Re: [LAU] phasex-0.12.0-beta4

From: Nedko Arnaudov <nedko@email-addr-hidden>
Date: Tue Sep 22 2009 - 15:24:24 EEST

Nedko Arnaudov <nedko@email-addr-hidden> writes:

> I get "wrong" sound. JACK reports no xruns.
>
> http://nedko.arnaudov.name/tmp/phasex.wav

Some more info...
Switching tabs in my window manager (ion3) causes artefacts in phasex
sound. I run jack2 in realtime mode, dsp load is about 15%. I run
a 2.6.23.1-rt11 kernel. I run the opensource radeon driver. My audiocard
and rtc IRQ threads run at higher priority than JACK (82 and 98). JACK
runs at priority 80.

# ps -eLo rtprio,pid,spid,class,args |sort -rn|head -n 20
    99 4 4 FF [posix_cpu_timer]
    99 3 3 FF [migration/0]
    98 845 845 FF [IRQ-8]
    97 5 5 FF [softirq-high/0]
    82 1232 1232 FF [IRQ-20]
    80 12779 22340 RR /usr/bin/jackdbus auto
    80 12779 22338 RR /usr/bin/jackdbus auto
    80 12779 22337 RR /usr/bin/jackdbus auto
    77 22421 22424 FF phasex-01
    75 22421 22427 RR phasex-01
    75 22342 22355 RR /usr/bin/a2jmidid dbus
    50 9 9 FF [softirq-block/0]
    50 989 989 FF [IRQ-17]
    50 921 921 FF [IRQ-16]
    50 8 8 FF [softirq-net-rx/]
    50 854 854 FF [IRQ-15]
    50 851 851 FF [IRQ-14]
    50 80 80 FF [IRQ-9]
    50 7 7 FF [softirq-net-tx/]
    50 6 6 FF [softirq-timer/0]

-- 
Nedko Arnaudov <GnuPG KeyID: DE1716B0>

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Received on Tue Sep 22 16:15:05 2009

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