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hi, when i type sudo dmesg | grep tty in terminal i got tty0 ,ttyACM0,ttyACM1 port found. bt when i restart the system & again type sudo dmesg | grep ...
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  1. 06-14-2011 #1
    jayendra
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    ACM0 & ACM1 not found

    hi,
    when i type
    sudo dmesg | grep tty in terminal
    i got tty0 ,ttyACM0,ttyACM1 port found.
    bt when i restart the system & again type
    sudo dmesg | grep tty in terminal
    i only get tty0 open.i want ttyACM0,ttyACM1 port also to be open.
    is there may b any reason for that.
    plz help me
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  2. 06-15-2011 #2
    atreyu
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    Are those ttyACM ports USB devices, by any chance? I had some devices that were USB temperature monitors and when plugged into a USB port on the computer, the character device /dev/ttyACM0 was assigned to it, but the system wouldn't create them unless "hot-plugged".
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  3. 06-15-2011 #3
    jayendra
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    thanks........i'll check.
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