Re: [tip:locking/futex] [futex] 56180dd20c: BUG:sleeping_function_called_from_invalid_context_at_kernel/nsproxy.c

[Thomas Gleixner <tglx@linutronix.de>]

On Wed, Aug 06 2025 at 16:35, Oliver Sang wrote:

> On Wed, Aug 06, 2025 at 10:19:36AM +0200, Thomas Gleixner wrote:
>> Oliver!
>> 
>> On Wed, Aug 06 2025 at 16:01, Oliver Sang wrote:
>> > On Thu, Jul 31, 2025 at 04:03:01PM +0200, Thomas Gleixner wrote:
>> >> On Thu, Jul 31 2025 at 14:34, Thomas Gleixner wrote:
>> >> > Either you make the timeout longer or try the following on the kernel
>> >> > command line instead of 'ftrace_dump_on_cpu':
>> >> 
>> >>   instead of 'ftrace_dump_ooops'
>> >
>> > sorry for late, I just took several-day off.
>> 
>> I hope you had a good time!
>> 
>> > attached dmesg FYI.
>> 
>> Thanks for doing this. Now the buffer is too short and as nothing stops
>> the tracer the interesting stuff goes out of sight.
>> 
>> Can you please apply the patch below and try again?
>
> got it!
>
> just want to confirm, still use below params or need some modification?
>
> trace_event=preemptirq:preempt_disable,preemptirq:preempt_enable ftrace_dump_on_oops=orig_cpu trace_buf_size=100K panic_on_warn=1

Those should be good. Let's see.