From mboxrd@z Thu Jan 1 00:00:00 1970 From: joeyli Subject: Re: Fwd: Brightness on HP EliteBook 8460p Date: Fri, 20 Jan 2012 11:12:18 +0800 Message-ID: <1327029139.15960.80.camel@linux-s257.site> References: <3123346.jTQFjj4kVk@pali-elitebook> <1324440344.10394.444.camel@linux-s257.site> <9136713.SR1vWBOW6T@pali-elitebook> <2185391.v0fsgiUWSx@pali> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <2185391.v0fsgiUWSx@pali> Sender: platform-driver-x86-owner@vger.kernel.org To: Pali =?ISO-8859-1?Q?Roh=E1r?= Cc: linux-acpi@vger.kernel.org, platform-driver-x86@vger.kernel.org List-Id: linux-acpi@vger.kernel.org Hi Pali,=20 Sorry for I am late reply you. =E6=96=BC =E4=BA=8C=EF=BC=8C2012-01-17 =E6=96=BC 19:10 +0100=EF=BC=8CPa= li Roh=C3=A1r =E6=8F=90=E5=88=B0=EF=BC=9A > On Wednesday 21 December 2011 12:45:07 Pali Roh=C3=A1r wrote: > > Hello, > >=20 > > I tried to boot with all 3 strings in acpi_os_name, but nothing was= changed. > > I'm attaching dmesg outputs, one from BIOS mode, one from UEFI mode= =2E Both > > are with "Microsoft Windows NT". >=20 > Did you looked at my logs? >=20 > --=20 > Pali Roh=C3=A1r > pali.rohar@gmail.com I checked your dmesg log, found the acpi_os_name kernel parameter is : [ 0.000000] Command line: BOOT_IMAGE=3D/vmlinuz-3.2.0-4-generic root=3DUUID=3D4ec6272a-8551-40f3-a1b1-3e10984f3e69 ro pcie_aspm=3Dforce acpi.debug_level=3D0x2 acpi.debug_layer=3D0xFFFFFFFF "acpi_os_name=3DMi= crosoft Windows NT" splash vt.handoff=3D7 We still need by-pass the os name check in DSDT when test function key, please help to feed: acpi_os_name=3D"Windows 2009" And, looks like the acpi debug level not enough, please kindly change acpi debug parameter to: acpi.debug_level=3D0xF acpi.debug_layer=3D0xFFFFFFFF log_buf_len=3D5M summary: acpi.debug_level=3D0xF acpi.debug_layer=3D0xFFFFFFFF log_buf_len=3D5M = acpi_os_name=3D"Windows 2009" Thanks a lot! Joey Lee