Comment 0 for bug 1921664

I regularly run a RISC-V (RV64GC) QEMU VM, but an update a few days ago broke it. Now when I launch it, it hits an assertion:

OpenSBI v0.6
   ____ _____ ____ _____
  / __ \ / ____| _ \_ _|
 | | | |_ __ ___ _ __ | (___ | |_) || |
 | | | | '_ \ / _ \ '_ \ \___ \| _ < | |
 | |__| | |_) | __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

...
Found /boot/extlinux/extlinux.conf
Retrieving file: /boot/extlinux/extlinux.conf
618 bytes read in 2 ms (301.8 KiB/s)
RISC-V Qemu Boot Options
1: Linux kernel-5.5.0-dirty
2: Linux kernel-5.5.0-dirty (recovery mode)
Enter choice: 1: Linux kernel-5.5.0-dirty
Retrieving file: /boot/initrd.img-5.5.0-dirty
qemu-system-riscv64: ../../block/aio_task.c:64: aio_task_pool_wait_one: Assertion `qemu_coroutine_self() == pool->main_co' failed.
./run.sh: line 31: 1604 Aborted (core dumped) qemu-system-riscv64 -machine virt -nographic -smp 8 -m 8G -bios fw_payload.bin -device virtio-blk-devi
ce,drive=hd0 -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0 -drive file=riscv64-UbuntuFocal-qemu.qcow2,format=qcow2,id=hd0 -devi
ce virtio-net-device,netdev=usernet -netdev user,id=usernet,$ports

Interestingly this doesn't happen on the AMD64 version of Ubuntu 21.04 (fully updated).

Think you have everything already, but just in case:

$ lsb_release -rd
Description: Ubuntu Hirsute Hippo (development branch)
Release: 21.04

$ uname -a
Linux minimacvm 5.11.0-11-generic #12-Ubuntu SMP Mon Mar 1 19:27:36 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
(note this is a VM running on macOS/M1)

$ apt-cache policy qemu
qemu:
  Installed: 1:5.2+dfsg-9ubuntu1
  Candidate: 1:5.2+dfsg-9ubuntu1
  Version table:
 *** 1:5.2+dfsg-9ubuntu1 500
        500 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: qemu 1:5.2+dfsg-9ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
Uname: Linux 5.11.0-11-generic aarch64
ApportVersion: 2.20.11-0ubuntu61
Architecture: arm64
CasperMD5CheckResult: unknown
CurrentDmesg:
 Error: command ['pkexec', 'dmesg'] failed with exit code 127: polkit-agent-helper-1: error response to PolicyKit daemon: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: No session for cookie
 Error executing command as another user: Not authorized

 This incident has been reported.
Date: Mon Mar 29 02:33:25 2021
Dependencies:

KvmCmdLine: COMMAND STAT EUID RUID PID PPID %CPU COMMAND
Lspci-vt:
 -[0000:00]-+-00.0 Apple Inc. Device f020
            +-01.0 Red Hat, Inc. Virtio network device
            +-05.0 Red Hat, Inc. Virtio console
            +-06.0 Red Hat, Inc. Virtio block device
            \-07.0 Red Hat, Inc. Virtio RNG
Lsusb: Error: command ['lsusb'] failed with exit code 1:
Lsusb-t:

Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1:
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: console=hvc0 root=/dev/vda
SourcePackage: qemu
UpgradeStatus: Upgraded to hirsute on 2020-12-30 (88 days ago)
acpidump:
 Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: polkit-agent-helper-1: error response to PolicyKit daemon: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: No session for cookie
 Error executing command as another user: Not authorized

 This incident has been reported.