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[Bug 629258] Re: Battery life estimation never comes around

To: registry@xxxxxxxxxxxxxxxxxxx
From: chrome <629258@xxxxxxxxxxxxxxxxxx>
Date: Sat, 23 Oct 2010 21:31:08 -0000
Reply-to: Bug 629258 <629258@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I have the same problem on HP dv6-1308ew. I think the main reason of
this problem is something more low-level than OS -  hardware or BIOS,
because it is also broken on Windows.

On my previous laptop (Acer), I got time estimation working well on both
Linux and Windows. When I switched to HP, it doesn't work on neither.
Both Windows and Ubuntu showed percent left only (9.10 at the time I
switched, and later versions).

Also interesting fact is, that on Acer I had working electric current
meter (/sys/class/power_supply/BAT0/current_now), but on HP there is
always -1000.

I'm not sure if it is duty of BIOS to report the remaining battery time,
but if it is, I suppose this bios doesn't support it. The bios is
InsydeH20 EFI or something like that. On Acer I had Phoenix.

-- 
Battery life estimation never comes around
https://bugs.launchpad.net/bugs/629258
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