From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262067AbVADW7E (ORCPT ); Tue, 4 Jan 2005 17:59:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262398AbVADW6J (ORCPT ); Tue, 4 Jan 2005 17:58:09 -0500 Received: from fire.osdl.org ([65.172.181.4]:15308 "EHLO fire-1.osdl.org") by vger.kernel.org with ESMTP id S262067AbVADW44 (ORCPT ); Tue, 4 Jan 2005 17:56:56 -0500 Message-ID: <41DB1C92.7060501@osdl.org> Date: Tue, 04 Jan 2005 14:45:38 -0800 From: "Randy.Dunlap" Organization: OSDL User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Konrad Wojas CC: linux-kernel@vger.kernel.org Subject: Re: 2.6.9 oops in poll()? References: <20050103161556.GD31250@vvtp.tudelft.nl> In-Reply-To: <20050103161556.GD31250@vvtp.tudelft.nl> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Konrad Wojas wrote: > My stock debian kernel (2.6.9-1-686) crashed this morning while running > bittornado (btlaunchmanycurses). At that moment only one torrent was > being downloaded. It looks to me like the problem is somewhere in poll() > in combination with threading. > > I haven't tested it using 2.6.10 as I don't even know if I can reproduce > this using 2.6.9. If I do, I'll let you know. > > I've included the raw oops and the output of ksymoops below. I'm not > subscribed to lkml. I don't see the Oops primary error/reason/fault message. Can you dig it up? And it looks like you need to use ksymoops -k /proc/kallsyms to get the addresses converted to symbols. Can you redo ksymoops like that, please? > ===================== RAW ====================== > > Jan 3 07:07:26 wojas kernel: c02b5513 > Jan 3 07:07:26 wojas kernel: PREEMPT > Jan 3 07:07:26 wojas kernel: Modules linked in: sch_ingress cls_u32 > sch_sfq sch_cbq ip6table_filter ip6t_LOG ip6_tables ipt_limit lp msr > cpuid ipt_state ipt_MASQUERADE ipt_LOG iptable_mangle iptable_filter > dummy af_packet es1371 ac97_codec pci_hotplug intel_agp floppy pcspkr > rtc sd_mod reiserfs ext2 dm_mod capability commoncap tsdev mousedev > joydev evdev wacom usbhid psmouse usb_storage uhci_hcd usbcore eeprom > lm75 i2c_sensor i2c_dev i2c_piix4 i2c_core aha152x ipv6 binfmt_misc > ip_nat_ftp iptable_nat ip_conntrack_ftp ip_conntrack mga agpgart > snd_pcm_oss snd_mixer_oss snd_ens1371 snd_rawmidi snd_seq_device > snd_pcm snd_timer snd_page_alloc snd_ac97_codec snd gameport ipt_REJECT > ip_tables ne2k_pci 8390 via_rhine mii crc32 sound soundcore sg > scsi_mod parport_pc parport ide_cd cdrom ext3 jbd mbcache ide_generic > piix ide_disk ide_core unix fbcon font vesafb cfbcopyarea cfbimgblt > cfbfillrect > Jan 3 07:07:26 wojas kernel: CPU: 0 > Jan 3 07:07:26 wojas kernel: EIP: 0060:[__func__.4+64363/135712] Not tainted VLI > Jan 3 07:07:26 wojas kernel: EFLAGS: 00010246 (2.6.9-1-686) > Jan 3 07:07:26 wojas kernel: EIP is at 0xc02b5513 > Jan 3 07:07:26 wojas kernel: eax: 00000000 ebx: c0325c00 ecx: c61e57e0 edx: d35b85e0 > Jan 3 07:07:26 wojas kernel: esi: c46082b9 edi: c61e57e4 ebp: 00000056 esp: d5f35f1c > Jan 3 07:07:26 wojas kernel: ds: 007b es: 007b ss: 0068 > Jan 3 07:07:26 wojas kernel: Process python (pid: 30488, threadinfo=d5f34000 task=c0f0faa0) > Jan 3 07:07:26 wojas kernel: Stack: c022db99 c61e57e0 d35b85e0 00000000 00000145 c016c995 c61e57e0 00000000 > Jan 3 07:07:26 wojas kernel: c4608000 d5f35f64 d5f35f68 0000001a c016ca0a 00000063 c4608008 d5f35f64 > Jan 3 07:07:26 wojas kernel: d5f35f68 d5f34000 00000000 00000002 00000000 c4608000 000001ff 082b0d90 > Jan 3 07:07:26 wojas kernel: Call Trace: > Jan 3 07:07:26 wojas kernel: [sock_poll+41/64] sock_poll+0x29/0x40 > Jan 3 07:07:26 wojas kernel: [do_pollfd+149/160] do_pollfd+0x95/0xa0 > Jan 3 07:07:26 wojas kernel: [do_poll+106/208] do_poll+0x6a/0xd0 > Jan 3 07:07:26 wojas kernel: [sys_poll+353/576] sys_poll+0x161/0x240 > Jan 3 07:07:26 wojas kernel: [__pollwait+0/208] __pollwait+0x0/0xd0 > Jan 3 07:07:26 wojas kernel: [syscall_call+7/11] syscall_call+0x7/0xb > Jan 3 07:07:26 wojas kernel: Code: 79 70 74 6f 2f 63 69 70 68 65 72 2e 63 00 69 6e 63 6c 75 64 65 2f 6c 69 6e 75 78 2f 63 72 79 70 74 6f 2e 68 00 6e 61 6d 65 20 20 <20> 20 20 20 20 20 20 3a 20 25 73 0a 00 6d 6f 64 75 6c 65 20 20 > > ===================== KSYMOOPS ====================== > > ksymoops 2.4.9 on i686 2.6.9-1-686. Options used > -V (default) > -k /proc/ksyms (default) > -l /proc/modules (default) > -o /lib/modules/2.6.9-1-686/ (default) > -m /boot/System.map-2.6.9-1-686 (default) > > Error (regular_file): read_ksyms stat /proc/ksyms failed > No modules in ksyms, skipping objects > No ksyms, skipping lsmod > Jan 3 07:07:26 wojas kernel: c02b5513 > Jan 3 07:07:26 wojas kernel: CPU: 0 > Jan 3 07:07:26 wojas kernel: EIP: 0060:[__func__.4+64363/135712] Not tainted VLI > Jan 3 07:07:26 wojas kernel: EFLAGS: 00010246 (2.6.9-1-686) > Jan 3 07:07:26 wojas kernel: eax: 00000000 ebx: c0325c00 ecx: c61e57e0 edx: d35b85e0 > Jan 3 07:07:26 wojas kernel: esi: c46082b9 edi: c61e57e4 ebp: 00000056 esp: d5f35f1c > Jan 3 07:07:26 wojas kernel: ds: 007b es: 007b ss: 0068 > Jan 3 07:07:26 wojas kernel: Stack: c022db99 c61e57e0 d35b85e0 00000000 00000145 c016c995 c61e57e0 00000000 > Jan 3 07:07:26 wojas kernel: c4608000 d5f35f64 d5f35f68 0000001a c016ca0a 00000063 c4608008 d5f35f64 > Jan 3 07:07:26 wojas kernel: d5f35f68 d5f34000 00000000 00000002 00000000 c4608000 000001ff 082b0d90 > Jan 3 07:07:26 wojas kernel: Call Trace: > Warning (Oops_read): Code line not seen, dumping what data is available > > > >>>ebx; c0325c00 >>>ecx; c61e57e0 >>>edx; d35b85e0 >>>esi; c46082b9 >>>edi; c61e57e4 >>>esp; d5f35f1c -- ~Randy