Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755930AbYJHUP7 (ORCPT ); Wed, 8 Oct 2008 16:15:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754330AbYJHUPv (ORCPT ); Wed, 8 Oct 2008 16:15:51 -0400 Received: from main.gmane.org ([80.91.229.2]:55962 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753414AbYJHUPu (ORCPT ); Wed, 8 Oct 2008 16:15:50 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Frederik Himpe Subject: 2.6.27-rc8-git8: oops in process hald-addon-dell-backlight (intel iommu related?) Date: Wed, 8 Oct 2008 20:15:37 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 78-21-61-244.access.telenet.be User-Agent: Pan/0.133 (House of Butterflies) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4425 Lines: 81 On my Dell Latitude E6400 system with Intel chipset and graphics, I get this oops in my 2.6.27-rc8-git8 based kernel, which probably happens when hald-addon-dell-backlight is started. Complete dmesg and lspci info: https://qa.mandriva.com/show_bug.cgi?id=44711 iwlagn 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 iwlagn 0000:0c:00.0: restoring config space at offset 0x1 (was 0x100102, writing 0x100106) firmware: requesting iwlwifi-5000-1.ucode iwlagn: Radio disabled by HW RF Kill switch ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Failed to config new SSID to the low-level driver BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: [] pci_find_upstream_pcie_bridge+0x1f/0xa0 PGD 11addf067 PUD 11b1c1067 PMD 0 Oops: 0000 [1] SMP CPU 1 Modules linked in: ipv6 binfmt_misc fuse nls_utf8 nls_cp437 vfat fat ext3 jbd loop cpufreq_ondemand cpufreq_conservative cpufreq_powersave acpi_cpufreq freq_table nvram i8k ohci1394 ieee1394 pcmcia snd_hda_intel snd_hwdep firewire_ohci firewire_core arc4 sdhci_pci crc_itu_t sdhci ecb video output crypto_blkcipher snd_seq_dummy mmc_core snd_seq_oss snd_seq_midi_event snd_seq yenta_socket rsrc_nonstatic pcmcia_core snd_seq_device snd_pcm_oss snd_pcm snd_timer iwlagn snd_page_alloc snd_mixer_oss iwlcore i2c_i801 thermal wmi button battery ac snd e1000e rfkill led_class i2c_core processor soundcore evdev sr_mod rtc_cmos sg dcdbas mac80211 cfg80211 dm_snapshot dm_zero dm_mirror dm_log dm_mod ata_piix ahci libata dock sd_mod scsi_mod crc_t10dif xfs uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: scsi_wait_scan] Pid: 2685, comm: hald-addon-dell Not tainted 2.6.27-tmb- desktop-0.rc8.8.2mdv #1 RIP: 0010:[] [] pci_find_upstream_pcie_bridge+0x1f/0xa0 RSP: 0018:ffff88011b453c98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000030 RDI: ffff88011b7e4f80 RBP: ffff88011b453c98 R08: 0000000000000000 R09: ffff88011cc5f000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001000 R13: 0000000000000030 R14: ffff88011b7e4f80 R15: ffff88011b7e5010 FS: 00007f574f1ca700(0000) GS:ffff88011fc02980(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000038 CR3: 000000011b1b4000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process hald-addon-dell (pid: 2685, threadinfo ffff88011b452000, task ffff88011adfd700) Stack: ffff88011b453d28 ffffffff80386808 ffff88011adfd700 0000000000000000 0000000000000000 ffff88011b453e70 ffff88011b453d68 ffffffff8029574d 0000000000000000 80ff880000000000 0000000000000000 ffff880000002a00 Call Trace: [] get_domain_for_dev+0x58/0x620 [] ? __alloc_pages_internal+0xed/0x4f0 [] get_valid_domain_for_dev+0x18/0x150 [] intel_map_single+0x47/0x160 [] ? alloc_pages_current+0x76/0xf0 [] intel_alloc_coherent+0x7f/0xb0 [] dma_alloc_coherent+0x28a/0x310 [] smi_data_buf_realloc+0x5a/0xf0 [dcdbas] [] ? mutex_lock+0x11/0x30 [] smi_data_buf_size_store+0x3a/0x60 [dcdbas] [] dev_attr_store+0x1e/0x20 [] sysfs_write_file+0xc5/0x140 [] vfs_write+0xcb/0x170 [] sys_write+0x50/0x90 [] system_call_fastpath+0x16/0x1b Code: 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 f6 87 89 05 00 00 04 48 89 e5 75 3b 31 d2 eb 0a 0f 1f 80 00 00 00 00 48 89 fa 48 8b 47 10 <48> 8b 78 38 48 85 ff 74 30 f6 87 89 05 00 00 04 74 e7 80 7f 4a RIP [] pci_find_upstream_pcie_bridge+0x1f/0xa0 RSP CR2: 0000000000000038 ---[ end trace 200eed5d7163b4d1 ]--- NET: Registered protocol family 17 0000:00:19.0: eth0: Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX 0000:00:19.0: eth0: 10/100 speed: disabling TSO ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready -- 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/