So I guess to answer my own question:
"How do you know if your usb soundcard requires mmap_emul?"

If you have lots of crackles whereas before you didn't.

Perhaps this could at least be something to try.

Will keep the list updated as to my progress- not at the audio testing stage yet.


On 10 October 2013 07:15, Julian Brooks <jbeezez@gmail.com> wrote:
Good to know, thanks Antoine.

What was it that you rolled back?

BTW - can't be the UDJ card as that has no input but I think you have a different ESI card too.


On 9 October 2013 21:02, Antoine Villeret <antoine.villeret@gmail.com> wrote:
hi, 

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

+
a

--
do it yourself                      
http://antoine.villeret.free.fr


2013/10/9 Julian Brooks <jbeezez@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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