On Thursday 02 August 2007 21:49, Karl Larsen wrote: > Nigel Henry wrote: > > On Thursday 02 August 2007 16:21, Karl Larsen wrote: > >> Andy Green wrote: > >>> Somebody in the thread at some point said: > >>>> I read but did not understand any details of udev but I am certain > >>>> it is why my old application called gmfsk finds that /dev/dsp is busy. > >>>> It is not busy but the current setup of udev makes it appear busy. > >>>> Also it is certain that udev can have upset with the new kernels and > >>>> be causing the problems some or most of us are having. > >>> > >>> What makes you think /dev/dsp isn't busy, and if it is busy, that udev > >>> is to blame? Try this > >>> > >>> lsof -n | grep /dev/dsp > >>> > >>> it should list any processes that have /dev/dsp open. > >>> > >>> -Andy > >> > >> I did that and got no result. I think that means it is not busy? > >> > >> > >> -- > >> > >> Karl F. Larsen, AKA K5DI > >> Linux User > >> #450462 http://counter.li.org. > > > > Hi Karl. Did you have the gmfsk ham radio app running when you tried the > > above command? I seem to remember a while back that you said that rx was > > ok, but you got the /dev/dsp problem when tx'ing. > > Yes that is correct. It does work through the same /dev/dsp on receive > of course. > > > It may be worth trying starting gmfsk with aoss. You need to install the > > package alsa-oss, then launch the app as. > > aoss gmfsk > > > > That is if gmsfk is the command for launching it. > > > > I've just looked at this on one of my 2 machines that does not have a > > soundcard capable of multiple audio streams. I listen to Internet radio, > > and start opera with, aoss opera. This way I can use other audio apps at > > the same time. I ran /usr/sbin/lsof -n | grep /dev/dsp while listening to > > Internet radio, and just got a return to the command prompt. Btw > > www.bbc.co.uk/radio4 uses the BBC radio player, that is using RealPlayer > > (an OSS app). > > > > So next I close Opera, and open Firefox, which isn't started using > > "aoss". Go to www.bbc.co.uk/radio4, click on listen live, and re-run, > > /usr/sbin/lsof -n | grep /dev/dsp > > > > This time I get the following output. > > > > $ /usr/sbin/lsof -n | grep /dev/dsp > > realplay. 29809 djmons 5w CHR 14,3 360131 > > /dev/dsp > > > > Now /dev/dsp is busy, and I know I can't use more audio apps while it's > > in this state. > > > > It's worth giving aoss a try. There's nothing to lose, and if it works, > > it works. > > > > I think you also said that gmfsk was working ok on FC6. Was that on the > > same machine, with the same soundcard? If so, it is a bit strange that > > it's not working on F7. > > > > There are problems with UDEV, and I've had problems with the ordering of > > video devices. Thankfully resolved for my Debian installs from help on > > the Debian list, and hopefully the same fix will work on my FC installs > > that are using UDEV. > > > > All the best. > > > > Nigel. > > OK I yummed the 2 files and used $ aoss gmfsk and as you expected it > worked! I will do some learning as to why in the future but thanks for > the idea. It now runs on F7 > > -- > > Karl F. Larsen, AKA K5DI > Linux User > #450462 http://counter.li.org. I'm glad that has resolved the problem for you. Nigel.
