Re: Soundmodem hangs all USB keyboard or mouse input -- and soundmodem 0.16: fix the AFSK modulator for 300 baud operation
Guido Trentalancia <iz6rdb <at> trentalancia.com>
2012-04-08 15:23:58 GMT
On Sat, 2012-04-07 at 16:14 -0700, David Ranch wrote:
> Hello Guido, Thomas, fellow Linux HAMs:
> I've CCed the Linuxhams group as I'm curious if any of you have any
> thoughts on why Soundmodem would be shutting down all USB-based keyboard
> and mouse functionality until the process is killed! In all my years of
> Linux, I've never need something like this. Very strange and any/all
> comments would be very much appreciated!
Soundmodem should be accessing USB through ALSA/Pulseaudio not anything
lower level than that, so I doubt the problem with USB is being caused by
You should perhaps cross-check if the problem persists with other audio
applications and then report it for as example as a kernel or Pulseaudio
issue, but I don't know...
> Few points:
> 1) I've recently noticed a change on my system that when I run
> soundmodemconfig (patched or unpatched), and I go into the spectrum
> scope view, my USB keyboard and mouse stop responding! Though the
> spectrum scope continues to update, I can't type nor mouse around until
> I kill soundmodem via an out of band SSH connection! How weird!
> This Gateway NV57 laptop system is Centos6 (linux 2.6.32) running
> PulseAudio and Soundmodem using a USB soundcard (US Interface Navigator)
> which is configured to use ALSA natively (not OSS).