From: f8arr <f8arr@f8arr.org>
To: "Bruno Tréguier" <Bruno.Treguier@shom.fr>
Cc: linux-hams <linux-hams@vger.kernel.org>
Subject: Re: Issue with RS232 <-> USB adaptor (FC15)
Date: Tue, 14 Jun 2011 23:20:34 +0200 [thread overview]
Message-ID: <4DF7D0A2.7030507@f8arr.org> (raw)
In-Reply-To: <4DF7CD59.4020007@f8arr.org>
I found !!!!!!!!!!!!!!!!!!!!!!!!!
The problem came from modem-manager lauched by dbus.
In order to desactivate I had to remove
/usr/share/dbus-1/system-services/org.freedesktop.ModemManager.service
The following trace on /var/log/messages put me on the rails:
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB0)
closing serial port...
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB0)
serial port closed
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB0)
opening serial port...
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB1)
closing serial port...
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB1)
serial port closed
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB1)
opening serial port...
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB0)
closing serial port...
Jun 13 14:32:24 f8arr2-station modem-manager[721]: <info> (ttyUSB0)
serial port closed
This is working now !!
Thanks everybody for support
Let's go on the rock now (EME) !!!
73 qro
f8arr
On 06/14/2011 11:06 PM, f8arr wrote:
> yes..
>
> nothing.. (as root)
>
> But I remember that there was a daemon that was working on serial by
> default on linux.. I'am wrong ?
> I'm unable to remember.
>
> f8arr
>
> On 06/14/2011 11:01 PM, Bruno Tréguier wrote:
>> Le 14/06/2011 à 22:52, f8arr a écrit :
>>> Hello
>>>
>>> Some progress on my acknowledge...
>>>
>>> When the PC start, my DTR of my USB-RS232 is up (-6v).
>>> It mean that a program or a daemon is listenning and/or managing my
>>> serial. I don't want it because i'll use it directly from Wsjt.
>>>
>>> If someone has an idear where to search...
>>
>> Hi Guillaume,
>>
>> Have you tried using "fuser" to see which process was using your tty ?
>>
>> A simple "fuser /dev/ttyUSB0" (preferably as root) should do the
>> trick...
>>
>> Best regards,
>>
>> Bruno - F8FIV
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next prev parent reply other threads:[~2011-06-14 21:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-13 19:24 Issue with RS232 <-> USB adaptor (FC15) f8arr
2011-06-13 19:40 ` Dave Platt
2011-06-13 19:54 ` f8arr
2011-06-13 19:58 ` Bruno Tréguier
2011-06-13 20:28 ` f8arr
2011-06-13 20:53 ` Bruno Tréguier
2011-06-13 21:07 ` Dave Platt
2011-06-13 21:26 ` f8arr
2011-06-14 20:52 ` f8arr
2011-06-14 21:01 ` Bruno Tréguier
2011-06-14 21:06 ` f8arr
2011-06-14 21:20 ` f8arr [this message]
2011-06-14 21:39 ` Bruno Tréguier
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