Public bug reported:
When booting a riscv64 virtual machine systemd displays
Try contacting this VM's SSH server via 'ssh vsock%4294967295' from
host.
4294967295 is special value VMADDR_CID_ANY (-1U).
When I try to login I see an error:
$ ssh vsock%4294967295
Assertion 'cid != VMADDR_CID_ANY' failed at src/ssh-generator/ssh-proxy.c:24,
function process_vsock_cid(). Aborting.
mm_receive_fd: recvmsg: expected received 1 got 0
proxy dialer did not pass back a connection
Please, ensure that systemd provides a valid CID.
---
ProblemType: Bug
ApportVersion: 2.33.1-0ubuntu4
Architecture: riscv64
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 26.04
InstallationDate: Installed on 2025-03-17 (368 days ago)
InstallationMedia: Ubuntu-Server 25.04 "Plucky Puffin" - Daily riscv64
(20250316)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU Tablet
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Lsusb-t:
/: Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/15p, 480M
|__ Port 002: Dev 002, If 0, Class=Human Interface Device, Driver=usbhid,
480M
/: Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/15p, 5000M
MachineType: QEMU QEMU Virtual Machine
Package: systemd 259.5-0ubuntu1
PackageArchitecture: riscv64
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=vt220
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-7-generic
root=UUID=af336ba2-ea81-4dd5-bada-b3e8e7fb1c58 ro efi=debug earlycon
plymouth.ignore-serial-consoles
ProcVersionSignature: Ubuntu 7.0.0-7.7.1-generic 7.0.0-rc3
Tags: resolute
Uname: Linux 7.0.0-7-generic riscv64
UpgradeStatus: Upgraded to resolute on 2025-12-08 (102 days ago)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 03/17/2026
dmi.bios.release: 0.0
dmi.bios.vendor: Ubuntu distribution of EDK II
dmi.bios.version: 2025.11-3ubuntu6
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: virt
dmi.modalias:
dmi:bvnUbuntudistributionofEDKII:bvr2025.11-3ubuntu6:bd03/17/2026:br0.0:svnQEMU:pnQEMUVirtualMachine:pvrvirt:cvnQEMU:ct1:cvrvirt:sku:pfa:
dmi.product.name: QEMU Virtual Machine
dmi.product.version: virt
dmi.sys.vendor: QEMU
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected resolute
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https://bugs.launchpad.net/bugs/2145027
Title:
Try contacting this VM's SSH server via 'ssh vsock%4294967295' from
host.
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