system lock up with RT kernel on amd64
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-realtime |
New
|
High
|
Unassigned |
Bug Description
Ubuntu Noble, Real Time kernel:
cking@noble-
Linux noble-amd64-efi 6.8.1-1002-realtime #2-Ubuntu SMP PREEMPT_RT Tue May 21 21:13:36 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
How to reproduce issue:
git clone https:/
cd stress-ng
make clean; make -j 8
sudo ./stress-ng --sched fifo --cpu -1 -t 5 --timestamp --tz --syslog --perf --no-rand-seed --times --metrics --status 5
stress-ng: 13:22:12.44 info: [1520] sched: priority not given (or set to -1), defaulting to 49
stress-ng: 13:22:12.44 info: [1520] setting to a 5 secs run per stressor
stress-ng: 13:22:12.47 info: [1520] dispatching hogs: 8 cpu
[ system becomes unresponsive ]
When the system becomes unresponsive one cannot ping the system, change console screens or interact with the console. System seems to be totally unresponsive.
Changed in ubuntu-realtime: | |
importance: | Undecided → High |