I have Ubuntu Lucid 10.04 installed on my Desktop and I have a PCI serial card in my computer and it has only one serial port.
Actually I want to use this serial port for the serial communication and for that I executed this command :
and I got this as output:
in this it is showing that my serisl port named /dev/ttyS0 is busy and can't be used for the serial communication.
But it is happening from past couple of days, and before that everything was just fine and on the execution of the previous command it was giving this as output:
So now what is this happening ...........................
I also googled a lot and got various hints but nothing worked well , and I tried to know whether the interrupt no. 16 being used by some other device than for that I checked the /proc/interrupts file and got the following result:
~
~
~
~
In this file I saw that the serial port and the Intel HDA both are using the same interrupt no 16 and therefore I think the serial port is not responding or is busy.
I checked the other serial port /dev/ttyS1 with the same IRQ 16 and executed this command :
and got the following result:
So this was free and I tried to use it.
So I tried to switch over to other serial port by running the following command:
and the result was this:
So I tried to use it and when I did this the system gets shutdown.
I tried this with the other two ports also but got nothing working and the system shuts down in each case and the result obtained all the time was same :
So I want to know how I can troubleshoot this problem .......please help me out of this .
mount -f nfs 1234:/export/ert /der/fr/ert
mount : /der/fr/ert: device busy
normally I will then do an
fuser filesystem
and kill the pids, which I did.
now if I do an fuser /der/fr/ert
I get the mount point and no pid
> fuser /der/fr/ert
/der/fr/ert:
but it... (1 Reply)
Hi,
Unable to make tape backup, please help.
/opt/ignite/bin/make_tape_recovery -a /dev/rmt/?mn -I -v -m tar -x inc_entire=vg00
* Creating local directories for configuration files and archive.
======= 04/25/16 16:28:08 IST Started /opt/ignite/bin/make_tape_recovery.
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Hi Everyone,
I am trying to remove a directory:
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Hello!!!
My problem is: i'm trying to send At commands from Pc to mobile phone using bluetooth and cygwin and i would like to read the device's answers on the shell bash. And so, i open two terminals in this way:
xterm &
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Ciao a tutti!!!
il mio problema è questo: sto cercando di inviare dei comandi AT da PC a cellulare utilizzando il bluetooth e cygwin e vorrei visualizzare le risposte nella shell bash. Per farlo apro due terminali utilizzando le seguente istruzioni:
xterm &
Sul primo scrivo
cat /dev/ttyS2
... (1 Reply)
Ciao a tutti!!!
il mio problema è questo: sto cercando di inviare dei comandi AT da PC a cellulare utilizzando il bluetooth e cygwin e vorrei visualizzare le risposte nella shell bash. Per farlo apro due terminali utilizzando le seguente istruzioni:
xterm &
Sul primo scrivo
cat /dev/ttyS2
... (0 Replies)
Hi,
I'm trying to do a sharity mount to mount a terastation network drive.
I'm getting a Device or resource busy message after my mount command. Please see output below...
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Device or resource busy.... (2 Replies)
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/data/oracle/GMPSHRDM/export:
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