And there is no process about ttySx

2011/1/12 jin&hitman&Barracuda <[email protected]>

> I know, how to kill process.
> But i tried and it doesn't work. Everything is same.
> i will try in init level 1. I'll back again. See you soon...
>
>
>
> 2011/1/12 Luis Mondesi <[email protected]>
>
>> It looks like you simply need to close the process that's using the serial
>> port.
>>
>> If you don't know how to do this, and this is a desktop, you can simply
>> reboot it.
>>
>> On Jan 12, 2011, at 1:36 PM, jin&hitman&Barracuda wrote:
>>
>> Hi
>> Thanks for answer.
>> Here is the command results
>>
>> *fatal...@squeeze:~$ dmesg | grep ttyS
>> [    0.480071] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>> [    0.480323] 00:05: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A*
>>
>> *sudo su
>> r...@squeeze:/home/fatality# cu -l /dev/ttyS0 -s 9600
>> cu: open (/dev/ttyS0): Permission denied
>> cu: /dev/ttyS0: Line in use*
>>
>> *r...@squeeze:/home/fatality# cu -l /dev/ttyS1 -s 9600
>> cu: open (/dev/ttyS1): Permission denied
>> cu: /dev/ttyS1: Line in use*
>>
>>
>> *r...@squeeze:/home/fatality# id fatality
>> uid=1000(fatality) gid=1000(fatality)
>> groups=1000(fatality),4(adm),20(dialout),21(fax),24(cdrom),25(floppy),26(tape),29(audio),30(dip),44(video),46(plugdev),105(fuse),107(powerdev),110(netdev),116(lpadmin),117(vboxusers),123(scanner)
>> *
>> Same command results with non-root user
>> fatal...@squeeze:~$ cu -l /dev/ttyS0 -s 9600 -d
>> cu: open (/dev/ttyS0): Permission denied
>> cu: /dev/ttyS0: Line in use
>>
>> *Some extra info:
>> r...@squeeze:/home/fatality# cat /proc/tty/driver/serial
>> serinfo:1.0 driver revision:
>> 0: uart:16550A port:000003F8 irq:4 tx:0 rx:0
>> 1: uart:unknown port:000002F8 irq:3
>> 2: uart:unknown port:000003E8 irq:4
>> 3: uart:unknown port:000002E8 irq:3
>> *
>>
>> Thanks again
>>
>>
>>
>> 2011/1/12 Luis Mondesi <[email protected]>
>>
>>> 1. are you a member of the group that owns your serial port (/dev/ttyS0
>>> or ttyS1?)
>>> 2. what if you use "cu" like: cu -l /dev/ttyS0 -s 9600
>>> 3. what did your kernel think is the ttyS* port? (grep ttyS
>>> /var/log/dmesg)
>>>
>>> It's possible that your udev rules are messed up somehow and you don't
>>> have the right special files. Verify everything first.
>>>
>>> On Jan 12, 2011, at 2:56 AM, jin&hitman&Barracuda wrote:
>>>
>>> Hi .
>>>
>>> I was working on my Cisco Router with serial port for configure the IOS.
>>> I can see the terminal results on the screen but i can not send any signal
>>> or character with keyboard on Minicom 2.4.
>>> I'm still using the same cable on other os (RedHat, OpenBSD, win...) and
>>> it is working. I sent some order, character and signal same cable.  There is
>>> a status bar on the minicom and allways writing "Offline" marked with red
>>> color.
>>> After some hours, i changed my mind, now  i'm using cutecom. But it
>>> doesn't work. every thing still same it was.
>>>
>>> Please, Can anyone tell me what is problem/s?
>>> I'm using Squueze. Have nice day.
>>> Thanks, Fatih
>>> --
>>>
>>> --
>>> From HemiB A R R A C U D A !
>>>
>>>
>>>  --
>>> Luis Mondesi
>>> [email protected]
>>>
>>>
>>>
>>>
>>>
>>
>>
>> --
>> From HemiB A R R A C U D A !
>>
>>
>>  --
>> Luis Mondesi
>> [email protected]
>>
>>
>>
>>
>>
>
>
> --
> From HemiB A R R A C U D A !
>



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>From HemiB A R R A C U D A !

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