Date: Wed, 03 Apr 2013 11:36:35 -0400 From: Andre Goree <andre@drenet.info> To: Ian Smith <smithi@nimnet.asn.au> Cc: freebsd-mobile@freebsd.org Subject: Re: Two batteries recognized Message-ID: <515C4C83.2040502@drenet.info> In-Reply-To: <20130403204012.C56386@sola.nimnet.asn.au> References: <op.wuybipm9qdqf40@localhost.localdomain> <20130403204012.C56386@sola.nimnet.asn.au>
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On 04/03/13 05:55, Ian Smith wrote: > On Wed, 3 Apr 2013 02:12:15 -0400, Andre Goree wrote: > > For some reason, acpi is recognizing two batteries, though my system has only > > one. I've searched Google but haven't really found a way to rectify this. > > Any ideas? Here's some information that may help, let me know if there's > > other things I can provide: > > > > [root@dlaptop ~]# sysctl -a | grep battery > > hw.acpi.battery.life: 81 > > hw.acpi.battery.time: -1 > > hw.acpi.battery.state: 2 > > hw.acpi.battery.units: 2 > > hw.acpi.battery.info_expire: 5 > > dev.battery.0.%desc: ACPI Control Method Battery > > dev.battery.0.%driver: battery > > dev.battery.0.%location: handle=\_SB_.BAT0 > > dev.battery.0.%pnpinfo: _HID=PNP0C0A _UID=1 > > dev.battery.0.%parent: acpi0 > > dev.battery.1.%desc: ACPI Control Method Battery > > dev.battery.1.%driver: battery > > dev.battery.1.%location: handle=\_SB_.BAT1 > > dev.battery.1.%pnpinfo: _HID=PNP0C0A _UID=2 > > dev.battery.1.%parent: acpi0 > > You don't say what make/model laptop, though your acpiconf suggests some > sort of Dell. Many laptops have the capacity to add a second battery, > sometimes instead of a CD/DVD or extra hard drive in a bay. The above > output doesn't indicate that there are two fitted, just the capacity for > managing two in the ACPI/BIOS. > > 'bat0' and 'bat1' used below are not valid battery descriptors, specify > only '0' or '1'. Yes, acpiconf(8) should be a lot clearer about that. > > Specifying any invalid string always gets you info for battery 0, ie is > equivalent to 'acpiconf -i0', which is why the results below are both > the same down to the serial numbers and present charge rate and voltage. > > If 'acpiconf -i 1' shows other than 'Device not configured' you might > indeed have some issue. > > cheers, Ian > > > [root@dlaptop ~]# acpiconf -i bat0 > > Design capacity: 5200 mAh > > Last full capacity: 4677 mAh > > Technology: secondary (rechargeable) > > Design voltage: 11100 mV > > Capacity (warn): 520 mAh > > Capacity (low): 157 mAh > > Low/warn granularity: 52 mAh > > Warn/full granularity: 52 mAh > > Model number: DELL PT43693 > > Serial number: 37449 > > Type: LION > > OEM info: Samsung SDI > > State: charging > > Remaining capacity: 77% > > Remaining time: unknown > > Present rate: 2692 mA (33359 mW) > > Present voltage: 12392 mV > > > > [root@dlaptop ~]# acpiconf -i bat1 > > Design capacity: 5200 mAh > > Last full capacity: 4677 mAh > > Technology: secondary (rechargeable) > > Design voltage: 11100 mV > > Capacity (warn): 520 mAh > > Capacity (low): 157 mAh > > Low/warn granularity: 52 mAh > > Warn/full granularity: 52 mAh > > Model number: DELL PT43693 > > Serial number: 37449 > > Type: LION > > OEM info: Samsung SDI > > State: charging > > Remaining capacity: 77% > > Remaining time: unknown > > Present rate: 2692 mA (33359 mW) > > Present voltage: 12392 mV > > > > -- > > Andre Goree > > andre@drenet.info > Thanks! I will check this when I get home (currently slaving at work :P). The model is a Dell Latitude E6400. -- Andre Goree andre@drenet.info
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