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SubjectRe: User Stack Tracer Causes Crash
On Wed, 20 Mar 2019 11:15:10 +0800
He Zhe <zhe.he@windriver.com> 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
>

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