntu6.10
  Uname: Linux 5.10.0-051000rc5-lowlatency x86_64
  ApportVersion: 2.20.11-0ubuntu27.13
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read 
kernel buffer failed: Operation not permitted
  Date: Wed Dec  2 06:48:43 2020
  InstallationDate: Installed on 2020-04-08 (237 days ago)
  InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200408)
  KvmCmdLine: COMMAND         STAT  EUID  RUID     PID    PPID %CPU COMMAND
  MachineType: LENOVO 20NECTO1WW
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.10.0-051000rc5-lowlatency 
root=/dev/mapper/ELLOE000-rootfs ro acpi_osi=! "acpi_osi=Windows 2016" quiet 
splash vt.handoff=7
  SourcePackage: qemu
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/23/2019
  dmi.bios.release: 1.12
  dmi.bios.vendor: LENOVO
  dmi.bios.version: R11ET32W (1.12 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20NECTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.12
  dmi.modalias: 
dmi:bvnLENOVO:bvrR11ET32W(1.12):bd12/23/2019:br1.12:efr1.12:svnLENOVO:pn20NECTO1WW:pvrThinkPadE495:rvnLENOVO:rn20NECTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad E495
  dmi.product.name: 20NECTO1WW
  dmi.product.sku: LENOVO_MT_20NE_BU_Think_FM_ThinkPad E495
  dmi.product.version: ThinkPad E495
  dmi.sys.vendor: LENOVO

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https://bugs.launchpad.net/bugs/1906479

Title:
  qemu:handle_cpu_signal received signal outside vCPU context

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