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mizery de aria
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PostPosted: Sun Jul 27, 2008 8:16 pm    Post subject: jackd watchdog: timeout - killing jackd Reply with quote

Code:
localnewb mizery # jackd -R -dalsa -dhw:0 -r48000 -p1024 -n2
jackd 0.103.0
Copyright 2001-2005 Paul Davis and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details

JACK compiled with System V SHM support.
loading driver ..
apparent rate = 48000
creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
control device hw:0
configuring for 48000Hz, period = 1024 frames, buffer = 2 periods
ALSA: final selected sample format for capture: 32bit little-endian
ALSA: use 2 periods for capture
ALSA: final selected sample format for playback: 32bit little-endian
ALSA: use 2 periods for playback


**** alsa_pcm: xrun of at least 1217175343857.664 msecs



**** alsa_pcm: xrun of at least 1217175343857.664 msecs



...



**** alsa_pcm: xrun of at least 1217175343857.664 msecs

jackd watchdog: timeout - killing jackd
Killed


Code:
localnewb mizery # lspci|grep Audio
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)


Code:
localnewb mizery # cat /proc/cpuinfo
...
model name      : Intel(R) Core(TM) Duo CPU      T2350  @ 1.86GHz
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon bts pni monitor est tm2 xtpr
...


Any ideas?
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pappy_mcfae
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Joined: 27 Dec 2007
Posts: 5919
Location: Pomona, California.

PostPosted: Mon Jul 28, 2008 4:10 am    Post subject: Reply with quote

Enter the following:
Code:
echo "media-sound/jack-audio-connection-kit alsa jack-tmpfs sse mmx cpudetection" >> /etc/portage/package.use
Then recompile jack-audio-connection-kit. This assumes that your machine is at least a P-III. If not, drop the sse. The most important setting is the jack-tmpfs setting. It lets jack use memory for caching operations rather than using the hard drive.

Also, for best results, you need to tweak your kernel as follows:
Code:
Processor type and features -->
[*] Tickless System (Dynamic Ticks)
[*] High Resolution Timer Support
[*] Single-depth WCHAN output
[*] HPET Timer Support
    Preemption Model
    (*)Preemptible Kernel (Low-Latency Desktop)
Timer frequency
(*) 1000 Hz

There are those who also extol the virtues of the fully preemptible kernel. I am sure that there are some out there who have actually managed to get said kernel monstrosity to be more than an irritation and a source of unending crashes. I am; however, not one of those people. I have had no luck with the FPK, so I do not recommend it.

Blessed be!
Pappy
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mizery de aria
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PostPosted: Mon Jul 28, 2008 5:36 am    Post subject: Reply with quote

:3

Last edited by mizery de aria on Mon Jul 28, 2008 7:23 am; edited 1 time in total
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pappy_mcfae
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PostPosted: Mon Jul 28, 2008 5:43 am    Post subject: Reply with quote

Spiritual, not religious. Of course, if you don't want my help, I'll gladly not help you.

Blessed be!
Pappy
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mizery de aria
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PostPosted: Mon Jul 28, 2008 7:25 am    Post subject: Reply with quote

I apologize for the inconvenience, however, I do not enjoy encountering religious/spiritual terminologies more than I appreciate or value being helped/assisted. Sorriez =/
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Do not repIy to or othErwise communicate with me if you use religious, spiritual or similar terminologies or references in your typings.
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pappy_mcfae
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PostPosted: Mon Jul 28, 2008 9:34 am    Post subject: Reply with quote

As you wish.

Blessed be!
Pappy
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iplayfast
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Joined: 08 Jul 2002
Posts: 642
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PostPosted: Thu Oct 02, 2008 3:28 pm    Post subject: Reply with quote

Just so you know, your post is appreciated. Helped me out.
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das bletch
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Joined: 17 Feb 2009
Posts: 44
Location: oakland

PostPosted: Wed Feb 25, 2009 1:30 am    Post subject: Reply with quote

yes, this solved A problem for me as well. should be added to the jack wiki.

thx pappy!
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