From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Marcin_Miros=C5=82aw?= Subject: Re: [xtables-addons] Oops in SYSRQ, BUG: unable to handle kernel paging request at ffffffffa01a90e0 Date: Fri, 20 Jan 2012 19:59:02 +0100 Message-ID: References: <4F199ADB.5000204@mejor.pl> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mejor.pl; s=cokolwiek; h=Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date:Content-Transfer-Encoding:Content-Type:MIME-Version; bh=aUS9bz1YnqvCZvd6lM9kbKY0MX5c/rAVOQ1lVN6hSEE=; b=lMTrb61ZhPRg4AY8hj4QODhnnu6XU/dUTrutGmuJhgLjaeD8a5XqbJojSzd1o1EcKB3pad+B2CnHhJKS2aSPkHFLMQR28m0aCw2r+nL84A9QXubB/ar8QyTPqj1zkI3B; In-Reply-To: Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="windows-1252"; format="flowed" To: Jan Engelhardt Cc: netfilter@vger.kernel.org W dniu 2012-01-20 18:14, Jan Engelhardt napisa=C5=82(a): > You have a crappy module (indicated by the "C") loaded, and since=20 > it's > zram, I don't know what effects that could have w.r.t. memory=20 > corruption. > Is this reproducible without zram? Hi Jan, without zram/zcache oops still appears, new log: 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.235485] BUG:=20 unable to handle kernel paging request at ffffffffa01d80e 0 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.237586] IP:=20 [] xt_find_target+0xa1/0x120 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.238616] PGD=20 1328067 PUD 132e063 PMD 1e29a063 PTE 0 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.240035] Oops:=20 0000 [#1] SMP 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.241398] CPU 0 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.241737] Modules=20 linked in: sit tunnel4 xt_TCPMSS ipt_REJECT xt_multipo rt xt_set xt_TARPIT ip_set_hash_ip ip_set_hash_net sha1_generic=20 compat_xtables nf_conntrack_ipv6 nf_defrag_ipv6 ip6t_rt xt_st ate xt_NOTRACK ip_set iptable_raw ip6table_mangle iptable_mangle=20 iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ ipv4 ip6table_filter ip6_tables iptable_filter ip_tables xfs exportfs=20 dm_mod ipv6 8139too evdev sr_mod cdrom 8139cp [last unl oaded: xt_SYSRQ] 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] Pid:=20 4895, comm: iptables Not tainted 3.1.8-hardened #6 Xen HV M domU 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] RIP:=20 0010:[] [] xt_find_t arget+0xa1/0x120 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] RSP:=20 0018:ffff880017f53c18 EFLAGS: 00010282 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] RAX:=20 ffffffffa01d80e0 RBX: ffff880017e59382 RCX: ffff880017e59 380 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] RDX:=20 0000000000000000 RSI: ffff880017e59388 RDI: ffff88001dcdf e96 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] RBP:=20 ffff880017f53c68 R08: 0000000000000010 R09: ffff880017e59 758 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] R10:=20 0000000000000000 R11: 0000000000000010 R12: ffff88001dcdf e80 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] R13:=20 ffff88001ea75910 R14: 0000000000000001 R15: 00000000fffff ffe 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] FS: =20 000002c51ebe1700(0000) GS:ffff88001fc00000(0000) knlGS:00 00000000000000 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] CS: =20 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] CR2:=20 ffffffffa01d80e0 CR3: 0000000001320000 CR4: 0000000000000 6b0 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] DR0:=20 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] DR3:=20 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] Process=20 iptables (pid: 4895, threadinfo ffff88001ebf6270, task ffff88001ebf5e80= ) 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] Stack: 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] =20 ffff880017f53c28 02a7b27e0ae1476c 00000000000000e0 ffff88001ea758e0 2012-01-20T18:54:48.808195+01:00 meteor kernel: [ 115.243436] =20 ffff880017e59260 0000000000000002 ffff880017e59382 0000000000000001 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 0000000000000001 ffff88001d68c600 ffff880017f53c98 ffffffff812aa379 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] Call=20 Trace: 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] xt_request_find_target+0x29/0x80 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] translate_table+0x389/0x660 [ip_tables] 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] do_ipt_set_ctl+0x1f5/0x2a0 [ip_tables] 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] nf_sockopt+0x66/0xc0 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] nf_setsockopt+0x1c/0x30 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] ip_setsockopt+0x94/0xb0 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] raw_setsockopt+0x25/0x50 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] sock_common_setsockopt+0x1c/0x30 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] sys_setsockopt+0x87/0xf0 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] =20 [] system_call_fastpath+0x18/0x1d 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] Code: 4d= =20 8b 24 24 4d 39 e5 74 71 49 8d 7c 24 10 48 89 de e8 d4 5c f2 ff 85 c0 75= =20 e6 45 38 74 24 2d 75 d9 49 8b 44 24 58 48 85 c0 74 1e 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] RIP =20 [] xt_find_target+0xa1/0x120 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] RSP=20 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] CR2:=20 ffffffffa01d80e0 2012-01-20T18:54:48.818199+01:00 meteor kernel: [ 115.243436] ---[ end= =20 trace cfa32e0ddddcd297 ]---