Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161217AbVKRU5n (ORCPT ); Fri, 18 Nov 2005 15:57:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161219AbVKRU5n (ORCPT ); Fri, 18 Nov 2005 15:57:43 -0500 Received: from web34113.mail.mud.yahoo.com ([66.163.178.111]:38781 "HELO web34113.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S1161217AbVKRU5m (ORCPT ); Fri, 18 Nov 2005 15:57:42 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=4oRaszlqLLy//C6R7PybFGcZ/ry43RFnwZy1pYnFYXq+oNMeDrqtab1Iuj76kl24FJ9+6FgvhIWOmqwAI2ZQapF0Wvlty4UpD10+rtCWSJeTCU7E6pIYacr+J6Lo0Sn4BnlxVlrAbvWrYtA6JOkVeBuLoV0jn0cUkC6CcbCo14I= ; Message-ID: <20051118205741.97473.qmail@web34113.mail.mud.yahoo.com> Date: Fri, 18 Nov 2005 12:57:41 -0800 (PST) From: Kenny Simpson Subject: re: 2.6.15-rc1-mm2 - strace unhappy To: linux kernel 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 Content-Length: 7015 Lines: 113 strace causes the kernel to croak: cd /tmp strace ls *BOOM* Nov 18 15:44:31 tux6127 kernel: [ 221.522945] c0126b5b Nov 18 15:44:31 tux6127 kernel: [ 221.523069] PREEMPT SMP DEBUG_PAGEALLOC Nov 18 15:44:31 tux6127 kernel: [ 221.523268] Modules linked in: autofs4 parport_pc parport floppy rtc i2c_i801 i2c_core generic usbhid uhci_hcd tg3 snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc ehci_hcd usbcore mousedev e1000 bcm5700 unix Nov 18 15:44:31 tux6127 kernel: [ 221.524392] CPU: 0 Nov 18 15:44:31 tux6127 kernel: [ 221.524393] EIP: 0060:[] Not tainted VLI Nov 18 15:44:31 tux6127 kernel: [ 221.524394] EFLAGS: 00010202 (2.6.15-rc1-mm2) Nov 18 15:44:31 tux6127 kernel: [ 221.524525] EIP is at ptrace_check_attach+0x24/0xc4 Nov 18 15:44:31 tux6127 kernel: [ 221.524570] eax: 00000001 ebx: 00000000 ecx: 00000001 edx: c0561e00 Nov 18 15:44:31 tux6127 kernel: [ 221.524617] esi: fffffffd edi: 00000000 ebp: f4edbf90 esp: f4edbf80 Nov 18 15:44:31 tux6127 kernel: [ 221.524663] ds: 007b es: 007b ss: 0068 Nov 18 15:44:31 tux6127 kernel: [ 221.524707] Process strace (pid: 3895, threadinfo=f4edb000 task=f6a6d9d0) Nov 18 15:44:31 tux6127 kernel: [ 221.524753] Stack: c01273cc 00000000 00000000 00000018 f4edbfb4 c0127430 00000000 00000000 Nov 18 15:44:31 tux6127 kernel: [ 221.525159] 00005007 00000000 00000018 00000000 b7fbc138 f4edb000 c0102e6f 00000018 Nov 18 15:44:31 tux6127 kernel: [ 221.525564] 00000f38 00000001 00000000 b7fbc138 bfce55d8 0000001a 0000007b c010007b Nov 18 15:44:31 tux6127 kernel: [ 221.525970] Call Trace: Nov 18 15:44:31 tux6127 kernel: [ 221.526065] [] show_stack+0x80/0x96 Nov 18 15:44:31 tux6127 kernel: [ 221.526195] [] show_registers+0x161/0x1c5 Nov 18 15:44:31 tux6127 kernel: [ 221.526324] [] die+0x12e/0x1b6 Nov 18 15:44:31 tux6127 kernel: [ 221.526451] [] do_page_fault+0x300/0x608 Nov 18 15:44:31 tux6127 kernel: [ 221.526583] [] error_code+0x4f/0x54 Nov 18 15:44:31 tux6127 kernel: [ 221.526712] [] sys_ptrace+0x52/0xd2 Nov 18 15:44:31 tux6127 kernel: [ 221.526840] [] sysenter_past_esp+0x54/0x75 Nov 18 15:44:31 tux6127 kernel: [ 221.526969] --------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.527021] | preempt count: 00000002 ] Nov 18 15:44:31 tux6127 kernel: [ 221.527072] | 2 level deep critical section nesting: Nov 18 15:44:31 tux6127 kernel: [ 221.527125] ---------------------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.527178] .. [] .... _read_lock+0x18/0x8e Nov 18 15:44:31 tux6127 kernel: [ 221.527270] .....[] .. ( <= ptrace_check_attach+0x24/0xc4) Nov 18 15:44:31 tux6127 kernel: [ 221.527363] .. [] .... _spin_lock_irqsave+0x1b/0x9d Nov 18 15:44:31 tux6127 kernel: [ 221.527456] .....[] .. ( <= die+0x44/0x1b6) Nov 18 15:44:31 tux6127 kernel: [ 221.527548] Nov 18 15:44:31 tux6127 kernel: [ 221.527597] Code: 43 7c e9 69 ff ff ff 55 b8 00 1e 56 c0 89 e5 83 ec 10 89 5d f4 89 75 f8 89 7d fc 8b 5d 08 8b 7d 0c be fd ff ff ff e8 79 46 30 00 <8b> 53 10 f6 c2 01 74 11 8b 8b c4 00 00 00 b8 00 f0 ff ff 21 e0 Nov 18 15:44:31 tux6127 kernel: [ 221.530117] <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43 Nov 18 15:44:31 tux6127 kernel: [ 221.530254] in_atomic():1, irqs_disabled():0 Nov 18 15:44:31 tux6127 kernel: [ 221.530312] [] dump_stack+0x1e/0x22 Nov 18 15:44:31 tux6127 kernel: [ 221.530454] [] __might_sleep+0xa7/0xaf Nov 18 15:44:31 tux6127 kernel: [ 221.530602] [] profile_task_exit+0x22/0x60 Nov 18 15:44:31 tux6127 kernel: [ 221.530752] [] do_exit+0x1d/0x4aa Nov 18 15:44:31 tux6127 kernel: [ 221.530896] [] do_divide_error+0x0/0xc3 Nov 18 15:44:31 tux6127 kernel: [ 221.531040] [] do_page_fault+0x300/0x608 Nov 18 15:44:31 tux6127 kernel: [ 221.531178] [] error_code+0x4f/0x54 Nov 18 15:44:31 tux6127 kernel: [ 221.531307] [] sys_ptrace+0x52/0xd2 Nov 18 15:44:31 tux6127 kernel: [ 221.531435] [] sysenter_past_esp+0x54/0x75 Nov 18 15:44:31 tux6127 kernel: [ 221.531575] --------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.531629] | preempt count: 00000001 ] Nov 18 15:44:31 tux6127 kernel: [ 221.531698] | 1 level deep critical section nesting: Nov 18 15:44:31 tux6127 kernel: [ 221.531760] ---------------------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.531818] .. [] .... _read_lock+0x18/0x8e Nov 18 15:44:31 tux6127 kernel: [ 221.531916] .....[] .. ( <= ptrace_check_attach+0x24/0xc4) Nov 18 15:44:31 tux6127 kernel: [ 221.532016] Nov 18 15:44:31 tux6127 kernel: [ 221.532130] --------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.532184] | preempt count: 00000001 ] Nov 18 15:44:31 tux6127 kernel: [ 221.532239] | 1 level deep critical section nesting: Nov 18 15:44:31 tux6127 kernel: [ 221.532295] ---------------------------------------- Nov 18 15:44:31 tux6127 kernel: [ 221.532351] .. [] .... _read_lock+0x18/0x8e Nov 18 15:44:31 tux6127 kernel: [ 221.532450] .....[] .. ( <= ptrace_check_attach+0x24/0xc4) Nov 18 15:44:31 tux6127 kernel: [ 221.532557] Nov 18 15:44:41 tux6127 kernel: [ 231.047393] Nov 18 15:44:41 tux6127 kernel: [ 231.047446] Pid: 3895, comm: strace Nov 18 15:44:41 tux6127 kernel: [ 231.047501] EIP: 0060:[] CPU: 0 Nov 18 15:44:41 tux6127 kernel: [ 231.047559] EIP is at _write_lock_irqsave+0x78/0x9d Nov 18 15:44:41 tux6127 kernel: [ 231.047614] EFLAGS: 00000202 Not tainted (2.6.15-rc1-mm2) Nov 18 15:44:41 tux6127 kernel: [ 231.047670] EAX: 00000001 EBX: 00000286 ECX: c0561e00 EDX: 00000001 Nov 18 15:44:41 tux6127 kernel: [ 231.047727] ESI: c0561e00 EDI: f4edb000 EBP: f4edbe30 DS: 007b ES: 007b Nov 18 15:44:41 tux6127 kernel: [ 231.047823] CR0: 8005003b CR2: 00000010 CR3: 005aa000 CR4: 00000640 Nov 18 15:44:41 tux6127 kernel: [ 231.047881] --------------------------- Nov 18 15:44:41 tux6127 kernel: [ 231.047935] | preempt count: 00010001 ] Nov 18 15:44:41 tux6127 kernel: [ 231.047988] | 1 level deep critical section nesting: Nov 18 15:44:41 tux6127 kernel: [ 231.048041] ---------------------------------------- Nov 18 15:44:41 tux6127 kernel: [ 231.048096] .. [] .... _read_lock+0x18/0x8e Nov 18 15:44:41 tux6127 kernel: [ 231.048191] .....[] .. ( <= ptrace_check_attach+0x24/0xc4) Nov 18 15:44:41 tux6127 kernel: [ 231.048289] -Kenny __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com - 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/