Re: [BUG] tracing: Too many tries to read user space

[Steven Rostedt]

On Mon, 13 Jul 2026 12:16:59 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > I also kept this around in case it was needed. Looks like it may be needed.  
> 
> Hmm, it's not clear whether this is the result of a scheduling storm
> caused by kernel threads. But maybe worth to try.

I don't see what else it could be.

> 
> Jeongho, can you try this patch? Or/and you maybe also try using
> mlock the LMKD process memory which is passed to trace_marker.

Yes, Jeongho, can you please test this patch and also see if mlocking the
memory used by trace_marker would help too?

-- Steve