Douglas Atique wrote: > I have used this laptop with SXCE since snv_69. I have noticed this > high battery consumption with more recent builds (say snv_100), but I > am not exactly sure which one. > I am not sure if cpupm is enabled. I didn't do anything to enable it. > Here is an output of powertop running on my machine.
Look at your /etc/power.conf file and see if you see a line like: cpupm enable Also, a line like: cpu-threshold 1s would be good. And make sure SpeedStep is enable in your BIOS setup. I assume that it is. Mark > > -- Douglas > > OpenSolaris PowerTOP version 1.1 > > Cn Avg residency P-states (frequencies) > C0 (cpu running) (15.8%) 1662 Mhz 100.0% > C1 1.3ms (84.2%) > > Wakeups-from-idle per second: 660.8 interval: 5.1s > no ACPI power usage estimate available > > Top causes for wakeups: > 40.0% (264.3) <kernel> : genunix`cv_wakeup > 15.1% (100.0) <kernel> : genunix`clock > 13.4% ( 88.4) <interrupt> : ath#0 > 7.1% ( 47.2) <interrupt> : i8042#0 > 5.7% ( 37.5) sched : <cross calls> > 3.9% ( 26.0) <kernel> : genunix`realitexpire > 1.8% ( 11.7) <kernel> : > uhci`uhci_handle_root_hub_status_change > 1.5% ( 10.1) <kernel> : ata`ghd_timeout > 0.7% ( 4.9) <kernel> : myk`gem_mii_link_watcher > 0.7% ( 4.7) <kernel> : genunix`lwp_timer_timeout > > > > > > On Tue, Feb 3, 2009 at 1:09 PM, Li, Aubrey <aubrey.li > <http://aubrey.li>@intel.com <http://intel.com>> wrote: > > Douglas Atique wrote: > > > Hi, > > > > I have a Sony Vaio VGN-N38Z laptop which used to work well for > > about 2 hours. > > Which build did you use to make your laptop working well for about 2 > hours? > > >However, in the latest SXCE builds (I use > > snv_105 now) I have noticed that once disconnected from AC > > power, the battery indicator in the Gnome bar starts to > > decrease almost like a clock and in about 20 minutes it is > > already asking me to recharge. I started suspecting that some > > power management-related change is the cause of this behavior > > because the laptop has been working warm all the time. > > > > Can I do something to diagnose a possible problem? If anyone > > wants to take a look, I offer my time for testing. Just let me know > > what I have to do. > > > > Cheers, > > Douglas > > Did you enable cpupm(speedstep)? What does powertop say? > > Thanks, > -Aubrey > > > ------------------------------------------------------------------------ > > _______________________________________________ > pm-discuss mailing list > pm-discuss at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/pm-discuss >
