-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Leo L. Schwab wrote: > I have a Sony Vaio VGN-S150 laptop that has been displaying odd > behavior in reporting available battery power. While left charging, the > system sometimes reports low or no energy remaining in the battery until > it's fully charged, then reports 100%. > > Today I had occasion to run the battery to zero. I then plugged in > the AC adapter and freshly cold-booted the machine. The ACPI meter > persistently reported zero percent power available for well over an hour > before it finally jumped to 100%, after the battery was fully charged. > > It seems to indulge in this strange behavior when the battery is > drained to about 30% or lower. Here's a copy of an 'acpitool' report while > it was "empty" but charging: > > ---- > [EMAIL PROTECTED]:~$ acpitool -e > Kernel version : 2.6.17 - ACPI version : 20060127 > ----------------------------------------------------------- > Battery #1 : present > Remaining capacity : 0 mWh, 0.00%, 05:34:55 > Design capacity : 53280 mWh > Last full capacity : 41580 mWh, 78.0% of design capacity > Capacity loss : 22.0% > Present rate : 7449 mW > Charging state : charging > Battery type : non-recharge, LION > > AC adapter : on-line > Fan : <not available> > > CPU type : Intel(R) Pentium(R) M processor 1.60GHz > CPU speed : 600.000 MHz > Cache size : 2048 KB > Bogomips : 1198.35 > Processor ID : 0 > Bus mastering control : yes > Power management : yes > Throttling control : yes > Limit interface : yes > Active C-state : C2 > C-states (incl. C0) : 3 > Usage of state C1 : 10 (0.0 %) > Usage of state C2 : 3216278 (100.0 %) > T-state count : 8 > Active T-state : T0 > > Thermal zone 1 : ok, 42 C > Trip points : > ------------- > critical (S5): 100 C > passive: 90 C: tc1=1 tc2=2 tsp=50 devices=0xc1479620 > > > Device Sleep state Status > --------------------------------------- > 1. PWRB 4 * enabled > 2. PCIB 3 disabled > 3. LANC 3 disabled > 4. EC0 5 disabled > 5. USB0 3 disabled > 6. USB1 3 disabled > 7. USB2 3 disabled > 8. USB7 3 disabled > 9. MODM 3 disabled > ---- > > I'd replace the battery, but the prices for Sony-branded batteries > are particularly usurious (and, with even OEM batteries exploding left and > right, I'm not at all interested in going aftermarket). > > Has anyone seen anything like this before? > > Schwab > >
Greetings Leo: The ACPI system just reports back what the battery is telling it. All of the information in your Battery #1 category is straight from the cell. With a 22% capacity loss, you're probably looking at a new battery sooner than later anyway. - -Scott -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFI62eS7FYdPX6+iYRAo/OAJ9IjHKRMZRoxhqLN4EEYTO1rjOGXgCeLPz2 RSpZ6duWekxRdBXSsOpTKnA= =eYUn -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]