On Mon, 2009-06-01 at 05:42 +0800, Matthew Palmer wrote: > [Please Cc me; I'm not subscribed to the list] > > Hi, Will you please check whether the output of "cat /proc/acpi/battery/*/*" is normal? Of course you can open a new bug at http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI and attach the output of acpidump, "cat /proc/acpi/battery/*/*". Thanks. > > I've just bought a Lenovo S10e ideapad, and it's going nicely except that > /sys/class/power_supply/BAT0/charge_full is 0, rather than something > pleasantly large and reassuring. This is causing battery monitors to > produce all sorts of crazy results. The rest of the battery parameters seem > OK (nothing abnormally 0 in uevent), including charge_full_design. I've > charged and dischaged the battery a couple of times, just to make sure it's > not some sort of "initialisation" problem. > > I've tried with both 2.6.26-2 (out of Debian Lenny), and also 2.6.29-2 (from > Debian Sid), and the results are the same. I'd try a git tree kernel, but > wihch one? Linus' tree? The Linux ACPI tree? If anyone recognises this > problem and can point me at a likely candidate for a fix, I'm happy to try > it out, but randomly firing away at kernel trees, given the likely build > speed on this little netbook, is likely to be an exercise in frustration. > > Failing that, does anyone have any pointers as to where I could start in > tracking this down? It seems like it'll be a fairly straightforward bug -- > the driver's probably just looking in the wrong place for the value, and > needs a re-education. I'm completely unfamiliar with ACPI and the kernel > code relating to ACPI, though, so perhaps it's a lot more complicated than > that. Worst case, if all else fails, I'm thinking that a "fix" might be to > check if charge_full == 0, and if so use charge_full_design. It's ugly, but > better than the current (hah!) situation. > > - Matt > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
