From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ali Gholami Rudi Subject: Re: [PATCH 2/5] i915: Add native backlight control Date: Sun, 23 Jan 2011 08:15:39 +0330 Message-ID: <20112301081539@lilem.mirepesht> References: <1295033065-13450-1-git-send-email-mjg@redhat.com> <1295033065-13450-2-git-send-email-mjg@redhat.com> <20112101000015@lilem.mirepesht> <20112101004346@lilem.mirepesht> <20110120151349.49cf3ebb.akpm@linux-foundation.org> <20110121004359.GA6422@srcf.ucam.org> <20110120170337.94d83333.akpm@linux-foundation.org> <20110121045754.GA9897@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110121045754.GA9897@srcf.ucam.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Matthew Garrett Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org, rpurdie@rpsys.net, Andrew Morton List-Id: linux-acpi@vger.kernel.org Hi, Now I'm getting this in my dmesg (1/5 and 2/5 still applied to -rc1): ACPI: thermal control disabled Non-volatile memory driver v1.3 Linux agpgart interface v0.103 agpgart-intel 0000:00:00.0: Intel 965GME/GLE Chipset agpgart-intel 0000:00:00.0: detected gtt size: 524288K total, 262144K mappable agpgart-intel 0000:00:00.0: detected 8192K stolen memory agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xd0000000 [drm] Initialized drm 1.1.0 20060810 i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 i915 0000:00:02.0: setting latency timer to 64 ioremap error for 0x3f7c5000-0x3f7c8000, requested 0x10, got 0x0 i915 0000:00:02.0: irq 42 for MSI/MSI-X [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [drm] Driver supports precise vblank timestamp query. ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared ACPI: Battery Slot [C245] (battery present) ------------[ cut here ]------------ WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0x6e/0x83() Hardware name: Compaq 610 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 2.6.38-rc1+ #47 Call Trace: [] ? warn_slowpath_common+0x65/0x7a [] ? sysfs_add_one+0x6e/0x83 [] ? warn_slowpath_fmt+0x26/0x2a [] ? sysfs_add_one+0x6e/0x83 [] ? create_dir+0x56/0x89 [] ? sysfs_create_dir+0x7f/0x94 [] ? kobject_add_internal+0xab/0x15a [] ? kobject_add_varg+0x31/0x3d [] ? kobject_add+0x43/0x49 [] ? device_add+0x8f/0x4c0 [] ? complete_all+0x35/0x3f [] ? device_pm_init+0x26/0x37 [] ? device_register+0x12/0x15 [] ? backlight_device_register+0xe4/0x133 [] ? intel_panel_setup_backlight+0x58/0xa1 [] ? intel_modeset_init+0xa46/0xbca [] ? i915_driver_load+0xab5/0xc0c [] ? drm_get_pci_dev+0x130/0x20f [] ? i915_pci_probe+0xd/0xf [] ? local_pci_probe+0xe/0x10 [] ? pci_device_probe+0x43/0x66 [] ? driver_probe_device+0x81/0xfd [] ? __driver_attach+0x43/0x5f [] ? bus_for_each_dev+0x3d/0x67 [] ? driver_attach+0x14/0x16 [] ? __driver_attach+0x0/0x5f [] ? bus_add_driver+0x9d/0x1cd [] ? driver_register+0x79/0xe0 [] ? __pci_register_driver+0x38/0x95 [] ? drm_pci_init+0x2d/0x85 [] ? drm_init+0x4c/0x4e [] ? i915_init+0x67/0x69 [] ? do_one_initcall+0x71/0x113 [] ? i915_init+0x0/0x69 [] ? kernel_init+0x109/0x185 [] ? kernel_init+0x0/0x185 [] ? kernel_thread_helper+0x6/0x10 ---[ end trace a1a080aaf8d35408 ]--- 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 2.6.38-rc1+ #47 Call Trace: [] ? kobject_add_internal+0x111/0x15a [] ? kobject_add_internal+0x132/0x15a [] ? kobject_add_varg+0x31/0x3d [] ? kobject_add+0x43/0x49 [] ? device_add+0x8f/0x4c0 [] ? complete_all+0x35/0x3f [] ? device_pm_init+0x26/0x37 [] ? device_register+0x12/0x15 [] ? backlight_device_register+0xe4/0x133 [] ? intel_panel_setup_backlight+0x58/0xa1 [] ? intel_modeset_init+0xa46/0xbca [] ? i915_driver_load+0xab5/0xc0c [] ? drm_get_pci_dev+0x130/0x20f [] ? i915_pci_probe+0xd/0xf [] ? local_pci_probe+0xe/0x10 [] ? pci_device_probe+0x43/0x66 [] ? driver_probe_device+0x81/0xfd [] ? __driver_attach+0x43/0x5f [] ? bus_for_each_dev+0x3d/0x67 [] ? driver_attach+0x14/0x16 [] ? __driver_attach+0x0/0x5f [] ? bus_add_driver+0x9d/0x1cd [] ? driver_register+0x79/0xe0 [] ? __pci_register_driver+0x38/0x95 [] ? drm_pci_init+0x2d/0x85 [] ? drm_init+0x4c/0x4e [] ? i915_init+0x67/0x69 [] ? do_one_initcall+0x71/0x113 [] ? i915_init+0x0/0x69 [] ? kernel_init+0x109/0x185 [] ? kernel_init+0x0/0x185 [] ? kernel_thread_helper+0x6/0x10 [drm:intel_panel_setup_backlight] *ERROR* Failed to register backlight: -17 vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [drm] initialized overlay support Console: switching to colour frame buffer device 170x48 fb0: inteldrmfb frame buffer device drm: registered panic notifier [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 Thanks, Ali