From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751133AbaLQS6m (ORCPT ); Wed, 17 Dec 2014 13:58:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45896 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750951AbaLQS6k (ORCPT ); Wed, 17 Dec 2014 13:58:40 -0500 Date: Wed, 17 Dec 2014 13:57:55 -0500 From: Dave Jones To: Linus Torvalds , Chris Mason , Mike Galbraith , Ingo Molnar , Peter Zijlstra , =?iso-8859-1?Q?D=E2niel?= Fraga , Sasha Levin , "Paul E. McKenney" , Linux Kernel Mailing List , Suresh Siddha , Oleg Nesterov , Peter Anvin Subject: Re: frequent lockups in 3.18rc4 Message-ID: <20141217185755.GA22839@redhat.com> Mail-Followup-To: Dave Jones , Linus Torvalds , Chris Mason , Mike Galbraith , Ingo Molnar , Peter Zijlstra , =?iso-8859-1?Q?D=E2niel?= Fraga , Sasha Levin , "Paul E. McKenney" , Linux Kernel Mailing List , Suresh Siddha , Oleg Nesterov , Peter Anvin References: <20141211145408.GB16800@redhat.com> <20141212185454.GB4716@redhat.com> <20141213165915.GA12756@redhat.com> <20141213223616.GA22559@redhat.com> <20141214234654.GA396@redhat.com> <20141217182241.GA4821@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141217182241.GA4821@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 17, 2014 at 01:22:41PM -0500, Dave Jones wrote: > I'm going to try your two patches on top of .18, with the same kernel > config, and see where that takes us. > Hopefully to happier places. Not so much. Died very quickly. [ 270.822490] BUG: unable to handle kernel paging request at 000000000249db90 [ 270.822573] IP: [<000000336ef04084>] 0x336ef04084 [ 270.822602] PGD 20e5ee067 PUD 20e5ef067 PMD 23126d067 PTE 94ec80 [ 270.822633] Oops: 0006 [#1] SMP [ 270.822652] Modules linked in: hidp llc2 af_key fuse bnep can_raw scsi_transport_iscsi nfnetlink can_bcm rfcomm nfc caif_socket caif af_802154 ieee802154 phonet af_rxrpc bluetooth can pppoe pppox ppp_generic slhc irda crc_ccitt rds rose sctp libcrc32c x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp hwmon x86_pkg_temp_thermal kvm_intel snd_timer kvm snd crct10dif_pclmul crc32c_intel ghash_clmulni_intel microcode pcspkr serio_raw usb_debug shpchp e1000e soundcore ptp pps_core nfsd auth_rpcgss oid_registry nfs_acl lockd grace sunrpc [ 270.822979] CPU: 3 PID: 9856 Comm: trinity-c93 Not tainted 3.18.0+ #105 [ 270.823042] task: ffff8801a45416d0 ti: ffff88020e72c000 task.ti: ffff88020e72c000 [ 270.823067] RIP: 0033:[<000000336ef04084>] [<000000336ef04084>] 0x336ef04084 [ 270.823096] RSP: 002b:00007fff9c3304c0 EFLAGS: 00010202 [ 270.823117] RAX: 000000336f1b68c0 RBX: 000000000249db90 RCX: 0000000000000000 [ 270.823142] RDX: fffffffffffffffe RSI: 00000000fbad8000 RDI: 00007fff9c3304c0 [ 270.823168] RBP: 000000000249db90 R08: 0000000000000000 R09: 0000000000002680 [ 270.823192] R10: 000000000000001f R11: 0000000000000246 R12: ffffffffffffffff [ 270.823217] R13: 000000000041edb9 R14: 00007fff9c3305f8 R15: 0000000000000001 [ 270.823241] FS: 00007f5fd4acf740(0000) GS:ffff880245400000(0000) knlGS:0000000000000000 [ 270.823268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 270.823288] CR2: 00007f5fd2640113 CR3: 000000020e5ed000 CR4: 00000000001407e0 [ 270.823312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 270.823336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 270.823360] [ 270.823370] RIP [<000000336ef04084>] 0x336ef04084 [ 270.823392] RSP <00007fff9c3304c0> [ 270.824407] CR2: 000000000249db90 [ 270.825443] ---[ end trace d6eb8dccb8df6213 ]--- [ 270.826448] Kernel panic - not syncing: Fatal exception