Activity log for bug #2024599

Date Who What changed Old value New value Message
2023-06-21 16:45:46 Colin Ian King bug added bug
2023-06-21 16:45:51 Colin Ian King linux (Ubuntu): importance Undecided Low
2023-06-21 16:46:00 Colin Ian King nominated for series Ubuntu Jammy
2023-06-21 16:46:00 Colin Ian King bug task added linux (Ubuntu Jammy)
2023-06-21 16:46:16 Colin Ian King summary linux-image-5.15.0-1032-realtime locksup under scheduler test load linux-image-5.15.0-1032-realtime locks up under scheduler test load
2023-06-21 16:46:36 Colin Ian King 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. cd stress-ng 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.
2023-06-21 17:00:06 Ubuntu Kernel Bot linux (Ubuntu): status New Incomplete
2023-06-21 17:00:06 Ubuntu Kernel Bot linux (Ubuntu Jammy): status New Incomplete
2023-06-23 11:30:05 Colin Ian King attachment added Screenshot from 2023-06-23 12-28-42.png https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2024599/+attachment/5681654/+files/Screenshot%20from%202023-06-23%2012-28-42.png
2023-06-27 07:40:06 Colin Ian King bug task added apparmor (Ubuntu)
2023-06-27 08:41:13 Colin Ian King nominated for series Ubuntu Lunar
2023-06-27 08:41:13 Colin Ian King bug task added apparmor (Ubuntu Lunar)
2023-06-27 08:41:13 Colin Ian King bug task added linux (Ubuntu Lunar)
2023-06-27 08:41:13 Colin Ian King nominated for series Ubuntu Kinetic
2023-06-27 08:41:13 Colin Ian King bug task added apparmor (Ubuntu Kinetic)
2023-06-27 08:41:13 Colin Ian King bug task added linux (Ubuntu Kinetic)
2023-06-27 08:41:13 Colin Ian King nominated for series Ubuntu Mantic
2023-06-27 08:41:13 Colin Ian King bug task added apparmor (Ubuntu Mantic)
2023-06-27 08:41:13 Colin Ian King bug task added linux (Ubuntu Mantic)