Re: User Stack Tracer Causes Crash

[Steven Rostedt]

On Wed, 20 Mar 2019 11:15:10 +0800
He Zhe <zhe.he@xxxxxxxxxxxxx> wrote:

> Hi,
> 
> User stack tracer causes crash and hang since the following commit till now(5.1-rc1).
> 
> c3bc8fd637a9 ("tracing: Centralize preemptirq tracepoints and unify their usage")

Can you send me your .config.

-- Steve

> 
> echo 1 > /proc/sys/kernel/stack_tracer_enabled
> echo userstacktrace > /sys/kernel/debug/tracing/trace_options
> echo 1 > /sys/kernel/debug/tracing/events/enable
> dmesg
>