From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934819Ab3BTTgL (ORCPT ); Wed, 20 Feb 2013 14:36:11 -0500 Received: from hydra.sisk.pl ([212.160.235.94]:40393 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934027Ab3BTTgJ (ORCPT ); Wed, 20 Feb 2013 14:36:09 -0500 From: "Rafael J. Wysocki" To: Dave Jones Cc: x86@kernel.org, Linux Kernel Subject: Re: odd GPF bug on resume from hibernate. Date: Wed, 20 Feb 2013 20:42:46 +0100 Message-ID: <11452407.3H88HXekKp@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.8.0; KDE/4.9.5; x86_64; ; ) In-Reply-To: <20130220192826.GA3137@redhat.com> References: <20130220192826.GA3137@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, February 20, 2013 02:28:26 PM Dave Jones wrote: > We had two users report hitting a bug that looks like this.. > > general protection fault: 8800 [#1] SMP > PM: Restoring platform NVS memory > Modules linked in: fuse ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq coretemp kvm_intel snd_seq_device kvm arc4 microcode snd_pcm rtl8192se serio_raw rtlwifi mac80211 i2c_i801 intel_ips jme lpc_ich mfd_core cfg80211 mii jmb38x_ms snd_page_alloc memstick snd_timer rfkill snd mei soundcore uinput hid_logitech_dj i915 crc32c_intel i2c_algo_bit drm_kms_helper sdhci_pci drm sdhci mmc_core i2c_core wmi video > CPU 2 > Pid: 0, comm: swapper/2 Not tainted 3.7.5-201.fc18.x86_64 #1 System76, Inc. Lemur UltraThin /Lemur UltraThin > RIP: 0010:[] [] read_apic_id+0x5/0x30 > RSP: 0018:ffff880131ea3ee8 EFLAGS: 00010046 > RAX: 0000000000000020 RBX: ffff880131ea2010 RCX: 0000000000000000 > RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001 > RBP: ffff880131ea3ef8 R08: ffff880131ea2000 R09: ffff880131ea3ed0 > R10: ffff880131ea3ed4 R11: 0000000000000000 R12: 0000000000000020 > R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > FS: 0000000000000000(0000) GS:ffff880137d00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 00007f2f06237750 CR3: 0000000001c0b000 CR4: 00000000000007e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process swapper/2 (pid: 0, threadinfo ffff880131ea2000, task ffff880131e9ae40) > Stack: > ffff880131ea3fd8 ffffffff81cdc5d0 ffff880131ea3f28 ffffffff8101d508 > ffff880131ea3f18 b9aafd27b651a356 0000000000000000 0000000000000000 > ffff880131ea3f48 ffffffff816248dd 0000000000000000 e0e608b14cc4dccd > Call Trace: > [] cpu_idle+0x108/0x120 > [] start_secondary+0x23e/0x240 > Code: 25 40 3b 01 00 3c 03 76 07 0f 09 66 66 90 66 90 f4 eb fd 41 bc ff ff ff ff eb b1 0f 1f 00 0f 1f 84 00 00 00 00 00 48 8b 05 41 31 00 55 bf 20 00 00 00 48 89 e5 ff 90 20 01 00 00 89 c7 48 8b > RIP [] read_apic_id+0x5/0x30 > RSP > > That Code: line translates to.. > > 0: ca 00 55 lret $0x5500 > > At this point I don't know where to begin debugging.. > > Is that 8800 error code a clue ? Does CPU offline/online work on this machine? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.