what is this message means "attempted to close a non-present device bus-0******" - General Discussion and Assistance - CHDK Forum
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what is this message means "attempted to close a non-present device bus-0******"

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Offline cdg

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what is this message means "attempted to close a non-present device bus-0******"
« on: 30 / April / 2017, 20:32:31 »
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Hello there:
   What is "attempted to close a non-present device bus-0:\\******" means ?   This message [size=78%]sometime even come out with no camera turns on .[/size]
[/size][size=78%]   and with this message come out sometime i still could control cameras （I have 8 cameras），sometime it's lose connection，then i need to reconnect all the cameras，but sometime fail again.[/size]
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[/size][size=78%]thanks for the help!!![/size]
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Offline reyalp

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Re: what is this message means "attempted to close a non-present device bus-0******"
« Reply #1 on: 30 / April / 2017, 20:52:14 »
It means that a camera chdkptp thought was connected was not connected when chdkptp exited.

You will see this if have chdkptp connected, you turn off the camera, and then immediately quit chdkptp without issuing any other commands. By itself, it doesn't indicate any specific problem, but you might see it if the camera had crashed.
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Offline cdg

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Re: what is this message means "attempted to close a non-present device bus-0******"
« Reply #2 on: 01 / May / 2017, 03:11:48 »
Quote from: reyalp on 30 / April / 2017, 20:52:14
It means that a camera chdkptp thought was connected was not connected when chdkptp exited.

You will see this if have chdkptp connected, you turn off the camera, and then immediately quit chdkptp without issuing any other commands. By itself, it doesn't indicate any specific problem, but you might see it if the camera had crashed.


Thank you ！
So i will ignore it.
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