I see this sometimes as well (like a couple of minutes ago) on a T60p running Fedora 8. I've dug around to try to find a reason, but I've never found one that I can use to alleviate the problem. It may be related to the graphics card - right now mine is running at 85degreesC.
If you find out anything, let me know. There are threads in the powertop mailing list that may be about this: http://www.bughost.org/pipermail/power/2007-May/000337.html http://www.bughost.org/pipermail/power/2007-October/000998.html peter Barteq wrote: > Hello. > > I've got problem with the newst ubuntu disribution Hardy Heron. It's based > on kernel 2.6.24 (exactly 2.6.24-12-generic - x86). Ubuntu used to be a > good choice for laptop but after seeing powertop result I'm thinking about > distor change.. > > Please look at the results. It's an idle system with xorg running. Machine > is T8300 based lenovo t61 with nvidia NVS 140M graphics card. Wifi is > intel 4965 card with iwl 1.2.0 driver. Power usage was about 16W on older > kernel, but now it is 22 up to 25W in idle. Additional abiility to get > into C3 is closed to 0. Of course sometimes it works quite nice, but after > some minutes it's ALWAYS getting wired. Do you noticed such a problem with > this kernel? I've googled this issue many times but with no success.. It's > also on ubuntu launchpad reported as a bug with 'in progress' state - > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/177895 > > PowerTOP 1.9 (C) 2007 Intel Corporation > > Collecting data for 15 seconds > Cn Avg residency > C0 (cpu running) (46,5%) > C1 0,0ms ( 0,0%) > C2 0,0ms (49,7%) > C3 0,0ms ( 3,8%) > P-states (frequencies) > 2,41 Ghz 0,7% > 2,40 Ghz 0,0% > 2,00 Ghz 0,0% > 800 Mhz 99,3% > Wakeups-from-idle per second : 40905,2 interval: 15,0s > Power usage (ACPI estimate): 22,9W (1,6 hours) > Top causes for wakeups: > 92,9% (2641,7) <kernel IPI> : Rescheduling interrupts > 1,9% ( 54,4) <interrupt> : acpi > 1,7% ( 48,3) <interrupt> : extra timer interrupt > 1,4% ( 40,3) opera : schedule_timeout (process_timeout) > 0,7% ( 20,3) <interrupt> : iwl4965 > 0,4% ( 10,6) <interrupt> : ahci > 0,3% ( 8,0) <kernel module> : usb_hcd_poll_rh_status (rh_timer_func) > 0,1% ( 1,9) gnome-terminal : schedule_timeout (process_timeout) > 0,1% ( 1,7) wpa_supplicant : schedule_timeout (process_timeout) > 0,1% ( 1,5) <interrupt> : PS/2 keyboard/mouse/touchpad > 0,0% ( 1,3) kcryptd : blk_plug_device (blk_unplug_timeout) > 0,0% ( 1,1) <kernel IPI> : TLB shootdowns > 0,0% ( 1,0) <interrupt> : uhci_hcd:usb5, yenta, nvidia > 0,0% ( 1,0) Xorg : nv_start_rc_timer (nv_kern_rc_timer) > 0,0% ( 1,0) dhcdbd : schedule_timeout (process_timeout) > 0,0% ( 1,0) cpufreq-applet : schedule_timeout (process_timeout) > 0,0% ( 1,0) nm-applet : schedule_timeout (process_timeout) > 0,0% ( 0,9) NetworkManager : schedule_timeout (process_timeout) > 0,0% ( 0,9) sensors-applet : schedule_timeout (process_timeout) > 0,0% ( 0,6) pulseaudio : schedule_timeout (process_timeout) > 0,0% ( 0,5) iwl4965 : ieee80211_sta_work > (ieee80211_sta_timer) > 0,0% ( 0,5) <interrupt> : eth0 > 0,0% ( 0,5) <kernel module> : neigh_table_init_no_netlink > (neigh_periodic_timer) > 0,0% ( 0,5) NetworkManager : e1000_intr_msi (e1000_watchdog) > 0,0% ( 0,4) gnome-panel : schedule_timeout (process_timeout) > 0,0% ( 0,4) <kernel core> : neigh_table_init_no_netlink > (neigh_periodic_timer) > 0,0% ( 0,3) syslogd : schedule_timeout (process_timeout) > 0,0% ( 0,3) gnome-power-man : schedule_timeout (process_timeout) > 0,0% ( 0,2) update-notifier : schedule_timeout (process_timeout) > 0,0% ( 0,1) Xorg : do_setitimer (it_real_fn) > 0,0% ( 0,1) sm-notify : do_journal_end (delayed_work_timer_fn) > 0,0% ( 0,1) operapluginclea : schedule_timeout (process_timeout) > 0,0% ( 0,1) metacity : schedule_timeout (process_timeout) > 0,0% ( 0,1) Xorg : schedule_timeout (process_timeout) > 0,0% ( 0,1) <kernel core> : page_writeback_init (wb_timer_fn) > 0,0% ( 0,1) gnome-volume-ma : schedule_timeout (process_timeout) > 0,0% ( 0,1) <kernel core> : end_that_request_last (laptop_timer_fn) > 0,0% ( 0,1) iwl4965/0 : sta_info_start (sta_info_cleanup) > 0,0% ( 0,1) <kernel core> : ndisc_dst_alloc (fib6_run_gc) > 0,0% ( 0,1) Xorg : neigh_update (neigh_timer_handler) > > Regards, > barteq > > _______________________________________________ > Power mailing list > [email protected] > http://www.bughost.org/mailman/listinfo/power > > _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
