From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754158AbWLRPeX (ORCPT ); Mon, 18 Dec 2006 10:34:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754157AbWLRPeW (ORCPT ); Mon, 18 Dec 2006 10:34:22 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:33599 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754158AbWLRPeV (ORCPT ); Mon, 18 Dec 2006 10:34:21 -0500 Date: Mon, 18 Dec 2006 16:31:45 +0100 From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Andrew Morton Subject: bug: crash in adummy_init() Message-ID: <20061218153145.GA17449@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -5.9 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-5.9 required=5.9 tests=ALL_TRUSTED,BAYES_00 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org crash in adummy_init() - allyesconfig bootup. Ingo ----------------> Calling initcall 0xc1eb1f7e: adummy_init+0x0/0xb9() adummy: version 1.0 swapper/1[CPU#0]: BUG in kref_get at lib/kref.c:32 [] show_trace_log_lvl+0x34/0x4a [] show_trace+0x2c/0x2e [] dump_stack+0x2b/0x2d [] __WARN_ON+0x63/0x75 [] kref_get+0x31/0x3c [] kobject_get+0x1c/0x22 [] class_get+0x1d/0x2d [] class_device_add+0x52/0x45c [] class_device_register+0x1d/0x21 [] atm_register_sysfs+0x5a/0xbf [] atm_dev_register+0x1e3/0x245 [] adummy_init+0x72/0xb9 [] init+0x178/0x451 [] kernel_thread_helper+0x7/0x10 ======================= BUG: unable to handle kernel NULL pointer dereference at virtual address 00000064 printing eip: c01e318f *pde = 01fd4001 stopped custom tracer. Oops: 0000 [#1] PREEMPT SMP Modules linked in: CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 (2.6.19.1-rt16 #495) EIP is at create_dir+0x14/0x1e4 eax: f76d1374 ebx: f76d1374 ecx: 00000008 edx: 00000000 esi: f76d1440 edi: fffffffe ebp: f7c1ae98 esp: f7c1ae78 ds: 007b es: 007b ss: 0068 preempt: 00000001 Process swapper (pid: 1, ti=f7c1a000 task=f7c2ec50 task.ti=f7c1a000) Stack: 00000001 c13db5aa c1900e70 00000246 f7c1aea0 f76d1370 f76d1440 fffffffe f7c1aeb8 c01e33da f76d1370 00000000 f76d1374 f7c1aeb0 00000000 f76d1370 f7c1aee0 c04f0611 f76d1370 c19bfb14 c1900e68 c1bfeb14 f7c1aef0 f76d1368 Call Trace: [] show_trace_log_lvl+0x34/0x4a [] show_stack_log_lvl+0xa9/0xb9 [] show_registers+0x1f5/0x290 [] die+0x1de/0x2db [] do_page_fault+0x5a3/0x68c [] error_code+0x39/0x40 [] sysfs_create_dir+0x7b/0x96 [] kobject_add+0xcd/0x187 [] class_device_add+0xb5/0x45c [] class_device_register+0x1d/0x21 [] atm_register_sysfs+0x5a/0xbf [] atm_dev_register+0x1e3/0x245 [] adummy_init+0x72/0xb9 [] init+0x178/0x451 [] kernel_thread_helper+0x7/0x10 ======================= Code: 9f ac 00 00 00 c7 87 a4 00 00 00 fc 2b 82 c1 83 c4 0c 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 e8 73 bc f3 ff 8b 55 0c 8b 5d 10 <8b> 42 64 89 df 05 cc 00 00 00 e8 ab 89 1f 01 31 c0 83 c9 ff f2 EIP: [] create_dir+0x14/0x1e4 SS:ESP 0068:f7c1ae78 <0>Kernel panic - not syncing: Attempted to kill init! [] show_trace_log_lvl+0x34/0x4a [] show_trace+0x2c/0x2e [] dump_stack+0x2b/0x2d [] panic+0x67/0x124 [] do_exit+0xb8/0x9ed [] die+0x2d3/0x2db [] do_page_fault+0x5a3/0x68c [] error_code+0x39/0x40 [] sysfs_create_dir+0x7b/0x96 [] kobject_add+0xcd/0x187 [] class_device_add+0xb5/0x45c [] class_device_register+0x1d/0x21 [] atm_register_sysfs+0x5a/0xbf [] atm_dev_register+0x1e3/0x245 [] adummy_init+0x72/0xb9 [] init+0x178/0x451 [] kernel_thread_helper+0x7/0x10 =======================