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Hello When I boot the laptop ThinkPad T440p with Ubuntu 14.04, I receive the following message: thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx See below a part of the log. (I did not send it right away, because I thought it will disappear with an update, but it did not, I still have the same messages). What does it mean? How can I get rid of this message? Thanks Edith Birrer _________________________________________________ Dec 7 15:41:22 Krypton-3 kernel: [ 1.331382] mei_me 0000:00:16.0: irq 46 for MSI/MSI-X Dec 7 15:41:22 Krypton-3 kernel: [ 1.338406] Non-volatile memory driver v1.3 Dec 7 15:41:22 Krypton-3 kernel: [ 1.338456] cfg80211: Calling CRDA to update world regulatory domain Dec 7 15:41:22 Krypton-3 kernel: [ 1.340358] thinkpad_acpi: ThinkPad ACPI Extras v0.25 Dec 7 15:41:22 Krypton-3 kernel: [ 1.340359] thinkpad_acpi: http://ibm-acpi.sf.net/ Dec 7 15:41:22 Krypton-3 kernel: [ 1.340360] thinkpad_acpi: ThinkPad BIOS GLET80WW (2.34 ), EC unknown Dec 7 15:41:22 Krypton-3 kernel: [ 1.340361] thinkpad_acpi: Lenovo ThinkPad T440p, model 20AWS37C00 Dec 7 15:41:22 Krypton-3 kernel: [ 1.340740] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx Dec 7 15:41:22 Krypton-3 kernel: [ 1.340784] thinkpad_acpi: radio switch found; radios are enabled Dec 7 15:41:22 Krypton-3 kernel: [ 1.340865] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver Dec 7 15:41:22 Krypton-3 kernel: [ 1.340866] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... Dec 7 15:41:22 Krypton-3 kernel: [ 1.341835] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked Dec 7 15:41:22 Krypton-3 kernel: [ 1.342206] thinkpad_acpi: Console audio control enabled, mode: monitor (read only) Dec 7 15:41:22 Krypton-3 kernel: [ 1.343432] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input7 Dec 7 15:41:22 Krypton-3 kernel: [ 1.344914] Intel(R) Wireless WiFi driver for Linux, in-tree: Dec 7 15:41:22 Krypton-3 kernel: [ 1.344917] Copyright(c) 2003-2013 Intel Corporation Dec 7 15:41:22 Krypton-3 kernel: [ 1.345138] iwlwifi 0000:04:00.0: irq 47 for MSI/MSI-X Dec 7 15:41:22 Krypton-3 kernel: [ 1.347843] [drm] Memory usable by graphics device = 2048M Dec 7 15:41:22 Krypton-3 kernel: [ 1.347848] checking generic (e0000000 7f0000) vs hw (e0000000 10000000) Dec 7 15:41:22 Krypton-3 kernel: [ 1.347850] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver Dec 7 15:41:22 Krypton-3 kernel: [ 1.347869] Console: switching to colour dummy device 80x25 |
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