From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271845AbTHRPRF (ORCPT ); Mon, 18 Aug 2003 11:17:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271938AbTHRPRF (ORCPT ); Mon, 18 Aug 2003 11:17:05 -0400 Received: from turing-police.cc.vt.edu ([128.173.14.107]:384 "EHLO turing-police.cc.vt.edu") by vger.kernel.org with ESMTP id S271845AbTHRPRA (ORCPT ); Mon, 18 Aug 2003 11:17:00 -0400 Message-Id: <200308181403.h7IE3YnP030524@turing-police.cc.vt.edu> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4+dev To: linux-kernel@vger.kernel.org Subject: 2.6.0-test3-mm2 - failure to panic From: Valdis.Kletnieks@vt.edu Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_-881346320P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 18 Aug 2003 10:03:32 -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_-881346320P Content-Type: text/plain; charset=us-ascii Last night, I left my laptop running all night, and find this on the terminals this morning: Message from syslogd@turing-police at Mon Aug 18 04:01:01 2003 ... turing-police kernel: In idle task - not syncing So I go digging in the syslogs and find: Aug 18 04:00:59 turing-police kernel: Unable to handle kernel paging request at virtual address fff95fb8 Aug 18 04:00:59 turing-police kernel: printing eip: Aug 18 04:00:59 turing-police kernel: c0238135 Aug 18 04:00:59 turing-police kernel: *pde = 00001067 Aug 18 04:00:59 turing-police kernel: *pte = 00000000 Aug 18 04:00:59 turing-police kernel: Oops: 0000 [#1] Aug 18 04:00:59 turing-police kernel: PREEMPT Aug 18 04:00:59 turing-police kernel: CPU: 0 Aug 18 04:01:00 turing-police kernel: EIP: 0060:[acpi_processor_idle+371/485] Tainted: P VLI Aug 18 04:01:00 turing-police kernel: EFLAGS: 00010206 Aug 18 04:01:00 turing-police kernel: EIP is at acpi_processor_idle+0x173/0x1e5 Aug 18 04:01:00 turing-police kernel: eax: 00000a14 ebx: 00000a10 ecx: 00000000 edx: 00000808 Aug 18 04:01:00 turing-police kernel: esi: c138eab0 edi: c138ea00 ebp: fff95fcc esp: c04b5fb4 Aug 18 04:01:00 turing-police kernel: ds: 007b es: 007b ss: 0068 Aug 18 04:01:00 turing-police kernel: Process swapper (pid: 0, threadinfo=c04b4000 task=c04279c0) Aug 18 04:01:00 turing-police kernel: Stack: c0237fc2 c138ea00 c023007b c04b4000 0009b800 c0107000 c04b5fd8 c010ace7 Aug 18 04:01:00 turing-police kernel: 0001080e c04b5ff8 c04b66f0 c04279c0 00000000 c04db0c8 00000005 c04b644a Aug 18 04:01:00 turing-police kernel: c04e4240 0008e000 c010017e Aug 18 04:01:00 turing-police kernel: Call Trace: Aug 18 04:01:00 turing-police kernel: [acpi_processor_idle+0/485] acpi_processor_idle+0x0/0x1e5 Aug 18 04:01:00 turing-police kernel: [acpi_tb_build_common_facs+8/181] acpi_tb_build_common_facs+0x8/0xb5 Aug 18 04:01:00 turing-police kernel: [rest_init+0/96] _stext+0x0/0x60 Aug 18 04:01:00 turing-police kernel: [cpu_idle+47/56] cpu_idle+0x2f/0x38 Aug 18 04:01:01 turing-police kernel: [start_kernel+379/416] start_kernel+0x17b/0x1a0 Aug 18 04:01:01 turing-police kernel: [unknown_bootoption+0/248] unknown_bootoption+0x0/0xf8 Aug 18 04:01:01 turing-police kernel: Aug 18 04:01:01 turing-police kernel: Code: f6 05 71 b7 4f c0 01 75 0f 29 fb 8d 83 ff ff ff 00 25 ff ff ff 00 eb 05 29 fb 8d 43 ff 2b 46 0c 8d 58 fc eb 03 fb eb 6d 8b 4e 1c <8b> 7d ec 85 c9 8b 57 14 74 2f 3b 5e 24 76 2a 8b 46 18 c7 46 30 Aug 18 04:01:01 turing-police kernel: <0>Kernel panic: Attempted to kill the idle task! Aug 18 04:01:01 turing-police kernel: In idle task - not syncing However, we somehow managed to survive the call to panic(): % date Mon Aug 18 09:16:06 EDT 2003 % uptime 09:16:09 up 2 days, 11:09, 4 users, load average: 0.11, 0.23, 0.18 Leaving the two questions: 1) Why did acpi_processor_idle() get a bad pointer? 2) Why wasn't the laptop dead as a doornail this morning? Any ideas? --==_Exmh_-881346320P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQE/QNy0cC3lWbTT17ARAmpsAKCUFs1B3hJ4gzt1UPYEQKSpMg1XcACfSZjh +4esBa0pztDTvOmpKj17Dpk= =9kna -----END PGP SIGNATURE----- --==_Exmh_-881346320P--