Public bug reported:

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.

** Affects: qemu (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug arm64 hirsute uec-images

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https://bugs.launchpad.net/bugs/1921664

Title:
  Recent update broke qemu-system-riscv64

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