From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932164AbWFHKvU (ORCPT ); Thu, 8 Jun 2006 06:51:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932233AbWFHKvU (ORCPT ); Thu, 8 Jun 2006 06:51:20 -0400 Received: from nz-out-0102.google.com ([64.233.162.197]:14554 "EHLO nz-out-0102.google.com") by vger.kernel.org with ESMTP id S932164AbWFHKvS (ORCPT ); Thu, 8 Jun 2006 06:51:18 -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=Sr7eEXX+k/2/184ox5mx3+r1xtia1h0atjGfryR5qUQYprAs582SCyrxruz2CHzVifK5BYGmWRZjlJ5RUVffaI3cIZNlL+tR8gMyxNwsw2OM0IQeNrzoti7gX974VNa5hG7VaHQnl1GohDZSQAihobP8W/wY49W/CG33+77pHd4= Message-ID: <20f65d530606080351o1be35d15qc528f40c84e6279e@mail.gmail.com> Date: Thu, 8 Jun 2006 22:51:17 +1200 From: "Keith Chew" To: "Chuck Ebbert" <76306.1226@compuserve.com> Subject: Re: IRQ sharing: BUG: spinlock lockup on CPU#0 Cc: linux-kernel In-Reply-To: <20f65d530606012317u7d49f476w4bfaa5b6cc08e94e@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200606020137_MC3-1-C164-9068@compuserve.com> <20f65d530606012317u7d49f476w4bfaa5b6cc08e94e@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi We have updated all the 10 PCs kernel to 2.6.16.18. We only have 1 of them running in IOAPIC mode (ie local APIC mode support), the rest are in XT-PIC. The APIC machine crashed after 24 hours of operation. Below is the stack trace. Is this related to the IO APIC, or should we be worried about the XT-PIC machines too? [4354161.283000] Unable to handle kernel NULL pointer dereference at virtual add ress 00000008 [4354161.283000] printing eip: [4354161.283000] c0115dec [4354161.283000] *pde = 00000000 [4354161.283000] Oops: 0002 [#1] [4354161.283000] Modules linked in: zd1211 rt2570 autofs4 video button battery a c uhci_hcd bt878 tuner tvaudio bttv video_buf compat_ioctl32 i2c_algo_bit v4l2_c ommon btcx_risc ir_common tveeprom videodev i2c_i801 i2c_core snd_intel8x0 snd_a c97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc e100 mii dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod [4354161.283000] CPU: 0 [4354161.283000] EIP: 0060:[] Not tainted VLI [4354161.283000] EFLAGS: 00010017 (2.6.16.18 #3) [4354161.283000] EIP is at scheduler_tick+0x76/0x287 [4354161.283000] eax: 00000000 ebx: 3fd1db7d ecx: 6c53c678 edx: 000f7816 [4354161.283000] esi: ed103560 edi: 00000000 ebp: de18ba44 esp: de18ba28 [4354161.283000] ds: 007b es: 007b ss: 0068 [4354161.283000] Process ?.?? (pid: -1, threadinfo=de18a000 task=ed103560) [4354161.283000] Stack: <0>00000000 de18ba40 2c9166c0 000f7816 ed103560 00000000 00000000 de18ba54 [4354161.283000] c0120aba de18bac4 00000000 de18ba64 c010588f 00000000 c0 33a3a0 de18ba8c [4354161.283000] c01357a5 00000000 00000000 de18bac4 de18bac4 00000000 c0 394b1c c0394b00 [4354161.283000] Call Trace: [4354161.283000] [] show_stack_log_lvl+0xa5/0xad [4354161.283000] [] show_registers+0x106/0x16f [4354161.283000] [] die+0xc1/0x13c [4354161.283000] [] do_page_fault+0x366/0x50e [4354161.283000] [] error_code+0x4f/0x54 [4354161.283000] [] update_process_times+0x51/0x5e [4354161.283000] [] timer_interrupt+0x59/0x94 [4354161.283000] [] handle_IRQ_event+0x26/0x56 [4354161.283000] [] __do_IRQ+0x79/0xcf [4354161.283000] [] do_IRQ+0x45/0x56 [4354161.283000] [] common_interrupt+0x1a/0x20 [4354161.283000] [] __do_IRQ+0x79/0xcf [4354161.283000] [] do_IRQ+0x45/0x56 [4354161.283000] [] common_interrupt+0x1a/0x20 [4354161.283000] [] schedule+0x4b8/0x516 [4354161.283000] [] videobuf_waiton+0xad/0x102 [video_buf] [4354161.283000] [] bttv_do_ioctl+0xb45/0x141e [bttv] [4354161.283000] [] video_usercopy+0xb9/0x112 [videodev] [4354161.283000] [] bttv_ioctl+0x3c/0x41 [bttv] [4354161.283000] [] do_ioctl+0x48/0x52 [4354161.283000] [] vfs_ioctl+0x16e/0x17d [4354161.283000] [] sys_ioctl+0x46/0x63 [4354161.283000] [] sysenter_past_esp+0x54/0x75 [4354161.283000] Code: 48 8b 45 ec 8b 55 f0 3b 35 10 98 3d c0 a3 04 98 3d c0 89 15 08 98 3d c0 0f 84 16 02 00 00 a1 18 98 3d c0 39 46 28 74 0d 8b 46 04 <0f> ba 68 08 03 e9 ff 01 00 00 b8 e0 97 3d c0 e8 54 90 1c 00 8b [4354161.283000] <0>Kernel panic - not syncing: Fatal exception in interrupt [4354161.283000] Regards Keith