On Tue, Feb 10, 2009 at 12:13 AM, Paul B. Mahol <[email protected]> wrote:
> On 2/4/09, Andreas Nilsson <[email protected]> wrote: > > Hi, > > > > I've been experiencing some weird behavior with the ipw3945 on my laptop > > running FreeBSD 7.1-RELEASE. When running on AC the card works as > expected, > > but when running unplugged the interface keeps going down and up and > down. I > > get ~10 consecutive pings before it goes down. > > > > The networks I have tested are encrypted with some WPA protocol. > > > > When starting on battery there are also some other strange behavior, > there > > are some lock-ups in the gui and xorg uses some 14% cpu @1.2GHz doing > > nothing, When the mouse has been idle for some seconds it takes a bit of > > movement to activate again. After a plug and unplug of the AC everything > > seems to work as it is supposed to. > > > > I realize this isn't very much to go on... Any logs that would help? > > > > The laptop in question is a Lenovo Thinkpad t61p. > > > > Best regards > > Andreas Nilsson > > _______________________________________________ > > [email protected] mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > > To unsubscribe, send any mail to " > [email protected]" > > > > Are you using powerd? Perhaps CPU cx states are changed? > > -- > Paul > I am using powerd, and CPU cx states are probably beeing changed. I set the corresponding tunables to allow the CPUs (cores) to reach C3. Before I started using C3 on a regular basis I did some tesing and I didn't notice any difference in connectivity. When running on AC the connection works for a while ( a random amount of time ) , but then the carrier is lost. When running in school I get really low transfer speed, somewhere around 200Kb/s from a computer in a room next door. When running on linux I get around 1+Mb/s from the same computer. Best regards Andreas Nilsson _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hardware To unsubscribe, send any mail to "[email protected]"
