Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932703AbWKEPwJ (ORCPT ); Sun, 5 Nov 2006 10:52:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932699AbWKEPwJ (ORCPT ); Sun, 5 Nov 2006 10:52:09 -0500 Received: from smtpa3.netcabo.pt ([212.113.174.18]:29012 "EHLO exch01smtp02.hdi.tvcabo") by vger.kernel.org with ESMTP id S932703AbWKEPwH (ORCPT ); Sun, 5 Nov 2006 10:52:07 -0500 Message-ID: <454E0976.8030303@rncbc.org> Date: Sun, 05 Nov 2006 15:55:34 +0000 From: Rui Nuno Capela User-Agent: Thunderbird 1.5.0.7 (X11/20060911) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: Mike Galbraith , Karsten Wiese , Ingo Molnar Subject: Re: realtime-preempt patch-2.6.18-rt7 oops References: <42997.194.65.103.1.1162464204.squirrel@www.rncbc.org> <200611031230.24983.fzu@wemgehoertderstaat.de> <454BC8D1.1020001@rncbc.org> <454BF608.20803@rncbc.org> <454C714B.8030403@rncbc.org> In-Reply-To: <454C714B.8030403@rncbc.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 05 Nov 2006 15:52:05.0809 (UTC) FILETIME=[57C6F210:01C700F2] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2869 Lines: 72 After a suggestion from Mike Galbraith, I now turned to pure and original 2.6.18-rt7 and configured with: CONFIG_FRAME_POINTER=y CONFIG_UNWIND_INFO=y CONFIG_STACK_UNWIND=y Nasty things still do happen, as the following capture can tell as evidence: ... Oops: 0002 [#1] [] show_trace_log_lvl+0x185/0x1a0 [] show_trace+0x12/0x20 [] dump_stack+0x19/0x20 [] __schedule+0x63f/0xea0 [] schedule+0x30/0x100 PREEMPT SMP Modules linked in: appletalk ax25 ipx p8023 ipv6 snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event edd snd_seq button battery ac w83627hf hwmon_vid hwmon i2c_isa loop dm_mod usbhid wacom intel_rng shpchp pci_hotplug snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 ohci1394 snd_i2c ieee1394 snd_mpu401_uart i8xx_tco ide_cd snd_cs46xx gameport snd_rawmidi snd_seq_device snd_intel8x0 cdrom uhci_hcd snd_ac97_codec snd_ac97_bus snd_pcm sk98lin i2c_i801 snd_timer snd i2c_core soundcore snd_page_alloc ehci_hcd usbcore intel_agp agpgart ext3 jbd reiserfs fan thermal processor piix ide_disk ide_core CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010046 (2.6.18-rt7.0-smp #1) EIP is at enqueue_task+0x2b/0x90 eax: c188f708 ebx: c188f28c ecx: 00000000 edx: dfd490d8 esi: dfd490b0 edi: c188edc0 ebp: c5729d74 esp: c5729d6c ds: 007b es: 007b ss: 0068 preempt: 00000004 Process sh (pid: 1693, ti=c5728000 task=dfc8d4b0 task.ti=c5728000) Stack: c188edc0 dfd490b0 c5729d84 c011f551 00000001 dfd490b0 c5729de8 c01218c1 00000000 c5729da8 c0168fd3 00000000 0000001f c5728000 00000001 00000000 00000004 c5729dcc c0120550 c180edc0 00000001 c19e8bb0 c5729dcc c02fb4c8 Call Trace: [] __activate_task+0x21/0x40 [] try_to_wake_up+0x321/0x450 [] wake_up_process_mutex+0x19/0x20 [] wakeup_next_waiter+0xd7/0x1b0 [] rt_spin_lock_slowunlock+0x4c/0x70 [] rt_spin_unlock+0x38/0x40 [] kprobe_flush_task+0x3a/0x50 [] __schedule+0xb0a/0xea0 [] schedule+0x30/0x100 [] do_wait+0x72c/0xbf0 [] sys_wait4+0x32/0x40 [] sys_waitpid+0x27/0x30 [] sysenter_past_esp+0x56/0x79 [] 0xb7ef1410 Code: 55 89 e5 56 89 c6 53 89 d3 f6 40 0c 08 74 09 a1 60 60 35 c0 85 c0 75 4b 8b 46 1c 8d 56 28 8d 44 c3 1c 8b 48 04 89 46 28 89 50 04 <89> 11 89 4a 04 8b 46 1c 83 43 04 01 0f ab 43 08 83 7e 1c 63 89 EIP: [] enqueue_task+0x2b/0x90 SS:ESP 0068:c5729d6c <6>note: sh[1693] exited with preempt_count 3 ... Bye. -- rncbc aka Rui Nuno Capela rncbc@rncbc.org - 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/