----- Original Message ----- From: S. Massy <lists@xxxxxxxxxxxx> To: James Warden <warjamy@xxxxxxxxx> Cc: "linux-audio-user@xxxxxxxxxxxxxxxxxxxx" <linux-audio-user@xxxxxxxxxxxxxxxxxxxx> Sent: Wednesday, October 19, 2011 9:34 PM Subject: Re: Alsa to jack bridge and asoundrc On Wed, Oct 19, 2011 at 04:06:53AM -0700, James Warden wrote: > > > > > ----- Original Message ----- > > I compiled the aloop module and it works fine, but when I try setting up > the asoundrc as described, and use the device, I get. > ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave > aplay: main:654: audio open error: Invalid argument > > Does anyone know what this uninformative error mean? Has anybody ever > had luck with a similar setup? > ----- > > Hi, I use this setup as described in the wiki page (I wrote that page myself ;) and have no issue. > You should provide the version numbers of libasound and alsa, how they were installed, etc. > Version mismatch can cause this kind of problems I think. Well, libasound is a Debian package from Squeeze and is 1.0.13. The drivers are from kernel 2.6.33.7.2-rt30, apart from aloop which is from release 1.0.24 of alsa-drivers. Aloop compiles and loads fine and seems to work when used standalone, but once the asoundrc is in place, I get the error described earlier. Cheers, S.M. ----- For the driver version, try cat /proc/asound/version For libasound2 stuff: dpkg -l libasound2 dpkg -l libasound2-plugins It is probably best when they all match. J. PS: I use debian sid. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
