Public bug reported: Creating a virtual machine via virt-manager fails with "Device or resource busy"; dmesg shows the following denials:
[24036.571591] audit: type=1400 audit(1737314390.939:177): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/dev/" pid=46489 comm="rpc-libvirtd" [24036.572665] audit: type=1400 audit(1737314390.941:178): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/run/libvirt/qemu/1-nixos.dev/" pid=46489 comm="rpc-libvirtd" [24036.572694] audit: type=1400 audit(1737314390.941:179): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/run/libvirt/qemu/1-nixos.hugepages/" pid=46489 comm="rpc-libvirtd" [24036.572794] audit: type=1400 audit(1737314390.941:180): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/run/libvirt/qemu/1-nixos.mqueue/" pid=46489 comm="rpc-libvirtd" [24036.572822] audit: type=1400 audit(1737314390.941:181): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/run/libvirt/qemu/1-nixos.pts/" pid=46489 comm="rpc-libvirtd" [24036.572851] audit: type=1400 audit(1737314390.941:182): apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/run/libvirt/qemu/1-nixos.shm/" pid=46489 comm="rpc-libvirtd" The symptoms are fairly similar to the following link: https://forums.opensuse.org/t/kvm-cannot-create-virtual-machine-libvirt- error-cannot-delete-directory-run-libvirt-qemu-2-test-shm-device-or- resource-busy/175989 Creating the following file helps: $ cat /etc/apparmor.d/local/usr.sbin.libvirtd umount /dev/, umount /run/libvirt/qemu/*/, ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: libvirt-daemon-system (not installed) ProcVersionSignature: Ubuntu 6.8.0-51.52-generic 6.8.12 Uname: Linux 6.8.0-51-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.1-0ubuntu3.3 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun Jan 19 20:33:56 2025 InstallationDate: Installed on 2019-09-25 (1943 days ago) InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-6.8.0-51-generic root=/dev/mapper/touro-system ro quiet splash vt.handoff=7 SourcePackage: libvirt UpgradeStatus: Upgraded to noble on 2022-06-10 (954 days ago) modified.conffile..etc.libvirt.nwfilter.allow-arp.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-arp.xml'] modified.conffile..etc.libvirt.nwfilter.allow-dhcp-server.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-dhcp-server.xml'] modified.conffile..etc.libvirt.nwfilter.allow-dhcp.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-dhcp.xml'] modified.conffile..etc.libvirt.nwfilter.allow-incoming-ipv4.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-incoming-ipv4.xml'] modified.conffile..etc.libvirt.nwfilter.allow-ipv4.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/allow-ipv4.xml'] modified.conffile..etc.libvirt.nwfilter.clean-traffic-gateway.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/clean-traffic-gateway.xml'] modified.conffile..etc.libvirt.nwfilter.clean-traffic.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/clean-traffic.xml'] modified.conffile..etc.libvirt.nwfilter.no-arp-ip-spoofing.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-ip-spoofing.xml'] modified.conffile..etc.libvirt.nwfilter.no-arp-mac-spoofing.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-mac-spoofing.xml'] modified.conffile..etc.libvirt.nwfilter.no-arp-spoofing.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-arp-spoofing.xml'] modified.conffile..etc.libvirt.nwfilter.no-ip-multicast.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-ip-multicast.xml'] modified.conffile..etc.libvirt.nwfilter.no-ip-spoofing.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-ip-spoofing.xml'] modified.conffile..etc.libvirt.nwfilter.no-mac-broadcast.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-mac-broadcast.xml'] modified.conffile..etc.libvirt.nwfilter.no-mac-spoofing.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-mac-spoofing.xml'] modified.conffile..etc.libvirt.nwfilter.no-other-l2-traffic.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-other-l2-traffic.xml'] modified.conffile..etc.libvirt.nwfilter.no-other-rarp-traffic.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/no-other-rarp-traffic.xml'] modified.conffile..etc.libvirt.nwfilter.qemu-announce-self-rarp.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/qemu-announce-self-rarp.xml'] modified.conffile..etc.libvirt.nwfilter.qemu-announce-self.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/nwfilter/qemu-announce-self.xml'] modified.conffile..etc.libvirt.qemu.conf: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu.conf'] modified.conffile..etc.libvirt.qemu.networks.default.xml: [inaccessible: [Errno 13] Permission denied: '/etc/libvirt/qemu/networks/default.xml'] ** Affects: libvirt (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug noble -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2095268 Title: apparmor="DENIED" operation="umount" class="mount" profile="libvirtd" name="/dev/" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/2095268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
