Re: Random system freezes with Linux 6.12 + Xenomai 3.3.1 on Intel Ultra 5 125H

Thank you. I will test according to your suggestions and collect the logs.

> From: "=E5=88=98=E6=9D=A8"<[email protected]>
> Date:=C2=A0 Wed, Jul 29, 2026, 19:22
> Subject:=C2=A0 Re: Random system freezes with Linux 6.12 + Xenomai 3.3.1 =
on Intel Ultra 5 125H
> To: "Jan Kiszka"<[email protected]>
> Cc: "xenomai"<[email protected]>, "=E5=AE=8B=E5=81=A5=E7=8E=AE"<son=
[email protected]>, "=E6=9D=8E=E5=B0=8F=E5=AE=81"<lixiaoning@sinsegy=
e.com.cn>, "=E9=A9=AC=E5=90=9B"<[email protected]>
> Thank you. I will test according to your suggestions and collect the logs=
.
> From: "Jan Kiszka"<[email protected]>
> Date:=C2=A0 Wed, Jul 29, 2026, 17:26
> Subject:=C2=A0 Re: Random system freezes with Linux 6.12 + Xenomai 3.3.1 =
on Intel Ultra 5 125H
> To: "=E5=88=98=E6=9D=A8"<[email protected]>
> Cc: "xenomai"<[email protected]>, "=E5=AE=8B=E5=81=A5=E7=8E=AE"<son=
[email protected]>, "=E6=9D=8E=E5=B0=8F=E5=AE=81"<lixiaoning@sinsegy=
e.com.cn>, "=E9=A9=AC=E5=90=9B"<[email protected]>
> On 29.07.26 10:04, =E5=88=98=E6=9D=A8 wrote:
> > Thank you for your reply. Regarding kernel ftrace, do you have any sugg=
estions on which parts I should mainly trace? If I enable tracing for every=
thing, the output file will become extremely large
> >=C2=A0
>=C2=A0
>=C2=A0
> Baseline trace:
> - cobalt*
> - sched*
> - irq and irq_vectors
> - signal*
>=C2=A0
>=C2=A0
> You could use continuous tracing into RAM (without writing it to disk)
> and trigger the stop rcu_stall_warning:
>=C2=A0
>=C2=A0
> echo traceoff > /sys/kernel/tracing/events/rcu/rcu_stall_warning/trigger
> (untested, might be wrong)
>=C2=A0
>=C2=A0
> If the trace is then actually stopped after the error, you can safe it
> from /sys/kernel/tracing/trace, or via trace-cmd.
>=C2=A0
>=C2=A0
> If the events are still too many, drop irqs first.
>=C2=A0
>=C2=A0
> Jan
>=C2=A0
>=C2=A0
> --=C2=A0
> Siemens AG, Foundational Technologies
> Linux Expert Center