linux-kernel - Re: Warning from kernel/printk/printk.c in linux-next

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Message-ID: <3758.1398916856@turing-police.cc.vt.edu>
Date:	Thu, 01 May 2014 00:00:56 -0400
From:	Valdis.Kletnieks@...edu
To:	Jan Kara <jack@...e.cz>
Cc:	Fabio Estevam <festevam@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Warning from kernel/printk/printk.c in linux-next

On Tue, 29 Apr 2014 23:11:28 +0200, Jan Kara said:


> > 5dc90cb49691755faa ("printk: enable interrupts before calling
> > console_trylock_for_printk()") I get the following warning:
>   Thanks for report. Attached patch should fix the problem I hope.


> Content-Disposition: attachment; filename="0001-printk-Fix-lockdep-instrument
ation-of-console_sem.patch"
>
> From 02e7e0901329f6b9ac3392be41a72b3cee4ac995 Mon Sep 17 00:00:00 2001
> From: Jan Kara <jack@...e.cz>
> Date: Mon, 28 Apr 2014 21:09:26 +0200
> Subject: [PATCH] printk: Fix lockdep instrumentation of console_sem

I was seeing this same exact traceback on next-20140429.  Can confirm
the message is gone after applying this patch.  If you haven't pushed it
upstream, feel free to add:

Tested-By: Valdis Kletnieks <valdis.kletnieks@...edu>

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