On Thursday 08 February 2007 21:47, Sascha Heid wrote: > Hi List! > > > i recently got a Lenovo X60T, installed Gentoo Linux, and since then i > am trying to figure out why i miss 2h of battery-life compared to > Windows-Users. After a while i noticed that the Bus-Master-Activity on > CPU1 is ffffffff when its idle and only drops if i give it some work to > do (like a kernel compile with make -j3) > When i put some load on both cores the Bus Master Activity of CPU1 is > normalizing itself and varies according to the load. > When i leave the Laptop idle for a while it gets actually hotter (60C) > then when i use it (44C). > The CPU is not able to stay in C3, it tries but comes back to C2 within > the second, i assume that is because of the high Bus Master Activity of > CPU1? > > I have already looked for help about this on various forums and mailing > lists and i talked to other people with CoreDuo's and they do not have > this issue with the Bus Master Activity. > > I tried alot of different kernels (2.6.19 and 2.6.20) and setups or used > preconfigured Kernels or even Live-Distros. > I also booted a *very* minimal Gentoo-Linux setup, no WLAN, no USB, no X > etc., and played with the BIOS-Settings (disabling as much as possible), > and now i am at a point where i really dont know what to do anymore and > i fear that im not getting any answers anywhere. > > If anyone has any advice, information or would like to see some logs or > configs, i would be very gratefull. > > Greetings from Germany, > Sascha Try disconnecting usb devices until lsusb shows nothing. cheers from Boston, -Len - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html