From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932143AbWFHK2o (ORCPT ); Thu, 8 Jun 2006 06:28:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932152AbWFHK2o (ORCPT ); Thu, 8 Jun 2006 06:28:44 -0400 Received: from wr-out-0506.google.com ([64.233.184.233]:8250 "EHLO wr-out-0506.google.com") by vger.kernel.org with ESMTP id S932143AbWFHK2n (ORCPT ); Thu, 8 Jun 2006 06:28:43 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=tWO5l2WFDA5JNzOwqiEMbcxRt7PjVEaoRd2YJMoqzn53fK+9A5/v9LsDq7xxsfwIZBvqopmrFymxYbQB3nb5lAqG2SM86LZaA+fhQkPWqFoPszioFiHLuRqAe6I5lA7mPmnVemJWx0VB0z4HJuKfc4U45zD5oUlSn6mTdsttWz0= Message-ID: <6bffcb0e0606080328n1c58f562td20c1ef2bae76327@mail.gmail.com> Date: Thu, 8 Jun 2006 12:28:42 +0200 From: "Michal Piotrowski" To: "Ingo Molnar" Subject: Re: 2.6.17-rc6-rt1 Cc: linux-kernel@vger.kernel.org In-Reply-To: <20060607211455.GA6132@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060607211455.GA6132@elte.hu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, On 07/06/06, Ingo Molnar wrote: > i have released the 2.6.17-rc6-rt1 tree, which can be downloaded from > the usual place: > > http://redhat.com/~mingo/realtime-preempt/ > BUG at /usr/src/linux-rt/kernel/rtmutex.c:639! ------------[ cut here ]------------ kernel BUG at /usr/src/linux-rt/kernel/rtmutex.c:639! invalid opcode: 0000 [#1] PREEMPT SMP Modules linked in: ipv6 w83627hf hwmon_vid hwmon i2c_isa af_packet ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables p4_clockmod speedstep_lib binfmt_misc thermal processor fan container parport_pc parport nvram evdev sk98lin skge snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss i2c_i801 snd_pcm snd_timer snd soundcore snd_page_alloc intel_agp ide_cd agpgart cdrom rtc unix CPU: 1 EIP: 0060:[] Not tainted VLI EFLAGS: 00010202 (2.6.17-rc6-rt1 #9) EIP is at rt_lock_slowlock+0x99/0x1b2 eax: 00000032 ebx: c60be1a0 ecx: c60be1c4 edx: 00000282 esi: eed13000 edi: f03481c8 ebp: eed13df8 esp: eed13d90 ds: 007b es: 007b ss: 0068 preempt: 00000003 Process bash (pid: 2104, threadinfo=eed13000 task=eea54870 stack_left=3420 worst_left=-1) Stack: c02cddd2 c02d4bb9 0000027f c015e320 c6226070 00000093 0000008c eed13dac eed13dac eed13db4 eed13db4 00000000 0000008c eed13dc4 eed13dc4 eed13dcc eed13dcc 00000000 00000000 11111111 11111111 11111111 11111111 ee516130 Call Trace: [] show_stack_log_lvl+0x85/0x8f (36) [] show_registers+0x166/0x1e2 (60) [] die+0x17f/0x291 (52) [] do_trap+0x89/0xa3 (32) [] do_invalid_op+0x89/0x93 (180) [] error_code+0x4f/0x54 (164) [] rt_lock+0xb/0xd (8) [] kfree+0x30/0x86 (24) [] selinux_task_free_security+0x1a/0x1c (8) [] __put_task_struct+0x8d/0xc2 (12) [] __schedule+0xebf/0xf01 (132) [] preempt_schedule+0x3e/0x5e (16) [] _raw_spin_unlock+0x23/0x25 (8) [] rt_lock_slowlock+0x6f/0x1b2 (100) [] rt_lock+0xb/0xd (8) [] kmem_cache_zalloc+0x4e/0xd9 (28) [] do_mmap_pgoff+0x340/0x5c7 (64) [] sys_mmap2+0x87/0xa4 (36) [] sysenter_past_esp+0x54/0x75 (-4020) --------------------------- | preempt count: 00000003 ] | 3-level deep critical section nesting: ---------------------------------------- .. [] .... __schedule+0x7a/0xf01 .....[] .. ( <= preempt_schedule+0x3e/0x5e) .. [] .... _raw_spin_lock+0x10/0x21 .....[] .. ( <= rt_lock_slowlock+0x24/0x1b2) .. [] .... _raw_spin_lock_irqsave+0x14/0x3b .....[] .. ( <= die+0x4f/0x291) Code: 00 e9 36 01 00 00 be 00 f0 ff ff 21 e6 8b 43 1c 83 e0 fc 3b 06 75 1f 68 7f 02 00 00 68 b9 4b 2d c0 68 d2 dd 2c c0 e8 7d 3f e6 ff <0f> 0b 7f 02 b9 4b 2d c0 83 c4 0c 8b 06 ba 04 00 00 00 87 10 89 EIP: [] rt_lock_slowlock+0x99/0x1b2 SS:ESP 0068:eed13d90 <6>note: bash[2104] exited with preempt_count 2 BUG: soft lockup detected on CPU#1! [] show_trace+0xd/0xf (8) [] dump_stack+0x17/0x19 (12) [] softlockup_tick+0xa2/0xb6 (32) [] run_local_timers+0x12/0x14 (8) [] update_process_times+0x40/0x65 (20) [] handle_update+0x12/0x14 (8) [] smp_apic_timer_interrupt+0x47/0x4f (12) [] apic_timer_interrupt+0x1c/0x24 (64) [] rt_lock_slowlock+0x24/0x1b2 (100) [] rt_lock+0xb/0xd (8) [] kmem_cache_free+0x2e/0x51 (24) [] anon_vma_unlink+0x4f/0x54 (20) [] free_pgtables+0x69/0x123 (36) [] exit_mmap+0x9c/0x123 (48) [] mmput+0x20/0x86 (16) [] exit_mm+0x110/0x118 (20) [] do_exit+0x1e5/0x89f (48) [] die+0x26b/0x291 (52) [] do_trap+0x89/0xa3 (32) [] do_invalid_op+0x89/0x93 (180) [] error_code+0x4f/0x54 (164) [] rt_lock+0xb/0xd (8) [] kfree+0x30/0x86 (24) [] selinux_task_free_security+0x1a/0x1c (8) [] __put_task_struct+0x8d/0xc2 (12) [] __schedule+0xebf/0xf01 (132) [] preempt_schedule+0x3e/0x5e (16) [] _raw_spin_unlock+0x23/0x25 (8) [] rt_lock_slowlock+0x6f/0x1b2 (100) [] rt_lock+0xb/0xd (8) [] kmem_cache_zalloc+0x4e/0xd9 (28) [] do_mmap_pgoff+0x340/0x5c7 (64) [] sys_mmap2+0x87/0xa4 (36) [] sysenter_past_esp+0x54/0x75 (-4020) --------------------------- | preempt count: 00010004 ] | 4-level deep critical section nesting: ---------------------------------------- .. [] .... __schedule+0x7a/0xf01 .....[] .. ( <= preempt_schedule+0x3e/0x5e) .. [] .... _raw_spin_lock+0x10/0x21 .....[] .. ( <= rt_lock_slowlock+0x24/0x1b2) .. [] .... _raw_spin_lock+0x10/0x21 .....[] .. ( <= rt_lock_slowlock+0x24/0x1b2) .. [] .... _raw_spin_lock+0x10/0x21 .....[] .. ( <= softlockup_tick+0x92/0xb6) Here is dmesg http://www.stardust.webpages.pl/files/rt/2.6.17-rc6-rt1/rt-dmesg Here is config http://www.stardust.webpages.pl/files/rt/2.6.17-rc6-rt1/rt-config Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)