From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hamish Moffatt Subject: Re: PTT with soundmodem Date: Mon, 2 Feb 2004 09:09:20 +1100 Sender: linux-hams-owner@vger.kernel.org Message-ID: <20040201220920.GA18771@cloud.net.au> References: <20040201215530.GA572@strauss.udel.edu> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20040201215530.GA572@strauss.udel.edu> List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linux Hams On Sun, Feb 01, 2004 at 04:55:30PM -0500, Mike Markowski wrote: > I'm thiiis close to having my packet set up working in kernel 2.4.24 > (currently unpatched). I'm using the user space soundmodem to create > interface ax0 -- so I assume I don't need to do a kissattach. When I > use soundmodemconfig to test the setup, I can successfully use the > PTT gui button to get my rig to transmit (and also have no problem > with PTT when using Tomi's great gMFSK!). However, while i can > receive APRS packets while running xastir, when it tries to transmit, > soundmodem complains after the xastir info: > > Tx: fm AB3AP-0 to APX121-0 via RELAY-0,WIDE-0 UI^ pid=F0 > =/:B7_;?z&y ab3ap@arrl.net, Avondale PA (XASTIR-Linux) > > sm[15891]: ioctl: SNDCTL_DSP_SYNC: Device or resource busy (16) > > I see the LED on my PTT interface briefly light, but not long > enough to activate the rig itself before the error above is > printed. Do you have any other programs at all accessing the sound card? Things like the sound server for KDE or GNOME? Is AX.25 working properly in 2.4.24? I was under the impression that it was never reliable in 2.4, and fixes are going straight to 2.6. I'm still running 2.2 on my packet machine. Hamish -- Hamish Moffatt VK3SB