From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752251Ab1HWFE5 (ORCPT ); Tue, 23 Aug 2011 01:04:57 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:53884 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750827Ab1HWFEu (ORCPT ); Tue, 23 Aug 2011 01:04:50 -0400 MIME-Version: 1.0 Date: Tue, 23 Aug 2011 01:04:49 -0400 Message-ID: Subject: 3.1.0-rc3 -- WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0x92/0xa6() From: Miles Lane To: LKML , Greg Kroah-Hartman , Richard Purdie , Keith Packard Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0x92/0xa6() Hardware name: UL50VT sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight' Modules linked in: Pid: 1, comm: swapper Not tainted 3.1.0-rc3 #2 Call Trace: [] warn_slowpath_common+0x7e/0x96 [] warn_slowpath_fmt+0x41/0x43 [] sysfs_add_one+0x92/0xa6 [] create_dir+0x6f/0xa8 [] sysfs_create_dir+0x8b/0xa2 [] kobject_add_internal+0xcb/0x18c [] kobject_add+0x91/0xa2 [] device_add+0xc9/0x56b [] ? __raw_spin_lock_init+0x31/0x52 [] device_register+0x17/0x1c [] backlight_device_register+0x10a/0x17a [] intel_panel_setup_backlight+0x78/0xcd [] intel_modeset_init+0xd5d/0xe5f [] i915_driver_load+0x8d8/0xdb0 [] ? device_register+0x17/0x1c [] drm_get_pci_dev+0x16b/0x267 [] i915_pci_probe+0x1b/0x1d [] pci_device_probe+0x57/0x82 [] ? driver_sysfs_add+0x6b/0x90 [] driver_probe_device+0xa5/0x135 [] __driver_attach+0x59/0x7c [] ? driver_probe_device+0x135/0x135 [] bus_for_each_dev+0x54/0x88 [] driver_attach+0x19/0x1b [] bus_add_driver+0xab/0x201 [] driver_register+0x93/0x100 [] __pci_register_driver+0x61/0xce [] drm_pci_init+0x80/0xe5 [] ? drm_core_init+0x128/0x128 [] i915_init+0x8b/0x8d [] do_one_initcall+0x7a/0x130 [] kernel_init+0x9b/0x115 [] kernel_thread_helper+0x4/0x10 [] ? retint_restore_args+0xe/0xe [] ? start_kernel+0x392/0x392 [] ? gs_change+0xb/0xb ---[ end trace 45a7fa691fcd0399 ]--- kobject_add_internal failed for intel_backlight with -EEXIST, don't try to register things with the same name in the same directory. Pid: 1, comm: swapper Tainted: G W 3.1.0-rc3 #2 Call Trace: [] kobject_add_internal+0x15c/0x18c [] kobject_add+0x91/0xa2 [] device_add+0xc9/0x56b [] ? __raw_spin_lock_init+0x31/0x52 [] device_register+0x17/0x1c [] backlight_device_register+0x10a/0x17a [] intel_panel_setup_backlight+0x78/0xcd [] intel_modeset_init+0xd5d/0xe5f [] i915_driver_load+0x8d8/0xdb0 [] ? device_register+0x17/0x1c [] drm_get_pci_dev+0x16b/0x267 [] i915_pci_probe+0x1b/0x1d [] pci_device_probe+0x57/0x82 [] ? driver_sysfs_add+0x6b/0x90 [] driver_probe_device+0xa5/0x135 [] __driver_attach+0x59/0x7c [] ? driver_probe_device+0x135/0x135 [] bus_for_each_dev+0x54/0x88 [] driver_attach+0x19/0x1b [] bus_add_driver+0xab/0x201 [] driver_register+0x93/0x100 [] __pci_register_driver+0x61/0xce [] drm_pci_init+0x80/0xe5 [] ? drm_core_init+0x128/0x128 [] i915_init+0x8b/0x8d [] do_one_initcall+0x7a/0x130 [] kernel_init+0x9b/0x115 [] kernel_thread_helper+0x4/0x10 [] ? retint_restore_args+0xe/0xe [] ? start_kernel+0x392/0x392 [] ? gs_change+0xb/0xb [drm:intel_panel_setup_backlight] *ERROR* Failed to register backlight: -17