On 2012-09-18, Joseph <[email protected]> wrote:
> On 09/18/12 11:01, Michael Mol wrote:
>>>
>>> How do I check if some other application are not using serial port?
>>
>>lsof -n |grep /dev/tty
>>
>>--
>>:wq
>
> Nothing is using ttyS0
That has nothing to do with a permission error. If you had proper
permissions, you won't get a permission error even if something else
is using ttyS0.
> so I'm puzzled why virtualbox is giving me permission error
What happens when you do "cat /dev/ttyS0"?
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