Date: Thu, 11 Oct 2012 19:54:41 -0700 From: matt <sendtomatt@gmail.com> To: Erich Dollansky <erichfreebsdlist@ovitrap.com> Cc: freebsd-acpi@freebsd.org, =?UTF-8?B?0JvRjtCx0L7QvNC40YAg0JPRgNC40LPQvtGA0L7Qsg==?= <nm.knife@gmail.com>, freebsd-mobile@freebsd.org Subject: Re: x220 notes Message-ID: <50778671.9020703@gmail.com> In-Reply-To: <20121011094459.12ee1653@X220.ovitrap.com> References: <4E836C06.9070405@gmail.com> <CAHi1JseURymtf1ZoSNW00DF6QMkkasy1V%2BoXvF0A6-KMUqQ67w@mail.gmail.com> <4F7A8A99.4040603@gmail.com> <CAHi1Jsf9QhA%2BrcMSEt7egHsYtAv7j47jx-XN7_5CzdFfv4N9WQ@mail.gmail.com> <20120403210619.Q2060@sola.nimnet.asn.au> <CAHi1Jse2Hk3hkg9UF%2BSu%2BwrsrwnddhF%2BhqfYAvkKdHnrvWHQZQ@mail.gmail.com> <4F7DAAB0.2010206@gmail.com> <CAHi1Jsd-vAMXwe_HKTuFxEN3egpbAOT7b9krZy46jP_kBdLZ9Q@mail.gmail.com> <4F7E2D5C.3020506@gmail.com> <CAHi1JsfRQj2MRWtvhuEf_c5DF3306g1M20aef-crF_HY9cOPbQ@mail.gmail.com> <CAN6yY1suoEXwXf3vdAXSMr=tbbqB=pTkisA55CUMDj--tt4nrA@mail.gmail.com> <CAHi1Jsfj9=7_Sm8DXvu7aLqixTitv628CZWADh5cf2rgJKcfVg@mail.gmail.com> <CAHi1JsczUOuuKjVg4xhOLy4cz32ya2ahA6e56yaMaNdDgP7i6g@mail.gmail.com> <4F7F9504.1030405@gmail.com> <CAHi1JscbmOUDDJ4FH7VwJOjKLeNDxFJePt1Zvi8jOdYwa1vzxw@mail.gmail.com> <20120814102409.7dc335b8@X220.ovitrap.com> <CAHi1JseEEqxi-gwV1SKYenyfBpmaZEEnjL6=R1bjYjkfd8saTQ@mail.gmail.com> <20121011094459.12ee1653@X220.ovitrap.com>
index | next in thread | previous in thread | raw e-mail
On 10/10/12 19:44, Erich Dollansky wrote: > Hi, > > On Wed, 10 Oct 2012 16:26:58 -0700 > Любомир Григоров <nm.knife@gmail.com> wrote: > >> Hi, I am now running 10 HEAD with latest committed KMS patch. > I must admit that I did not update this machine since some time. >> I do not use currently suspend and resume on my X220. I use a script >>> for the brightness which makes it easy to handle for me. >>> >> I am still stuck with: >> - add LEN0086 to acpi_ibm >> - recompile >> - kldload acpi_call >> - acpi_call -p '\VBRC' -i n // n is 0-16 >> >> Can you share the script you have made, especially if you were able >> to bind hotkeys to it? >> > The scripts are still available here > > http://www.alogreentechnologies.com/freebsd/XonX220 > http://www.alogreentechnologies.com/freebsd/setbrightness > > I never tried to bind the script to keys. I made some menu items in > blackbox which works for me. >>> There is a fundamental problem with powerd which stops a notebook to >>> get better battery life time. powerd does not include the display >>> brightness and it does not inlcude user activities in its process to >>> regulate the CPU speed. In addition, the algorithm to find the best >>> CPU speed gets easily irritated with short bursts of peak >>> performance requirements. >>> >>> Erich >>> >> I do lose about 1-2 hours of battery time as opposed to Windows(I get >> 7-8 hours there) due to those same bursts of performance, despite >> running the adaptive profiles. My main concern is manual control of >> brightness though. >> > You lose only 1-2h? I lose at least 2h. > > I have had several tries to make it better but got always held up by > other things. > > My last attempts have still been with the Crusoe CPU. They gave the > machine near XP battery times but needed manual interaction. So, I > never published them. > > Erich > You've swapped the X220 cpu for something? Or a different machine? I find X does horrible things to battery usage on my X220. Getting into the lowest C state, and disabling ALL of the USB devices helps somewhat, as does setting a lower backlight level at boot (you can make an rc script, or catch the backlight buttons while the bios is still loading). Matthome | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?50778671.9020703>