[PD] RPI usb soundcards that require mmap_emul

Antoine Villeret antoine.villeret at gmail.com
Wed Oct 9 22:02:05 CEST 2013


I couldn't try this and I don't know anything about mmap_emul but
I recently updated a Pi (in the middle september) and got crakle with an
ESI UDJ 6 (2in/2out) which was working great before
then I downgrade to the version of april 26 2013, and it works again


do it yourself

2013/10/9 Julian Brooks <jbeezez at gmail.com>

> Hi all,
> I'm building a fresh rpi image and after installing hexxah's rpi-update
> and running it to update the firmware I got this message (not seen before):
> "mmap_emul is set in /etc/asound.conf, disabling it as it is no longer
> necessary
> If you are (for instance) using an external USB soundcard that needs
> mmap_emul,add the string LEAVE_ME_ALONE to your /etc/asound.conf as a
> comment
> If you don't know what an /etc/asound.conf is, don't worry about this
> message"
> So I guess my question is:
> How do you know if your usb soundcard requires mmap_emul?
> Also a heads up as I know a couple of people mentioned having sound
> problems recently and perhaps this may help.
> This is most recent raspbian image btw.
> Regards,
> Julian
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