linux-kernel - Re: possible trace_printk() bug in v5.19-rc1

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Date:   Fri, 24 Jun 2022 19:08:19 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Chuck Lever III <chuck.lever@...cle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: possible trace_printk() bug in v5.19-rc1

On Mon, 20 Jun 2022 00:57:23 +0000
Chuck Lever III <chuck.lever@...cle.com> wrote:

> > Yes, I'm sure. I just checked out v5.18 and built it with the
> > same CONFIG. trace_printk() on that kernel generates function
> > names as expected.  
> 
> I moved my development work to another system, and bisected. The
> result:
> 
> 91fb02f31505 ("module: Move kallsyms support into a separate file")

Hmm, right below that it says:

   "No functional change."

I'm guessing it may not be as reliably reproducible.

And is this an issue with trace-cmd output or reading the trace file?

-- Steve