Ubuntu 23.04 (Lunar Lobster) has reached end of life, so this bug will not be fixed for that specific release.
** Changed in: apparmor (Ubuntu Lunar) Status: New => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2024599 Title: linux-image-5.15.0-1032-realtime locks up under scheduler test load Status in apparmor package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Status in apparmor source package in Jammy: New Status in linux source package in Jammy: Incomplete Status in apparmor source package in Kinetic: New Status in linux source package in Kinetic: New Status in apparmor source package in Lunar: Won't Fix Status in linux source package in Lunar: Won't Fix Status in apparmor source package in Mantic: New Status in linux source package in Mantic: Incomplete Bug description: lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.2 LTS Release: 22.04 Codename: jammy uname -a Linux jammie-amd64-efi 5.15.0-1032-realtime #35-Ubuntu SMP PREEMPT_RT Tue Jan 24 11:45:03 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux free total used free shared buff/cache available Mem: 4013888 200984 3439012 1204 373892 3744628 Swap: 4014076 0 4014076 Running in a kvm-qemu, 8 cpus, cpu Intel Core Processor (Skylake, IBRS): how to reproduce issue: git clone https://github.com/ColinIanKing/stress-ng sudo apt-get update sudo apt-get build-dep stress-ng sudo apt-get install libeigen3-dev libmpfr-dev libkmod-dev libxxhash-dev libglvnd-dev libgbm-dev cd stress-ng make clean make -j 8 sudo ./stress-ng --class scheduler --all 1 -v --vmstat 1 -t 30m ..wait for all the stressors to get invoked, system becomes unresponsive, can't ^C stress-ng, can't swap consoles on the VM, appears to be hard locked. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/2024599/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp