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0e1f616
(Get the code!)
I have tested the 0.109-0hardy1 from hardy-proposed on a couple of laptops. (One had a count of 300000, I had it running continuously on AC for a couple of months. Bad.) The count is now stopped while on AC. It increases on battery even if I have laptop_mode enabled. BTW, what it exactly the function of point 5 in the test case? Shouldn't 6 and 7 work without 5 anyway?
While testing all this I had a bad crash with ata errors flowing in /proc/kmsg. I had to alt-sysrq-S-U-B and there's not much written in kern.log. Maybe this happened because of smartctl (I was running it with and without -d ata, and also on a WD drive over USB which didn't work), or because I already had laptop_mode enabled and a test version of acpi-support installed (both disabled/reverted before I did the test case though). It happened shortly after unplugging AC and running smartctl which hung. I hope it's only me and bad luck.
I think this is the single most important SRU I ever installed. Steve, thanks so much for sorting this out. I hope you will attack the whole acpi-support vs laptop-mode-tools and pm-utils interaction (mess?) while you're at it...