[linux-audio-user] alsa rme96 jack - 186 msec latency?

Lee Revell rlrevell at joe-job.com
Sun Sep 11 00:18:51 EDT 2005


On Sun, 2005-09-11 at 05:11 +0200, Michael Rudolf wrote:
> Another point is shared memory; I have that enabled in the kernel, I
> have a 
> tmpfs mounted on /dev/shm, and Jack is compiled with support ("JACK 
> compiled with System V SHM support."), but I have read that Jack
> uses /tmp 
> for pipes per default, and I can in fact see some 
> in /tmp/jack-[uid]/default/. Now /tmp is a normal ext3 file system
> here, 
> not a tmpfs. Could that alone be the problem? 

Yes, that is almost certainly the problem.

The /tmp entry in /etc/fstab should look like this:

tmpfs           /tmp            tmpfs   defaults                0       0

Any decent distro should do this by default.

Lee




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