Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 14 Dec 2000 06:40:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 14 Dec 2000 06:40:29 -0500 Received: from vasquez.zip.com.au ([203.12.97.41]:46095 "EHLO vasquez.zip.com.au") by vger.kernel.org with ESMTP id ; Thu, 14 Dec 2000 06:40:24 -0500 From: Chris Rankin Message-Id: <200012141109.eBEB9oO07065@wellhouse.underworld> Subject: Re: /dev/cpu/*/(cpuid, msr) unhappy as modules - OOPS! To: hpa@zytor.com (H. Peter Anvin) Date: Thu, 14 Dec 2000 22:09:49 +1100 (EST) Cc: linux-kernel@vger.kernel.org In-Reply-To: <1193.195.67.189.85.976703444.squirrel@www.zytor.com> from "H. Peter Anvin" at Dec 13, 2000 02:30:44 AM X-Mailer: ELM [version 2.5 PL3] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org OK, I've just tried repeating this experiment on 2.2.18 (no devfs) and it oopsed this time, so there's obviously something else going on here. $ ksymoops -m /boot/System.map-2.2.18 < oops2.txt ksymoops 2.3.4 on i586 2.2.18. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.2.18/ (default) -m /boot/System.map-2.2.18 (specified) Warning (compare_maps): ksyms_base symbol module_list_R__ver_module_list not found in System.map. Ignoring ksyms_base entry Dec 14 22:03:53 wellhouse kernel: Unable to handle kernel paging request at virtual address c888a27c Dec 14 22:03:53 wellhouse kernel: current->tss.cr3 = 03003000, %%cr3 = 03003000 Dec 14 22:03:53 wellhouse kernel: *pde = 013f2063 Dec 14 22:03:53 wellhouse kernel: Oops: 0000 Dec 14 22:03:53 wellhouse kernel: CPU: 0 Dec 14 22:03:53 wellhouse kernel: EIP: 0010:[chrdev_open+56/88] Dec 14 22:03:53 wellhouse kernel: EFLAGS: 00010286 Dec 14 22:03:53 wellhouse kernel: eax: c888a260 ebx: ffffffed ecx: 00000000 edx: 000000cb Dec 14 22:03:53 wellhouse kernel: esi: c25ba8c0 edi: c18c2288 ebp: c3c50ca0 esp: c0ef9f4c Dec 14 22:03:53 wellhouse kernel: ds: 0018 es: 0018 ss: 0018 Dec 14 22:03:53 wellhouse kernel: Process cat (pid: 7021, process nr: 61, stackpage=c0ef9000) Dec 14 22:03:53 wellhouse kernel: Stack: c18c2288 00008000 00000003 400e88b3 bffffa6c c012497c c18c2288 c25ba8c0 Dec 14 22:03:53 wellhouse kernel: 00000000 c01248d5 00000003 c398a000 400e88b3 bffffa6c 00000000 c16b427c Dec 14 22:03:53 wellhouse kernel: 00000400 c0124b6f c398a000 00008000 00000000 c0124b56 c0ef8000 40013ed0 Dec 14 22:03:53 wellhouse kernel: Call Trace: [filp_open+184/264] [filp_open+17/264] [sys_open+63/160] [sys_open+38/160] [error_code+45/64] [system_call+52/64] Dec 14 22:03:53 wellhouse kernel: Code: 8b 40 1c 31 db 85 c0 74 0c 83 c4 f8 56 57 ff d0 89 c3 83 c4 Using defaults from ksymoops -t elf32-i386 -a i386 Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: 8b 40 1c mov 0x1c(%eax),%eax Code; 00000003 Before first symbol 3: 31 db xor %ebx,%ebx Code; 00000005 Before first symbol 5: 85 c0 test %eax,%eax Code; 00000007 Before first symbol 7: 74 0c je 15 <_EIP+0x15> 00000015 Before first symbol Code; 00000009 Before first symbol 9: 83 c4 f8 add $0xfffffff8,%esp Code; 0000000c Before first symbol c: 56 push %esi Code; 0000000d Before first symbol d: 57 push %edi Code; 0000000e Before first symbol e: ff d0 call *%eax Code; 00000010 Before first symbol 10: 89 c3 mov %eax,%ebx Code; 00000012 Before first symbol 12: 83 c4 00 add $0x0,%esp 1 warning issued. Results may not be reliable. Chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/