In data lunedì 14 gennaio 2013 17:50:59, joeyli ha scritto: > 於 一，2013-01-14 於 09:13 +0100，Fabio Coatti 提到： > > > While looking at a different issue (rfkill), related to this commit: > > ==== > > > > > a57f7f9175b8ccbc9df83ac13860488913115de4 is the first bad commit > > > commit a57f7f9175b8ccbc9df83ac13860488913115de4 > > > Author: Bob Moore <robert.mo...@intel.com> > > > Date: Fri Aug 17 10:55:02 2012 +0800 > > > > > > ACPICA: Add Windows8/Server2012 string for _OSI method. > > > This change adds a new _OSI string, "Windows 2012" for both Windows 8 > > > and Windows Server 2012. > > > > > > >From Microsoft document "How to Identify the Windows Version in ACPI > > > > > > by Using _OSI", July 13, 2012. > > > > > > Signed-off-by: Bob Moore <robert.mo...@intel.com> > > > Signed-off-by: Feng Tang <feng.t...@intel.com> > > > Signed-off-by: Len Brown <len.br...@intel.com> > > > > ==== > > > > I discovered that reverting this commit (or, as suggested by joeyli > > <j...@suse.com>, booting with acpi_osi="!Windows 2012" ) also fixes > > the brightness issue. So it seems related to the same ACPI issue, now > > I wonder how it's happened that I got the wrong commit while > > bisecting. Sorry for the noise, now the issue is still there but makes > > more sense ):) > > Use "!Windows 2012" can fallback to Windows 2009 mode for workaround > rkfill button and brightness issue on your machine, but we still have > problem with Windows 2012 mode. > > That means we need spend more time to trace the dsdt stuff for guess > what's behavior on HP machine with Windows 8. > > > Thanks a lot! > Joey Lee
Just let me know if I can help in some way (always available for testing). Many thanks. -- Fabio -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
