Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758132AbXEaOak (ORCPT ); Thu, 31 May 2007 10:30:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752359AbXEaOaa (ORCPT ); Thu, 31 May 2007 10:30:30 -0400 Received: from mail.gmx.net ([213.165.64.20]:49664 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1757552AbXEaOa2 (ORCPT ); Thu, 31 May 2007 10:30:28 -0400 X-Authenticated: #5039886 X-Provags-ID: V01U2FsdGVkX1+hhokPSS2hfpM25gi2GkpneMMEdDC5USXVkhZq9b H8niXrvb6JdKCm Date: Thu, 31 May 2007 16:30:38 +0200 From: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink To: Folkert van Heusden , power@bughost.org, linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de Subject: Re: [2.6.21.1] running powertop 1.5 for 10 seconds causes a kernel panic Message-ID: <20070531143038.GA18523@atjola.homenet> Mail-Followup-To: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink , Folkert van Heusden , power@bughost.org, linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de References: <20070530203434.GB9806@vanheusden.com> <20070530234331.GA10666@atjola.homenet> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070530234331.GA10666@atjola.homenet> User-Agent: Mutt/1.5.13 (2006-08-11) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4974 Lines: 73 On 2007.05.31 01:43:31 +0200, Bj?rn Steinbrink wrote: > On 2007.05.30 22:34:34 +0200, Folkert van Heusden wrote: > > P4 with HT and 2GB of ram > > desktop (altough acting as a sever with 300 processes fighting for cpu > > time) > > > > [350598.081548] audit(1180545318.054:16): dev=eth1 prom=0 old_prom=256 auid=4294967295 > > [361753.921304] BUG: unable to handle kernel paging request at virtual address b9d0458f > > [361753.921404] printing eip: > > [361753.921446] c10388d8 > > [361753.921487] *pde = 00000000 > > [361753.921530] Oops: 0000 [#1] > > [361753.921571] SMP > > [361753.921682] Modules linked in: tuner tvaudio bttv video_buf ir_common i2c_algo_bit btcx_risc tveeprom nfs pwc wcfxo pl2303 zaptel usbserial plusb usbnet w83627hf hwmon_vid snd_pcm_oss eeprom snd_mixer_oss i2c_isa i2c_core snd_intel8x0 snd_ac97_codec sd_mod snd_pcm scsi_mod snd_timer snd ide_cd soundcore cdrom snd_page_alloc ac97_bus parport_pc parport microcode firmware_class nfsd exportfs lockd sunrpc netconsole ipt_owner ip6table_filter ip6_tables ipv6 ipt_recent xt_limit xt_state act_police sch_ingress cls_u32 sch_sfq sch_cbq ipt_REJECT ipt_MASQUERADE ipt_TOS xt_tcpudp iptable_mangle iptable_filter rtl8150 e1000 3c59x mii iptable_nat ip_tables nf_nat nf_conntrack_ipv4 nf_conntrack nfnetlink x_tables capability commoncap ppp_deflate zlib_deflate zlib_inflate ppp_async crc_ccitt ppp_generic slip slhc genrtc rd > > [361753.924725] CPU: 0 > > [361753.924726] EIP: 0060:[] Not tainted VLI > > [361753.924728] EFLAGS: 00010046 (2.6.21.1test2 #4) > > [361753.924860] EIP is at match_entries+0xb/0x38 > > [361753.924904] eax: c25f1a80 ebx: 00000000 ecx: b9d0458b edx: ddc87ec8 > > [361753.924950] esi: ddc87ec8 edi: c25f19a0 ebp: ddc87ea0 esp: ddc87e9c > > [361753.924996] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 > > [361753.925043] Process einstein_S5R2_4 (pid: 21004, ti=ddc87000 task=f75780b0 task.ti=ddc87000) > > [361753.925092] Stack: b9d0458b ddc87ec0 c1038941 c12109d1 c12ffe90 c25f1ab0 00000096 c25f1b04 > > [361753.925451] c25f19a0 ddc87f50 c1038a1c c1494d70 c25f1a80 c103841c c1038620 00000000 > > [361753.925804] 00000000 45d6f5f0 00000001 f75785f8 c13daf40 00000001 f75785f8 c13f8c70 > > [361753.926152] Call Trace: > > [361753.926230] [] show_trace_log_lvl+0x1a/0x30 > > [361753.926312] [] show_stack_log_lvl+0x8d/0xaa > > [361753.926394] [] show_registers+0x1cd/0x2cb > > [361753.926475] [] die+0x11b/0x227 > > [361753.926554] [] do_page_fault+0x319/0x57a > > [361753.926636] [] error_code+0x7c/0x84 > > [361753.926716] [] tstat_lookup+0x3c/0xc9 > > [361753.926794] [] timer_stats_update_stats+0x4e/0x6f > > [361753.926874] [] hrtimer_interrupt+0x184/0x1e3 > > [361753.926955] [] local_apic_timer_interrupt+0x55/0x5b > > [361753.927036] [] smp_apic_timer_interrupt+0x2a/0x39 > > [361753.927118] [] apic_timer_interrupt+0x33/0x38 > > [361753.927197] ======================= > > [361753.927239] Code: 3d ff 03 00 00 89 e5 77 13 89 c2 83 c0 01 c1 e2 07 a3 98 2c 37 c1 81 c2 00 2d 37 c1 89 d0 5d c3 55 89 c1 8b 42 04 89 e5 53 31 db <39> 41 04 74 05 89 d8 5b 5d c3 8b 42 08 39 41 08 75 f3 8b 42 0c > > [361753.929496] EIP: [] match_entries+0xb/0x38 SS:ESP 0068:ddc87e9c > > [361753.929619] Kernel panic - not syncing: Fatal exception in interrupt > > [361753.929669] BUG: at arch/i386/kernel/smp.c:546 smp_call_function() > > [361753.929715] [] show_trace_log_lvl+0x1a/0x30 > > [361753.929795] [] show_trace+0x12/0x14 > > [361753.929873] [] dump_stack+0x16/0x18 > > [361753.930148] [] smp_call_function+0x10f/0x114 > > [361753.930229] [] smp_send_stop+0x1e/0x31 > > [361753.930309] [] panic+0x50/0xf5 > > [361753.930389] [] die+0x218/0x227 > > [361753.930472] [] do_page_fault+0x319/0x57a > > [361753.930558] [] error_code+0x7c/0x84 > > [361753.930642] [] tstat_lookup+0x3c/0xc9 > > [361753.930724] [] timer_stats_update_stats+0x4e/0x6f > > [361753.930807] [] hrtimer_interrupt+0x184/0x1e3 > > [361753.930890] [] local_apic_timer_interrupt+0x55/0x5b > > [361753.930973] [] smp_apic_timer_interrupt+0x2a/0x39 > > [361753.931055] [] apic_timer_interrupt+0x33/0x38 > > [361753.931139] ======================= > > Is that easily reproducable? Could you try the patch from > http://lkml.org/lkml/2007/5/30/156 to see if that helps? That one probably won't do it as there's another race. An updated version is here: http://lkml.org/lkml/2007/5/31/171 Thanks, Bj?rn - 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/