Thanks for your help. I did a custom Arch kernel with those patches, but nothing changed, I still have the "Invalid argument" error, without any dmesg error or anything. I'll try to install a Kubuntu 12.10 and apply the patches to see if it works. Keep in touch if you can isolate the issue or if you find the right line to put in /etc/modprobe.d ! -- Benoît Zugmeyer On Mon, Feb 25, 2013 at 11:20 AM, George Perkins <george.a.perkins@xxxxxxxxx> wrote: > Hi Benoît, > > After seeing this thread on the xcore forums, I suspect that the hardware > mixer is source of the problem (unsupported identifiers). > http://www.xcore.com/forum/viewtopic.php?f=8&t=1719 > > I have managed to get the X300As working in a vanilla Kubuntu 12.10 by > applying the patches 1, 3, 4 & 5 from this site. I must admit I don't know > which patch fixed it since I just left it when it started working. > http://comments.gmane.org/gmane.linux.alsa.devel/87111 > I applied the patches manually to the source (since they were written quite > a while ago) and then recompiled. > > I will try and identify exactly which bit of the code fixes the X300As. > Incidentally, the patches also got my Arcam rPac DAC (which displayed the > same error ) to work. Therefore I think it is worth investing the time in > fixing this properly. > It would of course be more convenient f we can identify a simple edit to > /etc/modprobe.d/alsa.conf > > Regards > > George > > > On Sun, Feb 24, 2013 at 2:37 PM, Benoît Zugmeyer <benoit@xxxxxxxxxxxx> > wrote: >> >> Hi list, >> >> I received a pair of brand new KEF X300A amplified speakers. It >> contains an USB DAC, so it should act as a generic soundcard, isn't >> it? >> >> Sadly, it seems to have an USB communication problem. Alsamixer and >> amixer are complaining about an "Invalid argument", caused by an >> EINVAL error returned by ioctl while trying to read from the device. >> >> Also, VLC complains about an "Input/output error" (alsa audio output >> error: cannot open ALSA device "default:CARD=Speaker": Input/output >> error) >> >> Please find my full alsa-info here: >> http://www.alsa-project.org/db/?f=2309053ada96a70e7b6205a599ef0e911b663cd5 >> >> I booted the last version of Mint Linux (as a live CD) and I have the >> exact same error, so I guess this is not related to a broken setup of >> my Arch box. >> It works flawlessly out of the box on Windows 7. >> I also reported my problem on the Arch BBS >> https://bbs.archlinux.org/viewtopic.php?id=158623 >> >> Thanks for your time, >> -- >> Benoît Zugmeyer >> >> >> ------------------------------------------------------------------------------ >> Everyone hates slow websites. So do we. >> Make your web apps faster with AppDynamics >> Download AppDynamics Lite for free today: >> http://p.sf.net/sfu/appdyn_d2d_feb >> _______________________________________________ >> Alsa-user mailing list >> Alsa-user@xxxxxxxxxxxxxxxxxxxxx >> https://lists.sourceforge.net/lists/listinfo/alsa-user > > -- Benoît Zugmeyer On Mon, Feb 25, 2013 at 11:20 AM, George Perkins <george.a.perkins@xxxxxxxxx> wrote: > Hi Benoît, > > After seeing this thread on the xcore forums, I suspect that the hardware > mixer is source of the problem (unsupported identifiers). > http://www.xcore.com/forum/viewtopic.php?f=8&t=1719 > > I have managed to get the X300As working in a vanilla Kubuntu 12.10 by > applying the patches 1, 3, 4 & 5 from this site. I must admit I don't know > which patch fixed it since I just left it when it started working. > http://comments.gmane.org/gmane.linux.alsa.devel/87111 > I applied the patches manually to the source (since they were written quite > a while ago) and then recompiled. > > I will try and identify exactly which bit of the code fixes the X300As. > Incidentally, the patches also got my Arcam rPac DAC (which displayed the > same error ) to work. Therefore I think it is worth investing the time in > fixing this properly. > It would of course be more convenient f we can identify a simple edit to > /etc/modprobe.d/alsa.conf > > Regards > > George > > > On Sun, Feb 24, 2013 at 2:37 PM, Benoît Zugmeyer <benoit@xxxxxxxxxxxx> > wrote: >> >> Hi list, >> >> I received a pair of brand new KEF X300A amplified speakers. It >> contains an USB DAC, so it should act as a generic soundcard, isn't >> it? >> >> Sadly, it seems to have an USB communication problem. Alsamixer and >> amixer are complaining about an "Invalid argument", caused by an >> EINVAL error returned by ioctl while trying to read from the device. >> >> Also, VLC complains about an "Input/output error" (alsa audio output >> error: cannot open ALSA device "default:CARD=Speaker": Input/output >> error) >> >> Please find my full alsa-info here: >> http://www.alsa-project.org/db/?f=2309053ada96a70e7b6205a599ef0e911b663cd5 >> >> I booted the last version of Mint Linux (as a live CD) and I have the >> exact same error, so I guess this is not related to a broken setup of >> my Arch box. >> It works flawlessly out of the box on Windows 7. >> I also reported my problem on the Arch BBS >> https://bbs.archlinux.org/viewtopic.php?id=158623 >> >> Thanks for your time, >> -- >> Benoît Zugmeyer >> >> >> ------------------------------------------------------------------------------ >> Everyone hates slow websites. So do we. >> Make your web apps faster with AppDynamics >> Download AppDynamics Lite for free today: >> http://p.sf.net/sfu/appdyn_d2d_feb >> _______________________________________________ >> Alsa-user mailing list >> Alsa-user@xxxxxxxxxxxxxxxxxxxxx >> https://lists.sourceforge.net/lists/listinfo/alsa-user > > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
