*** This bug is a duplicate of bug 2127111 ***
https://bugs.launchpad.net/bugs/2127111
This looks like the same root cause, so I'll mark this bug as a
duplicate of the other one.
** This bug has been marked a duplicate of bug 2127111
within qemu-RISCV64: systemd-detect-virt results in "Failed to check for
virtualization: Permission denied"
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https://bugs.launchpad.net/bugs/2127681
Title:
[Ubuntu 25.10 Questing] systemd-detect-virt fails with Permission
denied
Status in apparmor package in Ubuntu:
New
Bug description:
Important: system is a real aarch64 ("Raspberry Pi 5" not
virtualized).
In Ubuntu 25.10 Questing the command "systemd-detect-virt" (and the
commands that uses it like "needrestart") fail because of a permission
denied to open "/sys/firmware/devicetree/base/" due to apparmor:
type=AVC msg=audit(1760147077.071:503): apparmor="DENIED" operation="open"
class="file" profile="systemd-detect-virt"
name="/sys/firmware/devicetree/base/" pid=3644 comm="systemd-detect-"
requested_mask="r" denied_mask="r" fsuid=0 ouid=0FSUID="root" OUID="root"
type=SYSCALL msg=audit(1760147077.071:503): arch=c00000b7 syscall=56
success=no exit=-13 a0=ffffffffffffff9c a1=ffffa1e710b0 a2=84800 a3=0 items=0
ppid=3643 pid=3644 auid=1026 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0
fsgid=0 tty=pts2 ses=5 comm="systemd-detect-"
exe="/usr/bin/systemd-detect-virt" subj=systemd-detect-virt
key=(null)ARCH=aarch64 SYSCALL=openat AUID="fprietog" UID="root" GID="root"
EUID="root" SUID="root" FSUID="root" EGID="root" SGID="root" FSGID="root"
type=PROCTITLE msg=audit(1760147077.071:503):
proctitle=2F7573722F62696E2F73797374656D642D6465746563742D76697274002D2D766D002D2D7175696574
This apparmor profile for "systemd-detect-virt" is new in Ubuntu 25.10
so in previous Ubuntu versions it just works.
Additional info:
----------------
# lsb_release -rd
Description: Ubuntu 25.10
Release: 25.10
# apt-cache policy apparmor
apparmor:
Instalados: 5.0.0~alpha1-0ubuntu8
Candidato: 5.0.0~alpha1-0ubuntu8
Tabla de versión:
*** 5.0.0~alpha1-0ubuntu8 500
500 https://ports.ubuntu.com/ubuntu-ports questing/main arm64 Packages
100 /var/lib/dpkg/status
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