These are the jack settings
/usr/bin/jackd -p128 -dalsa -dhw:0 -r48000 -p512 -n2 -Xseq
On Sunday 27 July 2014 04:47 PM, Ralf Mardorf wrote:
On Sun, 2014-07-27 at 16:23 +0530, Shubham Mishra wrote:
$ /etc/init.d/rtirq status output
PID CLS RTPRIO NI PRI %CPU STAT COMMAND
80 FF 90 - 130 0.0 S irq/8-rtc0
75 FF 80 - 120 0.0 S irq/16-ehci_hcd
77 FF 79 - 119 0.0 S irq/23-ehci_hcd
79 FF 75 - 115 0.0 S irq/1-i8042
78 FF 74 - 114 0.0 S irq/12-i8042
47 FF 50 - 90 0.0 S irq/9-acpi
152 FF 50 - 90 0.0 S irq/40-ahci
372 FF 50 - 90 0.0 S irq/18-ips
439 FF 50 - 90 0.1 S irq/17-wlan%d
3497 FF 50 - 90 0.0 S irq/42-mei_me
3498 FF 50 - 90 0.0 S irq/43-snd_hda_
Please post the output of
$ grep RTIRQ_NAME_LIST /etc/default/rtirq
RTIRQ_NAME_LIST="rtc snd usb i8042"
Your sound device doesn't share it's IRQ, but it has got a bad priority.
The rtirq default is to care about snd drivers, but Ubuntu Studio has
got the tendency to use current lowlatency kernels, but stay with
outdated rtirq scripts, that don't fit to the kernel.
Please also post the output of
$ sudo apt-cache policy rtirq-init
$ uname -rm
rtirq-init:
Installed: 20130909-1
Candidate: 20130909-1
Version table:
*** 20130909-1 0
500 http://in.archive.ubuntu.com/ubuntu/ trusty/universe amd64
Packages
100 /var/lib/dpkg/status
and
3.13.0-32-lowlatency x86_64
Not necessarily! But one step after the other, first we need to find out
why you experience xruns. You set up the CPU frequency scaling to
performance?
Yes it's set to performance now. I get almost the same number of xruns,
a bit less may be. However DSP load seems to have gone down from 50% to
20%. I'll record again in the evening after a system restart with the
frequency scaling at performance and see how many dropouts i get.
Thanks
Mish
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