From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753646AbZFYKZQ (ORCPT ); Thu, 25 Jun 2009 06:25:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751439AbZFYKZG (ORCPT ); Thu, 25 Jun 2009 06:25:06 -0400 Received: from mail-fx0-f213.google.com ([209.85.220.213]:48818 "EHLO mail-fx0-f213.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751160AbZFYKZE (ORCPT ); Thu, 25 Jun 2009 06:25:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=lN/+iUT0pd4N3CietQEZEPr4xbkin/IDozXXR0AW2C61xQBoEZIua8NktlycNWdmGA q6vnh9dhHm1CayulMxbgtS2LByZM/GMbMkGxWir5yURLq1+P4nWYwhYMYzrALAzbDA9K A8FIPCs/6rnNWCEAqVKxEa5LAZ9YCe8yerZRg= MIME-Version: 1.0 Date: Thu, 25 Jun 2009 12:25:05 +0200 Message-ID: <5a4c581d0906250325q1dd9ca67na9a8c7ecbffe4897@mail.gmail.com> Subject: [2.6.31-rc1] oops in acpi_get_pci_dev From: Alessandro Suardi To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On boot: [snip] kernel: ricoh-mmc: Controller is now disabled. kernel: firewire_ohci 0000:03:01.0: PCI INT B -> GSI 17 (level, low) -> IRQ 17 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 kernel: IP: [] acpi_get_pci_dev+0x113/0x179 kernel: PGD 11b0f1067 PUD 11b0e5067 PMD 0 kernel: Oops: 0000 [#1] SMP kernel: last sysfs file: /sys/devices/virtual/misc/rfkill/dev kernel: CPU 0 kernel: Modules linked in: dell_laptop(+) snd firewire_ohci(+) ricoh_mmc firewire_core soundcore sdhci_pci snd_page_alloc rfkill i2c_i801 sdhci pcspkr mmc_core joydev dcdbas i2c_core video output crc_itu_t battery ac [last unloaded: scsi_wait_scan] kernel: Pid: 1258, comm: modprobe Not tainted 2.6.31-rc1 #1 Latitude E6400 kernel: RIP: 0010:[] [] acpi_get_pci_dev+0x113/0x179 kernel: RSP: 0018:ffff88011b0f3bf8 EFLAGS: 00010287 kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000824bb959 kernel: RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffffffff815a0f74 kernel: RBP: ffff88011b0f3c68 R08: ffff88011b7396f0 R09: 0000000000000000 kernel: R10: 0000000000000052 R11: ffff88011b176338 R12: ffff88011b427560 kernel: R13: ffff88011f9a4000 R14: ffff88011f814d60 R15: ffff88011f814d20 kernel: FS: 00007f715ffc06f0(0000) GS:ffff88002801f000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b kernel: CR2: 0000000000000018 CR3: 000000011b0e6000 CR4: 00000000000006f0 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 kernel: Process modprobe (pid: 1258, threadinfo ffff88011b0f2000, task ffff88011b7396f0) kernel: Stack: kernel: ffff88011b0f3c38 ffff88011b0f3c08 ffff88011b427560 ffff88011b427e60 kernel: <0> ffff88011b0f3c68 ffff88011f812020 0000000000010000 00000000824bb959 kernel: <0> ffff88011b0f3c68 ffff88011f814d60 ffff88011b0f3de8 ffff88011f814d20 kernel: Call Trace: kernel: [] find_video+0x62/0xa2 kernel: [] acpi_ns_walk_namespace+0xc4/0x14d kernel: [] ? find_video+0x0/0xa2 kernel: [] ? find_video+0x0/0xa2 kernel: [] acpi_walk_namespace+0x82/0xd0 kernel: [] acpi_video_get_capabilities+0x61/0xe2 kernel: [] ? dell_send_request+0x60/0x82 [dell_laptop] kernel: [] acpi_video_backlight_support+0x27/0x64 kernel: [] dell_init+0x1db/0x329 [dell_laptop] kernel: [] ? __up_read+0x9c/0xbb kernel: [] ? dell_init+0x0/0x329 [dell_laptop] kernel: [] do_one_initcall+0x65/0x153 kernel: [] ? __blocking_notifier_call_chain+0x63/0x83 kernel: [] sys_init_module+0xe0/0x22e kernel: [] system_call_fastpath+0x16/0x1b kernel: Code: 75 4a 48 8b 45 c0 4c 89 ef 48 89 c6 83 e0 07 48 c1 ee 10 c1 e6 03 81 e6 f8 00 00 00 09 c6 e8 29 3e fd ff 4d 39 f7 48 89 c3 74 21 <4c> 8b 68 18 48 89 c7 e8 d0 34 fd ff 4d 8b 24 24 49 8b 04 24 4c kernel: RIP [] acpi_get_pci_dev+0x113/0x179 kernel: RSP kernel: CR2: 0000000000000018 kernel: ---[ end trace 96ab648bd362f7da ]--- Dell Latitude E6400 x86_64 SMP with Fedora 11 userspace. Box continues working after Oops, but locks up when exiting X session. 2.6.30-git22 works fine (probably because acpi_get_pci_dev is introduced in -rc1) Thanks, --alessandro "And if a God will lay to rest anywhere we want to go In your house I long to be, room by room, patiently" (Audioslave, "Like A Stone")