Hardware Growler says on UPS when actually on AC

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What steps will reproduce the problem?
1.Reboot the iMac 
2.Restart Hardware Growler

What is the expected output?
Should say "On AC power" or maybe nothing.

What do you see instead?
Display says on "UPS Power".

What version of the product are you using? On what operating system?

Hardware Growler 1.3b1 and Growl 1.3 OSX Lion 10.7.2 on a 8,1 iMac with 6 GB 
Ram 24" with and external display.

Please provide any additional information below.

Original issue reported on code.google.com by j...@waxman.org on 16 Oct 2011 at 12:13

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I have done additional research into this problem to see if it is limited to 
just the iMac, and it is! I did the following to prove this.
1. Plugged my MacBook Pro into the UPS
2. Booted the MacBook pro

The expected output was as expected "On A/C power then when I unplugged the 
chord it said "On Battery Power" then replugged and recevied "Power Status 
Change on A/C Power"

So I received no "On UPS Power as I do on the iMac. So my theory is correct it 
is related to the iMac with built in power supply and the UPS. I have rebooted 
the iMac many times and still get on "UPS Power"

Original comment by j...@waxman.org on 16 Oct 2011 at 2:33

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I think I figured out what causes the problem on the iMac, but not a way to fix 
it. The cause is that the APC UPS is connected to the iMac via USB and there is 
a delay in polling of the USB port so it lags behind Hardware Growler sending 
out notifications. So to make it simple Hardware Growler sees the iMac on UPS 
because the iMac didn't poll the UPS fast enough. Maybe if there was a delay in 
Hardware Growler reading power status to the end then this would not happen.

Original comment by j...@waxman.org on 16 Oct 2011 at 2:46

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Original comment by ch...@growl.info on 17 Oct 2011 at 9:05

• Added labels: Product-HardwareGrowler

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Not sure what else I can provide, other than it seems like a defect.

Original comment by j...@waxman.org on 17 Oct 2011 at 9:11

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I don't think we need anything else for now.

It's not going to be worked on for 1.3. We'll prioritize it towards a later 
release though. Thanks Joel. :)

Original comment by ch...@growl.info on 17 Oct 2011 at 9:22

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retest using beta 2 and confirm if [a6cf7c0d54e8] fixed it.

Original comment by rarich...@gmail.com on 18 Oct 2011 at 3:16

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OK great waiting for Beta 2.

Original comment by j...@waxman.org on 18 Oct 2011 at 5:44

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Installed Hardware Growler Beta 2 and UPS problems are still present but in a 
different way. Today I contacted APC my UPS manufacturer support and together 
we put the UPS on battery power via test mode. Alerts from Growl were not seen 
but alerts from OSX 10.7.2 power preferences was seen. There was also no Growl 
alert when returning to AC Power.

Original comment by j...@waxman.org on 21 Oct 2011 at 6:36

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joel confirmed fixed in the version we submitted.

Original comment by rarich...@gmail.com on 3 Nov 2011 at 9:55

• Changed state: FixedInSource
• Added labels: Milestone-1.3

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Original comment by ch...@growl.info on 11 Jan 2013 at 6:56

• Changed state: Fixed