From: Pedro V. <pj...@me...> - 2004-12-30 16:35:45
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Bruno Ducrot wrote: > On Tue, Dec 28, 2004 at 10:26:53PM +0100, Dominik Brodowski wrote: >=20 >>On Tue, Dec 28, 2004 at 09:32:00PM +0100, Johan Vromans wrote: >> >>>Hi, >>> >>>On my Acer Travelmate 4000WLMi, with various 2.6.9 and 2.6.10 kernels >>>and patch sets, I keep getting the following message: >>> >>> speedstep-centrino: invalid ACPI data >>> speedstep-centrino: no table support for CPU model "Intel(R) Pentium= (R) M processor 1.50GHz":=20 >>> >>>(Some kernels report "Invalid control/status registers" instead of >>>"invalid ACPI data"). >>> >>>My latest attempt was the stock 2.6.10 kernel, with ACPI patch set >>>acpi-20041210-2.6.10-rc3.diff, and a fixed DSDT. Still no success. >>> >>>Any help is appreciated. >> >>It looks like your notebook's BIOS does not report sufficient data to t= he >>speedstep-centrino cpufreq driver. Does the acpi-cpufreq driver work >>instead? >> >=20 >=20 > After looking the DSDT, this laptop do not support the _PDC switch, so > the cpufreq-centrino driver will not work. But it should work with the > acpi io driver though. >=20 > This also mean there is no way to get the ondemand governor (or any DV= S > requiring low latency driver) to work with this one (unless hardcoding > a table in the cpufreq-centrino). > > There is no _CST also, this means there is no C4 support :( > sorry for interrupting thread flow, but I didn't understand this one... I'm running on a tmate 4001 WLMi with speedstep-centrino driver and ondem= and=20 governor. I don't see any problems... the clock scales correctly and fast... Is it=20 possible to have a different DSDT from dominik's? regards, pedro venda. --=20 Pedro Jo=E3o Lopes Venda email: pj...@me... http://arrakis.dhis.org |