From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Cristian_Rodr=EDguez?= Subject: ipv6: BUG: unable to handle kernel paging request at 0000000101bca2be Date: Sat, 28 Jul 2012 13:08:37 -0400 Message-ID: <50141C95.3030602@opensuse.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from mail-gh0-f174.google.com ([209.85.160.174]:58777 "EHLO mail-gh0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752863Ab2G1RJI (ORCPT ); Sat, 28 Jul 2012 13:09:08 -0400 Received: by ghrr11 with SMTP id r11so4026630ghr.19 for ; Sat, 28 Jul 2012 10:09:07 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Hi: Since late Jun, early Jul, both using stable 3.4 and now 3.5 I am getting the following crash in the IPv6 code. <1>[116145.466708] BUG: unable to handle kernel paging request at 0000000101bca2be <1>[116145.467797] IP: [] dst_release+0x1b/0x80 <4>[116145.468645] PGD 0 <4>[116145.468964] Oops: 0002 [#1] SMP <4>[116145.469479] CPU 6 <4>[116145.469783] Modules linked in: bluetooth act_police cls_basic cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq bridge stp xt_statistic xt_CT xt_realm iptable_raw xt_LOG xt_connlimit xt_addrtype xt_comment xt_recent ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_CLUSTERIP ipt_ah nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip ip6_queue nf_nat_pptp nf_nat_proto_gre xt_set ip_set nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda nf_conntrack_tftp nf_conntrack_sane nf_conntrack_sip nf_conntrack_proto_udplite nf_conntrack_proto_sctp ts_kmp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_amanda nf_conntrack_netlink xt_time nf_conntrack_netbios_ns nf_conntrack_broadcast xt_TCPMSS nf_conntrack_irc nf_conntrack_h323 xt_sctp xt_policy ip6t_REJECT nf_conntrack_ipv6 ip6table_raw ip6table_mangle nf_conntrack_ftp xt_TPROXY nf_tproxy_core nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark xt_CLASSIFY xt_AUDIT xt_tcpudp xt_state ip6table_filter iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 ip6_tables nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables cachefiles fscache af_packet edd eeepc_wmi asus_wmi sparse_keymap rfkill pci_hotplug acpi_cpufreq mperf coretemp wmi iTCO_wdt crc32c_intel e1000e mei(C) joydev pcspkr ghash_clmulni_intel iTCO_vendor_support i2c_i801 xhci_hcd aesni_intel cryptd aes_x86_64 microcode autofs4 usbhid i915 drm_kms_helper drm ehci_hcd i2c_algo_bit usbcore usb_common video button scsi_dh_hp_sw scsi_dh_alua scsi_dh_emc scsi_dh_rdac scsi_dh fan processor thermal thermal_sys megaraid_sas <4>[116145.495352] <4>[116145.495579] Pid: 0, comm: swapper/6 Tainted: G C 3.4.6-1-default #1 System manufacturer System Product Name/P8B WS <4>[116145.497313] RIP: 0010:[] [] dst_release+0x1b/0x80 <4>[116145.498527] RSP: 0018:ffff88041f383ce0 EFLAGS: 00010202 <4>[116145.499330] RAX: ffff8803c199e568 RBX: 0000000101bca23e RCX: 0000000000000000 <4>[116145.500407] RDX: 0000000101ba584e RSI: ffff8803c199e568 RDI: 0000000101bca23e <4>[116145.501484] RBP: 00000000ffffffff R08: 0000000000000025 R09: ffff88041f383cb0 <4>[116145.502560] R10: ffffffffa03f82e0 R11: ffff8803bf369886 R12: ffff8803bf369886 <4>[116145.503636] R13: 0000000000000000 R14: 0000000000000500 R15: ffff8803ff0de0c0 <4>[116145.504714] FS: 0000000000000000(0000) GS:ffff88041f380000(0000) knlGS:0000000000000000 <4>[116145.505935] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b <4>[116145.506802] CR2: 0000000101bca2be CR3: 0000000001a0b000 CR4: 00000000000407e0 <4>[116145.507878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 <4>[116145.508955] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 <4>[116145.510033] Process swapper/6 (pid: 0, threadinfo ffff88040a482000, task ffff88040a4800c0) <4>[116145.511278] Stack: <4>[116145.511582] 0000000002000000 00000000000249f0 ffff8803bf369896 ffffffff814f088a <4>[116145.512754] ffff8804095fc000 ffff8803bf369896 ffff8803bf369886 ffffffff81d5fb80 <4>[116145.513926] 0000000000000500 ffff8804095fc000 000000000000003a ffffffff814f0dca <4>[116145.515100] Call Trace: <4>[116145.515482] [] rt6_do_pmtu_disc+0x27a/0x330 <4>[116145.516369] [] rt6_pmtu_discovery+0x3a/0x70 <4>[116145.517252] [] icmpv6_rcv+0x3c3/0x4a0 <4>[116145.563503] [] ip6_input_finish+0x157/0x380 <4>[116145.609526] [] __netif_receive_skb+0x493/0x510 <4>[116145.655203] [] process_backlog+0xa1/0x170 <4>[116145.701481] [] net_rx_action+0x121/0x220 <4>[116145.748076] [] __do_softirq+0x9d/0x1f0 <4>[116145.774285] [] call_softirq+0x1c/0x30 <4>[116145.800009] [] do_softirq+0x65/0xa0 <4>[116145.845329] [] irq_exit+0x8e/0xb0 <4>[116145.890313] [] call_function_single_interrupt+0x6a/0x70 <4>[116145.935988] [] intel_idle+0xe9/0x160 <4>[116145.981862] [] cpuidle_idle_call+0x9e/0x280 <4>[116146.026965] [] cpu_idle+0x7f/0xd0 <4>[116146.069060] Code: ff 86 80 00 00 00 48 89 77 58 c3 0f 1f 44 00 00 48 83 ec 18 48 85 ff 48 89 5c 24 08 48 89 6c 24 10 48 89 fb 74 16 bd ff ff ff ff 0f c1 af 80 00 00 00 83 ed 01 78 41 85 ed 74 14 48 8b 5c 24 <1>[116146.129910] RIP [] dst_release+0x1b/0x80 <4>[116146.172426] RSP <4>[116146.213632] CR2: 0000000101bca2be It apparently appeared in either 3.4.3 or 3.4.4 and persist in 3.5.. Will be cool if someone can take a look...