From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755710Ab3ARVHe (ORCPT ); Fri, 18 Jan 2013 16:07:34 -0500 Received: from mail-pb0-f41.google.com ([209.85.160.41]:37666 "EHLO mail-pb0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752728Ab3ARVHc (ORCPT ); Fri, 18 Jan 2013 16:07:32 -0500 Date: Fri, 18 Jan 2013 13:07:28 -0800 From: Greg Kroah-Hartman To: Dave Jones , Linux Kernel , Alan Cox , Jiri Slaby Subject: Re: WARNING: at drivers/tty/tty_buffer.c:476 (tty is NULL) Message-ID: <20130118210728.GA16742@kroah.com> References: <20130102153744.GC25940@redhat.com> <20130118205358.GA6854@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130118205358.GA6854@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 18, 2013 at 03:53:58PM -0500, Dave Jones wrote: > On Wed, Jan 02, 2013 at 10:37:44AM -0500, Dave Jones wrote: > > This happened a few times to my test boxes I left running over the holidays.. > > > > [ 8419.797533] ------------[ cut here ]------------ > > [ 8419.798341] WARNING: at drivers/tty/tty_buffer.c:476 flush_to_ldisc+0x1de/0x1f0() > > [ 8419.800313] Hardware name: GA-MA78GM-S2H > > [ 8419.800887] tty is NULL > > [ 8419.801857] Modules linked in: fuse binfmt_misc bnep rfcomm hidp scsi_transport_iscsi can_raw can_bcm ipt_ULOG nfnetlink l2tp_ppp l2tp_core can caif_socket rose nfc caif ipx phonet irda p8023 p8022 netrom rds ax25 atm af_rxrpc crc_ccitt appletalk psnap llc2 af_key decnet llc pppoe pppox ppp_generic x25 slhc lockd sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack ip6table_filter ip6_tables btusb bluetooth snd_hda_codec_realtek usb_debug rfkill snd_hda_intel snd_hda_codec microcode snd_pcm serio_raw snd_page_alloc pcspkr edac_core snd_timer snd soundcore r8169 mii vhost_net tun macvtap macvlan kvm_amd kvm > > [ 8419.811268] Pid: 4980, comm: kworker/0:1 Not tainted 3.8.0-rc1+ #43 > > [ 8419.812159] Call Trace: > > [ 8419.812586] [] warn_slowpath_common+0x7f/0xc0 > > [ 8419.813504] [] warn_slowpath_fmt+0x46/0x50 > > [ 8419.814353] [] ? ___ratelimit+0x9a/0x120 > > [ 8419.815146] [] flush_to_ldisc+0x1de/0x1f0 > > [ 8419.815982] [] process_one_work+0x207/0x750 > > [ 8419.816844] [] ? process_one_work+0x197/0x750 > > [ 8419.817731] [] ? get_lock_stats+0x22/0x70 > > [ 8419.818605] [] ? tty_insert_flip_string_fixed_flag+0x110/0x110 > > [ 8419.819725] [] worker_thread+0x156/0x440 > > [ 8419.820575] [] ? rescuer_thread+0x240/0x240 > > [ 8419.821463] [] kthread+0xed/0x100 > > [ 8419.822174] [] ? put_lock_stats.isra.23+0xe/0x40 > > [ 8419.823125] [] ? kthread_create_on_node+0x160/0x160 > > [ 8419.824114] [] ret_from_fork+0x7c/0xb0 > > [ 8419.824943] [] ? kthread_create_on_node+0x160/0x160 > > [ 8419.845167] ---[ end trace 0c3565bace6c005f ]--- > > > Still seeing this in rc4 Jiri, was there anything on the mailing list that I missed that should have resolved this issue? I thought it was being worked on, but I can't seem to find any resolution at the moment. thanks, greg k-h