Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757243AbZCLSco (ORCPT ); Thu, 12 Mar 2009 14:32:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756826AbZCLScJ (ORCPT ); Thu, 12 Mar 2009 14:32:09 -0400 Received: from vms173019pub.verizon.net ([206.46.173.19]:39735 "EHLO vms173019pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756748AbZCLScG (ORCPT ); Thu, 12 Mar 2009 14:32:06 -0400 From: Gene Heskett Organization: Organization? very little To: David Newall Subject: Re: I just got got another Oops Date: Thu, 12 Mar 2009 14:31:49 -0400 User-Agent: KMail/1.11.0 (Linux/2.6.29-rc7; KDE/4.2.0; i686; ; ) Cc: "linux-kernel@vger.kernel.org" References: <200903120133.11583.gene.heskett@gmail.com> <49B8C98D.3020309@davidnewall.com> In-reply-to: <49B8C98D.3020309@davidnewall.com> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7bit Content-disposition: inline Message-id: <200903121431.49437.gene.heskett@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6361 Lines: 92 On Thursday 12 March 2009, David Newall wrote: >Gene Heskett wrote: >> Mar 12 01:15:01 coyote xinetd[2583]: START: amanda pid=8970 >> from=::ffff:192.168.71.3 Mar 12 01:16:21 coyote kernel: [10353.910914] >> BUG: unable to handle kernel NULL pointer dereference at 00000006 Mar 12 >> 01:16:21 coyote kernel: [10353.910921] IP: [] >> get_page_from_freelist+0x24b/0x4c0 Mar 12 01:16:21 coyote kernel: >> [10353.910929] *pdpt = 0000000000b38001 *pde = 0000000000000000 Mar 12 >> 01:16:21 coyote kernel: [10353.910934] Oops: 0000 [#1] PREEMPT SMP > >I think there must be a zone at 0x0. Try adding > > if (!zone) goto try_next_zone; > > >in mm/page_alloc.c, (near line 1469), before > > if (NUMA_BUILD && zlc_active && I don't believe that was the fix, David. I just got another Oops And this time word wrap is turned off before I paste from the log: I thought it was the last time, sigh... ============================== Mar 12 14:15:02 coyote kernel: [ 2656.832576] BUG: unable to handle kernel NULL pointer dereference at 00000006 Mar 12 14:15:02 coyote kernel: [ 2656.832583] IP: [] get_page_from_freelist+0x24b/0x4c0 Mar 12 14:15:02 coyote kernel: [ 2656.832613] *pdpt = 000000003216c001 *pde = 0000000000000000 Mar 12 14:15:02 coyote kernel: [ 2656.832618] Oops: 0000 [#1] PREEMPT SMP Mar 12 14:15:02 coyote kernel: [ 2656.832620] last sysfs file: /sys/devices/pci0000:00/0000:00:09.0/irq Mar 12 14:15:02 coyote kernel: [ 2656.832623] Modules linked in: radeon drm nls_utf8 cifs nfsd lockd nfs_acl auth_rpcgss exportfs rfcomm sco bridge stp llc bnep l2cap autofs4 sunrpc ipv6 snd_emu10k1_synth or51132 snd_emux_synth cx88_dvb videobuf_dvb snd_seq_virmidi dvb_core snd_seq_midi_emul tuner_simple snd_emu10k1 tuner_types snd_rawmidi snd_ac97_codec ac97_bus tda9887 snd_seq_dummy tda8290 snd_seq_oss snd_seq_midi_event snd_seq tuner snd_pcm_oss cx8800 snd_mixer_oss cx8802 cx88xx snd_pcm snd_seq_device ir_common v4l2_common snd_timer i2c_algo_bit videodev snd_page_alloc snd_util_mem v4l1_compat tveeprom snd_hwdep btcx_risc snd firewire_ohci videobuf_dma_sg ftdi_sio usb_storage floppy videobuf_core firewire_core forcedeth sr_mod btusb cdrom sg usbserial i2c_nforce2 soundcore crc_itu_t usblp pcspkr joydev bluetooth i2c_core evdev button ahci pata_jmicron pata_amd ata_generic pata_acpi sata_nv libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: drm] Mar 12 14:15:02 coyote kernel: [ 2656.832669] Mar 12 14:15:02 coyote kernel: [ 2656.832672] Pid: 18877, comm: kmail Not tainted (2.6.29-rc7 #5) System Product Name Mar 12 14:15:02 coyote kernel: [ 2656.832675] EIP: 0060:[] EFLAGS: 00210202 CPU: 0 Mar 12 14:15:02 coyote kernel: [ 2656.832678] EIP is at get_page_from_freelist+0x24b/0x4c0 Mar 12 14:15:02 coyote kernel: [ 2656.832680] EAX: ffffffff EBX: 80004000 ECX: 00000001 EDX: 00000002 Mar 12 14:15:02 coyote kernel: [ 2656.832682] ESI: c28fc260 EDI: 00000000 EBP: f2168d5c ESP: f2168cfc Mar 12 14:15:02 coyote kernel: [ 2656.832684] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Mar 12 14:15:02 coyote kernel: [ 2656.832686] Process kmail (pid: 18877, ti=f2168000 task=f22018b0 task.ti=f2168000) Mar 12 14:15:02 coyote kernel: [ 2656.832688] Stack: Mar 12 14:15:02 coyote kernel: [ 2656.832689] 00000002 00000044 c28fc060 00000000 f1463ca4 c0744b80 c06d6480 00000002 Mar 12 14:15:02 coyote kernel: [ 2656.832693] 00000000 00000000 001201d2 00000002 00200246 00000001 c06d6900 00000100 Mar 12 14:15:02 coyote kernel: [ 2656.832698] 00000000 80000000 c06d7484 c06d6480 c06d6480 c06d6480 f22018b0 00000129 Mar 12 14:15:02 coyote kernel: [ 2656.832708] Call Trace: Mar 12 14:15:02 coyote kernel: [ 2656.832710] [] ? __alloc_pages_internal+0xae/0x430 Mar 12 14:15:02 coyote kernel: [ 2656.832713] [] ? __do_fault+0x163/0x410 Mar 12 14:15:02 coyote kernel: [ 2656.832717] [] ? __do_page_cache_readahead+0xe4/0x1e0 Mar 12 14:15:02 coyote kernel: [ 2656.832721] [] ? ondemand_readahead+0x15b/0x180 Mar 12 14:15:02 coyote kernel: [ 2656.832724] [] ? page_cache_async_readahead+0x78/0x90 Mar 12 14:15:02 coyote kernel: [ 2656.832727] [] ? generic_file_aio_read+0x314/0x670 Mar 12 14:15:02 coyote kernel: [ 2656.832733] [] ? do_sync_read+0xd1/0x110 Mar 12 14:15:02 coyote kernel: [ 2656.832735] [] ? vma_merge+0x190/0x270 Mar 12 14:15:02 coyote kernel: [ 2656.832738] [] ? autoremove_wake_function+0x0/0x50 Mar 12 14:15:02 coyote kernel: [ 2656.832742] [] ? common_interrupt+0x27/0x2c Mar 12 14:15:02 coyote kernel: [ 2656.832745] [] ? vfs_read+0x99/0x140 Mar 12 14:15:02 coyote kernel: [ 2656.832747] [] ? do_sync_read+0x0/0x110 Mar 12 14:15:02 coyote kernel: [ 2656.832749] [] ? sys_read+0x3d/0x70 Mar 12 14:15:02 coyote kernel: [ 2656.832752] [] ? sysenter_do_call+0x12/0x21 Mar 12 14:15:02 coyote kernel: [ 2656.832754] Code: ff 75 d0 9d 89 e0 25 00 f0 ff ff 83 68 14 01 f6 40 08 08 0f 85 30 02 00 00 8b 1e 89 f2 8b 46 08 8b 7e 10 f6 c7 40 74 03 8b 56 0c <8b> 4a 04 31 d2 85 ff 0f 95 c2 83 c0 01 09 c2 31 c0 85 c9 0f 95 Mar 12 14:15:02 coyote kernel: [ 2656.832781] EIP: [] get_page_from_freelist+0x24b/0x4c0 SS:ESP 0068:f2168cfc Mar 12 14:15:02 coyote kernel: [ 2656.832789] ---[ end trace 4e78f421815113f4 ]--- ================================ And this time whatever kde uses for an alert popped up another stack of them, and then kmail went away so I had to kill its last process to get that screen back & restart kmail. Call me puzzled. Not sure if I'll answer, but... :) David; That patch you sent, should I take it back out & wait for a better one? -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) descramble code needed from software company -- 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/