Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265153AbTIEPyL (ORCPT ); Fri, 5 Sep 2003 11:54:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265179AbTIEPyL (ORCPT ); Fri, 5 Sep 2003 11:54:11 -0400 Received: from mail-2.tiscali.it ([195.130.225.148]:31123 "EHLO mail-2.tiscali.it") by vger.kernel.org with ESMTP id S265153AbTIEPyG (ORCPT ); Fri, 5 Sep 2003 11:54:06 -0400 From: Lorenzo Allegrucci Organization: -ENOENT To: Linux Kernel Subject: [OOPS] 2.6.0-test4 CONFIG_PREEMPT=y Date: Fri, 5 Sep 2003 17:57:34 +0000 User-Agent: KMail/1.5.1 MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200309051757.13205.l.allegrucci@tiscali.it> 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: 2530 Lines: 60 I can get a quite reproducible oops under -test4 with CONFIG_PREEMPT enabled: Sep 5 17:35:46 odyssey kernel: kernel BUG at kernel/exit.c:729! Sep 5 17:35:46 odyssey kernel: invalid operand: 0000 [#1] Sep 5 17:35:46 odyssey kernel: CPU: 0 Sep 5 17:35:46 odyssey kernel: EIP: 0060:[do_exit+526/1024] Not tainted Sep 5 17:35:46 odyssey kernel: EFLAGS: 00010296 Sep 5 17:35:46 odyssey kernel: EIP is at do_exit+0x20e/0x400 Sep 5 17:35:46 odyssey kernel: eax: 00000004 ebx: dffeeaa0 ecx: dc0c4040 edx: dc230000 Sep 5 17:35:46 odyssey kernel: esi: 00000000 edi: dcac3380 ebp: dc231ed0 esp: dc231eb4 Sep 5 17:35:46 odyssey kernel: ds: 007b es: 007b ss: 0068 Sep 5 17:35:46 odyssey kernel: Process bomb.sh (pid: 14761, threadinfo=dc230000 task=dcac3380) Sep 5 17:35:46 odyssey kernel: Stack: dcac3380 dc681c80 dc231f24 dcac3924 dc230000 00000009 00000009 dc231ee4 Sep 5 17:35:46 odyssey kernel: c011e09a 00000009 dc230000 dcac3380 dc231f0c c0126c39 00000009 dcac3924 Sep 5 17:35:46 odyssey kernel: dc231f24 dc230000 dcac3924 dc231fc4 dcac3924 dc230000 dc231fb0 c01090d6 Sep 5 17:35:46 odyssey kernel: Call Trace: Sep 5 17:35:46 odyssey kernel: [do_group_exit+58/176] do_group_exit+0x3a/0xb0 Sep 5 17:35:46 odyssey kernel: [get_signal_to_deliver+585/848] get_signal_to_deliver+0x249/0x350 Sep 5 17:35:46 odyssey kernel: [do_signal+102/224] do_signal+0x66/0xe0 Sep 5 17:35:46 odyssey kernel: [do_fork+77/368] do_fork+0x4d/0x170 Sep 5 17:35:46 odyssey kernel: [sys_rt_sigprocmask+254/368] sys_rt_sigprocmask+0xfe/0x170 Sep 5 17:35:46 odyssey kernel: [sys_fork+56/64] sys_fork+0x38/0x40 Sep 5 17:35:46 odyssey kernel: [do_notify_resume+59/64] do_notify_resume+0x3b/0x40 Sep 5 17:35:46 odyssey kernel: [work_notifysig+19/21] work_notifysig+0x13/0x15 Sep 5 17:35:46 odyssey kernel: Sep 5 17:35:46 odyssey kernel: Code: 0f 0b d9 02 ec 51 2f c0 eb fe 8b 77 10 85 f6 75 ea 89 3c 24 Sep 5 17:35:46 odyssey kernel: <6>note: bomb.sh[14761] exited with preempt_count 1 ------------------------------- bomb.sh is the old subtle bash script: #!/bin/sh b(){ b|b&};b running on a user console with ulimit -u = 512 Playing around with many "killall -9 bomb.sh&", after a while there is a chance to get the oops above. - 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/