Ubuntu 23.04 (Lunar Lobster) has reached end of life, so this bug will
not be fixed for that specific release.
** Changed in: linux (Ubuntu Lunar)
Status: New => Won't Fix
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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.
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