Dear list,
thanks to the Debian packagers I updated to Powertop 1.11 today. (I will send in tests for the other thing (units for calculations) some other day.) Here is the new dump for the EeePC 4G and the USB device. Sorry that I did not change to English language. The dump was taken using an ssh-session and only GDM was running and nothing else done after boot. PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Sammle Daten für 15 Sekunden Cn Verweildauer C0 (Prozessor läuft) ( 0,9%) zyklisches AbfraC1 0,0ms ( 0,0%) C1 0,0ms ( 0,0%) C2 0,0ms ( 0,0%) C3 69,8ms (99,1%) P-States (Frequenzen) Aufwachen pro Sekunde : 14,3 Intervall: 15,0s Keine ACPI Stromverbrauch-Schätzung verfügbar Häufigste Ursachen für das Aufwachen: 64,1% ( 13,3) <interrupt> : uhci_hcd:usb4, HDA Intel, i...@pci:0000:00:02.0 8,0% ( 1,7) gdmlogin : schedule_timeout (process_timeout) 4,8% ( 1,0) ntpd : do_setitimer (it_real_fn) 4,8% ( 1,0) dhcdbd : schedule_timeout (process_timeout) 4,8% ( 1,0) Xorg : schedule_timeout (process_timeout) 2,6% ( 0,5) <Kernel Modul> : neigh_table_init_no_netlink (neigh_periodic_timer) 2,6% ( 0,5) <Kernel Kern> : schedule_delayed_work_on (delayed_work_timer_fn) 1,6% ( 0,3) <interrupt> : ata_piix 1,3% ( 0,3) <Kernel Kern> : neigh_table_init_no_netlink (neigh_periodic_timer) 1,0% ( 0,2) init : schedule_timeout (process_timeout) 1,0% ( 0,2) ifconfig : atl2_open (atl2_watchdog) 1,0% ( 0,2) events/0 : __netdev_watchdog_up (dev_watchdog) 0,3% ( 0,1) screen : do_setitimer (it_real_fn) 0,3% ( 0,1) sshd : sk_reset_timer (tcp_write_timer) 0,3% ( 0,1) <Kernel Kern> : neigh_add_timer (neigh_timer_handler) 0,3% ( 0,1) touch : start_this_handle (commit_timeout) 0,3% ( 0,1) hald : schedule_timeout (process_timeout) 0,3% ( 0,1) rsyslogd : schedule_timeout (process_timeout) 0,3% ( 0,1) <Kernel Kern> : page_writeback_init (wb_timer_fn) 0,3% ( 0,1) pdflush : blk_plug_device (blk_unplug_timeout) aktuelle "USB suspend" Statistiken Name des aktiven Gerätes 0,0% USB Gerät usb5 : EHCI Host Controller (Linux 2.6.26-1-686 ehci_hcd) 0,0% USB Gerät usb4 : UHCI Host Controller (Linux 2.6.26-1-686 uhci_hcd) 0,0% USB Gerät usb3 : UHCI Host Controller (Linux 2.6.26-1-686 uhci_hcd) 0,0% USB Gerät usb2 : UHCI Host Controller (Linux 2.6.26-1-686 uhci_hcd) 0,0% USB Gerät usb1 : UHCI Host Controller (Linux 2.6.26-1-686 uhci_hcd) Am Sonntag, den 23.11.2008, 09:11 -0700 schrieb Nathan Coulson: […] > I've been researching eeepc power reduction tweaks back when I had > some spare time, and I came up with the following suggestions. […] > * CONFIG_SND_HDA_POWER_SAVE=y & > CONFIG_SND_HDA_POWER_SAVE_DEFAULT=10: These are kernel configuration > options that will allow your soundcard to suspend itself when it has > not been used for 10 seconds. The above kernel configuration kernel > already has this enabled. So this seems to be the culprit. It is strange for me or new to me that these sound devices communicate using USB. I will test with those setting is some days on to see if it goes away. > These can also be found on http://www.nathancoulson.com/proj_eee.shtml > (Starting to get a little dated, but still good info) I forgot about this. A “Last edited” tag would be nice. Thanks to you all, Paul
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