Dnia 2012-02-04, sob o godzinie 10:52 -0600, Chris Bagwell pisze:
Chris,
irst of all - thanks for your comments!
> I've been monitoring battery topics lately (no pun intended :-) )
> because I'm adding adding similar logic to wacom_wac for wireless. I
> know that the function power_supply_powers() that is in stack trace is
> brand new (not in official kernel) and associates a power supply to a
> specific device (nice so GUI's don't think our wacom's are powering
> our machines).
It is in the mainline now [1]
> So I would suspect that feature first. Can you try deleting the two
> calls to that function and see if crash goes away?
I'm trying to figure out if theat's correct that Jeremy added twice the
same call: power_supply_powers(&wdata->battery, &hdev->dev); instead of:
power_supply_powers(&wdata->battery, &hdev->dev);
and
power_supply_powers(&wdata->ac, &hdev->dev);
It might be the reason - compiling now...
> I peeked in jikos's hid tree and the function looks like it registers
> a sysfs directory called "powers". I suspect its meant to be under
> the "wacom_battery" directory and thus the call needs to be moved
> *after* registering the battery device.
I'll test that as well.
> This looks needed even for graphire's to work.
Anyone with Graphire to test it?
[1] http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%
2Flinux.git&a=search&h=HEAD&st=grep&s=power_supply_powers
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