Re: [LAU] Issues with JACK

Hello Jeremy, and thank you so much for your reply!

I disabled SpeedStep in BIOS, and it helped a little, thanks! Here's my
interrupts:

zth@email-addr-hidden:~$ cat /proc/interrupts
           CPU0 CPU1 CPU2 CPU3
  0: 43 0 1 1 IO-APIC-edge timer
  1: 3 0 0 0 IO-APIC-edge i8042
  8: 1 0 0 0 IO-APIC-edge rtc0
  9: 0 0 0 0 IO-APIC-fasteoi acpi
 12: 4 0 0 0 IO-APIC-edge i8042
 23: 412535 22606 20 25 IO-APIC-fasteoi
ehci_hcd:usb1, ehci_hcd:usb2
 41: 12871 435 437 292 PCI-MSI-edge ahci
 42: 0 0 0 0 PCI-MSI-edge
xhci_hcd
 43: 67 9 3 8 PCI-MSI-edge eth0
 44: 9 3 1 0 PCI-MSI-edge mei
 45: 78 161 80 19 PCI-MSI-edge
snd_hda_intel
 46: 87524 15 46 18 PCI-MSI-edge radeon
 47: 29 0 0 0 PCI-MSI-edge
snd_hda_intel
NMI: 171 188 137 145 Non-maskable interrupts
LOC: 393823 587985 553269 586297 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 171 188 137 145 Performance monitoring
interrupts
IWI: 0 0 0 0 IRQ work interrupts
RES: 33948 43230 37004 44438 Rescheduling interrupts
CAL: 4737 2603 2357 2402 Function call interrupts
TLB: 8090 6659 7185 7658 TLB shootdowns
TRM: 0 0 0 0 Thermal event interrupts
THR: 0 0 0 0 Threshold APIC interrupts
MCE: 0 0 0 0 Machine check exceptions
MCP: 116 116 116 118 Machine check polls
ERR: 0
MIS: 0

I tried alsa-reload but it didn't help =(.

Thanks again for your reply!

On Sun, Mar 3, 2013 at 1:04 PM, Jeremy Jongepier <jeremy@email-addr-hiddenwrote:

> On 03/03/2013 11:47 AM, Gabbe Nord wrote:
>
>> Hello!
>>
>> I'm experiencing some weird issues with JACK. I got a new system the other
>> day, and I'm tweaking it for linux audio only basically. My issues are:
>> even when dsp load isn't even close to 100%, I get xruns. This only
>> happens
>> at lower latencies, but still. My setup is as follows :
>>
>> Kxstudio 12.04.2
>> 3.2 realtime kernel (tried lowlatency and generic aswell)
>> Usb sound card Lexicon Omega
>> Realtimeconfig quickscan shows everything green except cpu governors, but
>> I'm pretty sure I don't have that on this system? It's an Intel i5 3570k
>> desktop. Or maybe there's some setting in BIOS equivalent of cpu
>> governors?
>> If so that might very well be the problem.
>>
>>
> Hello Gabbe,
>
> You can check what governor is in use with:
> cat /sys/devices/system/cpu/cpu*/**cpufreq/scaling_governor
>
> And set it to a non-scaling governor with:
> echo -n performance | sudo tee /sys/devices/system/cpu/cpu*/**
> cpufreq/scaling_governor
>
> You can also disable it in your BIOS, it's probably called something like
> SpeedStep. More info: http://wiki.linuxmusicians.**com/doku.php?id=system_
> **configuration#cpu_frequency_**scaling<http://wiki.linuxmusicians.com/doku.php?id=system_configuration#cpu_frequency_scaling>
>
>
> I use JACK at 48khz 3 periods/buffer. I start it via falktx's Cadence.
>>
>> Any ideas about this?
>>
>>
> Please post the output of:
> cat /proc/interrupts
>
>
> Also! When I'm asking for help anyway... I connect my MIDI keyboard via
>> MIDI in on my sound card, but that suddenly stopped working. The midi out
>> from the sound card is present in JACK, but it delivers no midi. Any idea
>> on where to start troubleshooting this?
>>
>>
> Did you try other USB ports? Or issueing a:
> sudo alsa force-reload
> Does that help?
>
> Regards,
>
> Jeremy
>
> Thank you so much for taking the time to read this. Cheers!
>>
>>
>>
>> ______________________________**_________________
>> Linux-audio-user mailing list
>> Linux-audio-user@email-addr-hidden.**linuxaudio.org<Linux-audio-user@email-addr-hidden>
>> http://lists.linuxaudio.org/**listinfo/linux-audio-user<http://lists.linuxaudio.org/listinfo/linux-audio-user>
>>
>>
> ______________________________**_________________
> Linux-audio-user mailing list
> Linux-audio-user@email-addr-hidden.**linuxaudio.org<Linux-audio-user@email-addr-hidden>
> http://lists.linuxaudio.org/**listinfo/linux-audio-user<http://lists.linuxaudio.org/listinfo/linux-audio-user>
>

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
Received on Sun Mar 3 16:15:02 2013