[Bug 9857] Missing power events on nondescript Sony laptop?

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Ubuntu (laptop) | linux





------- Additional Comments From mjg59 at codon.org.uk  2005-09-23 17:44 UTC -------
Acpid is not being sent a signal when you remove the power adapter. That means
that the bug is either in your laptop or in the kernel. Not acpid.

By the looks of it, AC notifications are sent under three circumstances

1) By the CHAC method
2) By the FLPA method
3) By the _Q20 method

CHAC and FLPA don't appear to be called anywhere, so I'm inclined to think that
_Q20 is what ought to be calling it. Based on your discussion in kernel bugzilla
4588, there are some kernel acpi issues surrounding features of that function.
If you're using the patch from there, do you get AC events? If so, then we'll
probably integrate it shortly after our next release (we're in kernel freeze
right now) - if not, then your best bet is going to be to open an upstream bug
on it.

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