From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932854AbXBKOAB (ORCPT ); Sun, 11 Feb 2007 09:00:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932858AbXBKOAB (ORCPT ); Sun, 11 Feb 2007 09:00:01 -0500 Received: from mail.gmx.net ([213.165.64.20]:53757 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932854AbXBKOAA (ORCPT ); Sun, 11 Feb 2007 09:00:00 -0500 X-Provags-ID: V01U2FsdGVkX19k3NVLNpFk6A3or95NCe19EUCdLj42ALOiZBi2pS Hnww== From: Frank Hartmann To: Jan Kara Cc: linux-kernel@vger.kernel.org Subject: Re: PROBLEM: 2.6.19.1 Oops while doing Disk IO + playing sound, 2.6.20 too In-Reply-To: <20070208093930.GB10973@duck.suse.cz> (Jan Kara's message of "Thu, 8 Feb 2007 10:39:30 +0100") References: <877ivr6t0k.fsf@fantasio.hh.de> <20070207091841.GE24590@atrey.karlin.mff.cuni.cz> <87wt2thhux.fsf@fantasio.hh.de> <20070208093930.GB10973@duck.suse.cz> Date: Sun, 11 Feb 2007 14:59:53 +0100 Message-ID: <87bqk06bhi.fsf_-_@fantasio.hh.de> User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.93 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jan Kara writes: > OK, thanks for the news. Please, write me when you try out 2.6.20. Just > if it rings bell to someone on this list: It looks like the page had no > buffers but PagePrivate was set. Strange. Hi Jan, below is what I got using 2.6.20. Is there any correlation to my previous reports? Should I focus testing memory/disks/etc. further(and how?)? Or should I focus modifying kernel parameters(and which)? Feb 11 14:30:47 fantasio kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 0000002d Feb 11 14:30:47 fantasio kernel: printing eip: Feb 11 14:30:47 fantasio kernel: e0c55b16 Feb 11 14:30:47 fantasio kernel: *pde = 00000000 Feb 11 14:30:47 fantasio kernel: Oops: 0000 [#1] Feb 11 14:30:48 fantasio kernel: Modules linked in: cbc blkcipher binfmt_misc bnep rfcomm l2cap nfs nfsd exportfs lockd sunrpc ip_tables bridge llc cryptoloop loop sha256 aes it87 hwmon_vid i2c_isa i2c_core md5 ipv6 af_packet radeon drm dm_crypt dm_mod snd_via82xx snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc analog snd_mpu401_uart rtc gameport snd_rawmidi snd via_agp agpgart prism54 8250_pnp 8250 serial_core evdev soundcore firmware_class sd_mod ext3 jbd mbcache raid1 raid0 multipath linear md_mod ide_cd cdrom ide_disk usbhid usb_storage via82cxxx ide_core via_rhine mii ehci_hcd uhci_hcd usbcore sym53c8xx scsi_transport_spi scsi_mod unix Feb 11 14:30:48 fantasio kernel: CPU: 0 Feb 11 14:30:48 fantasio kernel: EIP: 0060:[pg0+546224918/1070154752] Not tainted VLI Feb 11 14:30:48 fantasio kernel: EFLAGS: 00010202 (2.6.20 #1) Feb 11 14:30:48 fantasio kernel: EIP is at walk_page_buffers+0x1e/0x87 [ext3] Feb 11 14:30:48 fantasio kernel: eax: c38df601 ebx: 00002000 ecx: 00000029 edx: c38df601 Feb 11 14:30:48 fantasio kernel: esi: 00002000 edi: c38df6ec ebp: 00000000 esp: c14f5dbc Feb 11 14:30:48 fantasio kernel: ds: 007b es: 007b ss: 0068 Feb 11 14:30:48 fantasio kernel: Process pdflush (pid: 134, ti=c14f4000 task=dfc04a70 task.ti=c14f4000) Feb 11 14:30:48 fantasio kernel: Stack: 00000029 00001000 00000000 dce96734 c104f700 c38df6ec dce96734 dce96734 Feb 11 14:30:48 fantasio kernel: e0c5629b 00001000 00000000 e0c561b1 c14f5e38 0000000e c14f5f58 0000000a Feb 11 14:30:48 fantasio kernel: c104f700 0000000e c14f5f58 c0133584 00000000 0000000e 00000000 00000001 Feb 11 14:30:48 fantasio kernel: Call Trace: Feb 11 14:30:48 fantasio kernel: [pg0+546226843/1070154752] ext3_ordered_writepage+0xcc/0x158 [ext3] Feb 11 14:30:48 fantasio kernel: [pg0+546226609/1070154752] bget_one+0x0/0x6 [ext3] Feb 11 14:30:48 fantasio kernel: [generic_writepages+380/690] generic_writepages+0x17c/0x2b2 Feb 11 14:30:48 fantasio kernel: [pg0+546226639/1070154752] ext3_ordered_writepage+0x0/0x158 [ext3] Feb 11 14:30:48 fantasio kernel: [do_writepages+41/48] do_writepages+0x29/0x30 Feb 11 14:30:48 fantasio kernel: [__sync_single_inode+81/406] __sync_single_inode+0x51/0x196 Feb 11 14:30:48 fantasio kernel: [__writeback_single_inode+312/320] __writeback_single_inode+0x138/0x140 Feb 11 14:30:48 fantasio kernel: [schedule_timeout+121/141] schedule_timeout+0x79/0x8d Feb 11 14:30:48 fantasio kernel: [process_timeout+0/5] process_timeout+0x0/0x5 Feb 11 14:30:48 fantasio kernel: [apic_timer_interrupt+40/48] apic_timer_interrupt+0x28/0x30 Feb 11 14:30:48 fantasio kernel: [congestion_wait+107/117] congestion_wait+0x6b/0x75 Feb 11 14:30:48 fantasio kernel: [autoremove_wake_function+0/51] autoremove_wake_function+0x0/0x33 Feb 11 14:30:48 fantasio kernel: [sync_sb_inodes+361/511] sync_sb_inodes+0x169/0x1ff Feb 11 14:30:48 fantasio kernel: [writeback_inodes+67/100] writeback_inodes+0x43/0x64 Feb 11 14:30:48 fantasio kernel: [pdflush+0/40] pdflush+0x0/0x28 Feb 11 14:30:48 fantasio kernel: [background_writeout+88/137] background_writeout+0x58/0x89 Feb 11 14:30:48 fantasio kernel: [pdflush+0/40] pdflush+0x0/0x28 Feb 11 14:30:48 fantasio kernel: [__pdflush+179/309] __pdflush+0xb3/0x135 Feb 11 14:30:48 fantasio kernel: [pdflush+36/40] pdflush+0x24/0x28 Feb 11 14:30:48 fantasio kernel: [background_writeout+0/137] background_writeout+0x0/0x89 Feb 11 14:30:48 fantasio kernel: [pdflush+0/40] pdflush+0x0/0x28 Feb 11 14:30:48 fantasio kernel: [kthread+114/151] kthread+0x72/0x97 Feb 11 14:30:48 fantasio kernel: [kthread+0/151] kthread+0x0/0x97 Feb 11 14:30:48 fantasio kernel: [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10 Feb 11 14:30:48 fantasio kernel: ======================= Feb 11 14:30:48 fantasio kernel: Code: 06 fb ff ff ff 83 c4 0c 89 c8 5b 5e c3 55 31 ed 57 89 d7 56 31 f6 53 83 ec 10 89 4c 24 08 89 44 24 0c 89 d1 8b 42 10 89 44 24 04 <8b> 41 04 89 04 24 8b 44 24 04 8d 1c 06 3b 5c 24 08 0f 96 c2 3b Feb 11 14:30:48 fantasio kernel: EIP: [pg0+546224918/1070154752] walk_page_buffers+0x1e/0x87 [ext3] SS:ESP 0068:c14f5dbc regards Frank