Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262015AbUAUGjM (ORCPT ); Wed, 21 Jan 2004 01:39:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261929AbUAUGjM (ORCPT ); Wed, 21 Jan 2004 01:39:12 -0500 Received: from h80ad25e2.async.vt.edu ([128.173.37.226]:2688 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S261928AbUAUGjB (ORCPT ); Wed, 21 Jan 2004 01:39:01 -0500 Message-Id: <200401210638.i0L6cpeU003057@turing-police.cc.vt.edu> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4+dev To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-net@vger.kernel.org Subject: 2.6.1-mm5 - oops during network initialization In-Reply-To: Message from Andrew Morton of "Tue, 20 Jan 2004 00:05:35 PST." <20040120000535.7fb8e683.akpm@osdl.org> References: <20040120000535.7fb8e683.akpm@osdl.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1486477894P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 21 Jan 2004 01:38:50 -0500 From: Valdis Kletnieks Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3594 Lines: 112 --==_Exmh_1486477894P Content-Type: text/plain; charset="us-ascii" Content-Id: <3040.1074667119.1@turing-police.cc.vt.edu> (linux-net people, please cc: on replies, am only on lkml) Under 2.6.1-mm4, at boot I'd get the following: Jan 20 10:00:46 turing-police kernel: Initializing IPsec netlink socket Jan 20 10:00:46 turing-police kernel: NET: Registered protocol family 1 Jan 20 10:00:46 turing-police kernel: NET: Registered protocol family 10 Jan 20 10:00:46 turing-police kernel: IPv6 over IPv4 tunneling driver Jan 20 10:00:46 turing-police kernel: NET: Registered protocol family 17 Jan 20 10:00:46 turing-police kernel: NET: Registered protocol family 15 Jan 20 10:00:46 turing-police kernel: RAMDISK: Compressed image found at block 0 and the initrd would kick off and we'd be happy. Under 2.6.1-mm5, I get this: (hand-copied.. NET: Registered protocol family 10 Unable to handle kernel NULL pointer dereference at virtual address 00000068 printing eip: c01186f9 *pde = 00000000 Oops: 0000 [#1] PREEMPT CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 0010217 EIP is at do_page_fault+0x53/0x4b2 eax: cfe84000 ebx: cfe86000 ecx: 0000007b edx: 00000000 esi: 00000000 edi: 00000000 ebp: cfe84048 esp: cfe8405c ds: 007b es: 007b ss: 0068 process ksoftirqd/0 (pid:2, threadinfo=cfe82000 task=cff81310 stack: 00000000 00000068 00000000 00000000 00000000 00030001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 call trace: (I had to stick a 'for (;;);' into the code at this point to keep it from scrolling off the screen - was do_page_fault and 2 other routines in a loop over and over again). So it's choking somewhere in IPv6 init. Only change I can spot in -mm5 in that area is ipv6-sysctl-oops-fix.patch but I'm not seeing how that one can *cause* this oops. For the record, built *without* regparm-3, with the Fedora gcc-3.3.2-5 compiler. IPv6-related .config: CONFIG_IPV6=y CONFIG_IPV6_PRIVACY=y CONFIG_INET6_AH=y CONFIG_INET6_ESP=y CONFIG_INET6_IPCOMP=y # CONFIG_IPV6_TUNNEL is not set # CONFIG_DECNET is not set # CONFIG_BRIDGE is not set CONFIG_NETFILTER=y # CONFIG_NETFILTER_DEBUG is not set # # IPv6: Netfilter Configuration # # CONFIG_IP6_NF_QUEUE is not set CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_LIMIT=m CONFIG_IP6_NF_MATCH_MAC=m CONFIG_IP6_NF_MATCH_RT=m CONFIG_IP6_NF_MATCH_OPTS=m CONFIG_IP6_NF_MATCH_FRAG=m CONFIG_IP6_NF_MATCH_HL=m CONFIG_IP6_NF_MATCH_MULTIPORT=m CONFIG_IP6_NF_MATCH_OWNER=m CONFIG_IP6_NF_MATCH_MARK=m CONFIG_IP6_NF_MATCH_IPV6HEADER=m CONFIG_IP6_NF_MATCH_AHESP=m CONFIG_IP6_NF_MATCH_LENGTH=m CONFIG_IP6_NF_MATCH_EUI64=m CONFIG_IP6_NF_FILTER=m CONFIG_IP6_NF_TARGET_LOG=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_TARGET_MARK=m CONFIG_XFRM=y CONFIG_XFRM_USER=y # # SCTP Configuration (EXPERIMENTAL) # CONFIG_IPV6_SCTP__=y I'll play binary-search on the IPv6 config options, see if one of them is involved, but that will have to wait for morning.... --==_Exmh_1486477894P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFADh56cC3lWbTT17ARAhLxAJ43BcaA/2gQutk6opzQMHphQU7BwQCg27oj bXNZMn58dIIcc4Bf51KtZB4= =6ZbG -----END PGP SIGNATURE----- --==_Exmh_1486477894P-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/