From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasikanth babu Subject: Re: IPV6: kernel panic in net filter and ipv6 path while doing interface up and down continuously with ipv6 traffic Date: Mon, 23 Dec 2013 14:48:16 +0530 Message-ID: References: <866aa834-3ee6-4e54-9233-ce43db37c326@email.android.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org, coreteam@netfilter.org To: Shawn Wilson Return-path: Received: from mail-ob0-f181.google.com ([209.85.214.181]:40436 "EHLO mail-ob0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756426Ab3LWJSR (ORCPT ); Mon, 23 Dec 2013 04:18:17 -0500 In-Reply-To: <866aa834-3ee6-4e54-9233-ce43db37c326@email.android.com> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Panic 1 While sending IPv6 user traffic did interface down and up. Panic 2 While testing IPv6 ND did interface down and up. Observed these panics 2/3 times. On Mon, Dec 23, 2013 at 2:34 PM, Shawn Wilson wrote: > How do you replicate it? > > Sasikanth babu wrote: >>Hi, >> >>Any suggestions/idea about this panic. is it related IPv6 or netfilter. >> >>I looked out for the patches and verified the kernel commit messages I >>could not find anything related to this panic. >> >>Any suggestions? >> >>Thanks in advance >> >>Kernel : 2.6.34.10 >>arch: Mips >> >> >>[ 7078.035218] Oops[#1]: >>[ 7078.037492] Cpu 0 >>[ 7078.039416] $ 0 : 0000000000000000 000000000000000c >>a8000000e2f3f000 0000000100000060 >>[ 7078.047482] $ 4 : 00000000ffffff00 0000000000000000 >>0000000000000020 0000000000000160 >>[ 7078.055546] $ 8 : 0000000000000100 000000000000000c >>0000000060300000 ffffffff80000000 >>[ 7078.063611] $12 : 0000000000000018 ffffffff8055d950 >>ffffffff806c2318 0000000000000000 >>[ 7078.071677] $16 : a800000195fda500 a80000043fe44600 >>0000000000000000 0000000000000001 >>[ 7078.079742] $20 : 0000000000000000 a800000195fda100 >>0000000000000001 ffffffff81221f70 >>[ 7078.087807] $24 : 2000000000000000 ffffffff8077fb38 >>[ 7078.095872] $28 : a8000003bd5bc000 a8000003bd5bf8a0 >>a8000003bd5bf9d0 ffffffff8077f9a0 >>[ 7078.103937] Hi : 0000000000000000 >>[ 7078.107511] Lo : 0000000000000420 >>[ 7078.111095] epc : ffffffff8077fa28 ip6_pkt_drop+0x110/0x1e0 >>[ 7078.116841] Not tainted >>[ 7078.119636] ra : ffffffff8077f9a0 ip6_pkt_drop+0x88/0x1e0 >>[ 7078.125295] Status: 10108ce3 KX SX UX KERNEL EXL IE >>[ 7078.130605] Cause : 00800008 >>[ 7078.133485] BadVA : 0000000100000068 >>[ 7078.137060] PrId : 000d910a (Cavium Octeon II) >>[ 7078.141590] Modules linked in: ip_tables iptable_filter >>iptable_mangle ip6_tables ip6table_filter ip6table_mangle mloopback >>bonding bfpga octeon_pow_ether nfnetlink nfnetlink_queue xt_DSCP >>xt_NFQUEUE [last unloaded: scsi_wait_scan] >>[ 7078.162303] Process wamgr (pid: 1087, threadinfo=a8000003bd5bc000, >>task=a80000043edc5400, tls=000000555d1192b0) >>[ 7078.172391] Stack : 0000000000000004 a800000195fda500 >>a800000195f83000 a800000195fda500 >>[ 7078.180270] a80000043fda2900 ffffffff806fda9c >>ffffffff81116f18 a800000188cfe010 >>[ 7078.188335] 0000000000000001 a80000018aa9e414 >>a80000043fda2940 a8000003bd5bf960 >>[ 7078.196399] a800000195f83000 ffffffffc00add20 >>0020000000000000 a80000018aa9e400 >>[ 7078.204463] a800000195fda100 a80000018aa9e400 >>a800000195fda100 ffffffffc00ae788 >>[ 7078.212527] ffffffffc00ae8b8 a8000003bd5bf9d0 >>a800000195fda100 ffffffffc00a43bc >>[ 7078.220592] 0000000000000000 0000000000000000 >>a80000018aa9e414 0000000000000000 >>[ 7078.228656] 0000000000000000 0000000000000000 >>0000000000000000 0000000000000000 >>[ 7078.236720] 0000000000000000 0000000000000000 >>0000000000000000 a8000003bd5bf930 >>[ 7078.244784] ffffffff803b0c68 00000000ffffff01 >>a80000018aa9e414 0000000000000020 >>[ 7078.252848] ... >>[ 7078.255502] Call Trace: >>[ 7078.257951] [] ip6_pkt_drop+0x110/0x1e0 >>[ 7078.263353] [] nf_reinject+0x9c/0x180 >>[ 7078.268585] [] nfqnl_recv_verdict+0x2a8/0x368 >>[nfnetlink_queue] >>[ 7078.276074] [] nfnetlink_rcv_msg+0x21c/0x320 >>[nfnetlink] >>[ 7078.282950] >>[ 7078.284440] >>[ 7078.284442] Code: 000528f8 7ca2120a 0083182d 00c3302d >>00c2302d dcc20000 64420001 081dfe53 >>[ 7078.295797] Disabling lock debugging due to kernel taint >>[ 7078.301148] Kernel panic - not syncing: Fatal exception in interrupt >>[ 7088.034346] INFO: RCU detected CPU 0 stall (t=2500 jiffies) >>[ 7118.034349] INFO: RCU detected CPU 0 stall (t=10000 jiffies) >>[ 7148.034347] INFO: RCU detected CPU 0 stall (t=17500 jiffies) >>[ 7178.034346] INFO: RCU detected CPU 0 stall (t=25000 jiffies) >>-- >>To unsubscribe from this list: send the line "unsubscribe netfilter" in >>the body of a message to majordomo@vger.kernel.org >>More majordomo info at http://vger.kernel.org/majordomo-info.html >