[asterisk-users] Question on system command 1.4.43

[Eric Wieling]

You should confirm with "ps -aux | grep asterisk"

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jerry Geis
Sent: Tuesday, January 03, 2012 1:14 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Question on system command 1.4.43

On 01/03/2012 08:48 AM, Jerry Geis wrote:
> I have a USB to serial converter attached to my box.  pl2303: Prolific
> PL2303 USB to serial adaptor driver
> if I login to the box and send/receive serial commands over this unit 
> it works without error EVERY time.
>
> however, if I run the same command set from with-in the 
> extensions.conf with System() I get errors in dmesg like "pl2303 
> ttyUSB0: pl2303_open - failed submitting read urb, error -22"
> and then obviusly my command does not work.
>
> however, again - If I go back to the command line and my command it 
> runs just fine.
>
> Any ideas on what might be happening here?
>
> Jerry
>
> extensions.conf
> exten => s,1,ChanIsAvail(Console/Dsp)
> exten => s,n,GotoIf($["${AVAILCHAN}" = ""]?smvoice-busy,s,1) exten => 
> s,n,System(/home/silentm/bin/usbserial -start) exten => 
> s,n,Playback(beep) exten => s,n,Dial(Console/dsp) exten => s,n,Hangup 
> exten => h,1,System(/home/silentm/bin/usbserial -stop)
>
>
Jim and Doug

Yes the process is running as root. I should have mentioned that.
Also - yes the usbserial is a paging notification program.

So if its not permissions (since its running as root) what else might it be?

Thanks,

Jerry

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