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Date: Wed, 8 Nov 2017 11:20:07 -0500
From: Steven Rostedt <rostedt@goodmis.org>
To: Tejun Heo <tj@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Petr Mladek <pmladek@suse.com>, linux-kernel@vger.kernel.org,
        kernel-team@fb.com, Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/2] Subject: printk: Don't trap random context in
 infinite log_buf flush
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On Mon, 6 Nov 2017 16:22:54 -0800
Tejun Heo <tj@kernel.org> wrote:

> Hello,
> 
> On Sat, Nov 04, 2017 at 01:24:08PM +0900, Sergey Senozhatsky wrote:
> > thanks for the patch set. we are currently looking at another approach:
> > lkml.kernel.org/r/20171102134515.6eef16de@gandalf.local.home
> > 
> > would you be interested in taking a look?  
>  
> Hmm... It took some tweaking but the code at the end locks up the
> machine w/ Steven's patch applied and it's not that contrived a case
> (e.g. out of memory messages from packet tx/rx paths while OOM is in
> progress).

Did you apply it with or without the while (READ_ONCE(console_waiter))
fix?

Because that is crucial.

-- Steve