>________________________________ > From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> >To: Joao Bonina <bonina_2001@xxxxxxxxx> >Cc: Daniel Mack <zonque@xxxxxxxxx>; "alsa-devel@xxxxxxxxxxxxxxxx" <alsa-devel@xxxxxxxxxxxxxxxx>; linux-usb <linux-usb@xxxxxxxxxxxxxxx> >Sent: Tuesday, 31 July 2012, 15:35 >Subject: Re: [alsa-devel] Alsa: USB Class 2 Audio soundcard device disappears suddenly > >On Tue, 31 Jul 2012, Joao Bonina wrote: > >> You're right about the EMI message, it's happening when the streaming stops. >> >> I've tried different cables before, but that didn't solve the problem. >> >> The motherboard is an Alix 1D, and I'm using the onboard USB 2.0 ports. >> >> If this really is an EMI issue, guess I'll have to source some kind of miniPCI-USB 2.0 card and see if that solves the problem. > >Another possibility is to put a USB hub before the sound device. That >_might_ clean up the signal. > >Alan Stern > Thanks for that suggestion, Alan. I used a cheap hub that I had stashed away. At the begining that seemed to solve the problem. But after a while, some clicks and pops became audible. Disconnected it all for a while, and when I reconnected, the problem was back again with this message on mpd.log: Aug 01 05:57 : output: "USB" [alsa] failed to play: No such device Aug 01 05:57 : output: closed plugin=alsa name="USB" This time, there's no EMI message in dmesg. Still have to try copying files from one usb flash to another. João Bonina > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
