Mysth-R wrote: > > > 2008/9/24 Pieter Palmers <pieterp@xxxxxxx <mailto:pieterp@xxxxxxx>> > > Mysth-R wrote: > > > > 2008/9/23 Pieter Palmers <pieterp@xxxxxxx > <mailto:pieterp@xxxxxxx> <mailto:pieterp@xxxxxxx > <mailto:pieterp@xxxxxxx>>> > > > Mysth-R wrote: > > Hi, > > I've got a strange behaviour with my midi controller and/or > freebob/ffado. > I made a pure data patch, with a midi learn function. So > I can > control everything with my midi controller. > When I use jack with Freebob or ffado (I tested both) and a > Presonus Firebox, I got cracking sounds every time I move > faders, pots from my Midi Controler. > When I use jack with alsa and a poor usb berhinger UCA202 it > works perfectly : no cracking sounds > > > Is your midi controller attached to the Presonus box or is it > a USB > midi controller? > > > I tried with USB and directly attached to the Presonus. My > controller is a Korg microKontrol, but I tried with another > controller too (an EMU I think) > I also tried with Jackd and Jackdmp , cause I am on Gentoo 64bits. > > > Strange... > > > > > What settings do you use for jackd? > > > My settings are : > > /usr/bin/jackd -R -dfirewire -r48000 -p256 -n3 > > does it happen with higher buffer sizes too? > > try increasing the priority of jackd to 65: > /usr/bin/jackd -R -P65 -dfirewire -r48000 -p256 -n3 > > I suspect that it has something to do with the kernel layer since > it's present in both freebob and ffado. > > > Ok I have made some tests > > First test : > priority : 65 > frame/period : 4096 > Test OK !! :) > > Second test : > Priority : 65 > Frame/period : 512 > It cracks ! > > Last test : > Priority : 65 > Frame / period : 1024 > Test OK !! > > A friend of mine just tell me that my pd patch works find with his > config, and freebob : no cracks ! > What, in your mind, could be the problem ? software ? hardware ? You seem to be running a Ricoh 1394 chipset, that can be a problem. I think you're experiencing a hardware issue. Also, for me the pd patch crackles without doing anything, but then again I don't know how to use pd properly. Greets, Pieter > > on my gentoo I have compiled my own kernel (2.6.25.4-rt5). But on the > open suse I took the one from Jacklab (2.6.22.13 <http://2.6.22.13>) > > > ################################################# > Some more infos : > 1- lspci > 2- cat /proc/interrupts > 3- rtirq > 4- limit.conf > > > ###############################################" > 1- lspci : > > mysthr2@localhost ~ $ sudo lspci > 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML > and 945GT Express Memory Controller Hub (rev 03) > 00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML > and 945GT Express PCI Express Root Port (rev 03) > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High > Definition Audio Controller (rev 01) > 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express > Port 1 (rev 01) > 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express > Port 2 (rev 01) > 00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express > Port 4 (rev 01) > 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI > Controller #1 (rev 01) > 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI > Controller #2 (rev 01) > 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI > Controller #3 (rev 01) > 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI > Controller #4 (rev 01) > 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI > Controller (rev 01) > 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1) > 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface > Bridge (rev 01) > 00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA > IDE Controller (rev 01) > 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller > (rev 01) > 01:00.0 VGA compatible controller: nVidia Corporation GeForce Go 7900 GS > (rev a1) > 03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX > (rev 02) > 03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller > 03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro > Host Adapter (rev 19) > 03:01.2 System peripheral: Ricoh Co Ltd Device 0843 (rev 01) > 03:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host > Adapter (rev 0a) > 03:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05) > 0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG > Network Connection (rev 02) > 0d:00.0 PCI bridge: Texas Instruments XIO2000(A)/XIO2200(A) PCI > Express-to-PCI Bridge (rev 03) > 0e:00.0 FireWire (IEEE 1394): Texas Instruments XIO2200(A) > IEEE-1394a-2000 Controller (PHY/Link) (rev 01) > mysthr2@localhost ~ $ > > > ######################################################### > 2- cat /proc/interrupts > > CPU0 CPU1 > 0: 1558526 0 IO-APIC-edge timer > 1: 1313 0 IO-APIC-edge i8042 > 8: 1 0 IO-APIC-edge rtc > 9: 2 0 IO-APIC-fasteoi acpi > 12: 123 0 IO-APIC-edge i8042 > 14: 11715 0 IO-APIC-edge ata_piix > 15: 97 0 IO-APIC-edge ata_piix > 16: 48553 0 IO-APIC-fasteoi nvidia > 17: 1495 0 IO-APIC-fasteoi eth0 > 19: 83 0 IO-APIC-fasteoi ohci1394, ohci1394 > 20: 6296 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 > 21: 106 0 IO-APIC-fasteoi uhci_hcd:usb3, HDA Intel > 22: 92 0 IO-APIC-fasteoi uhci_hcd:usb4 > 23: 0 0 IO-APIC-fasteoi uhci_hcd:usb5 > NMI: 0 0 Non-maskable interrupts > LOC: 39497 1450011 Local timer interrupts > RES: 35829 46345 Rescheduling interrupts > CAL: 38 43 function call interrupts > TLB: 259 469 TLB shootdowns > TRM: 0 0 Thermal event interrupts > THR: 0 0 Threshold APIC interrupts > SPU: 0 0 Spurious interrupts > ERR: 0 > > ################################################## > > 3- rtirq : > > #!/bin/sh > # > # Copyright (c) 2004-2007 rncbc aka Rui Nuno Capela. > # > # /etc/conf.d/rtirq > # > # Configuration for IRQ thread tunning, > # for realtime-preempt enabled kernels. > # > # This program is free software; you can redistribute it and/or modify it > # under the terms of the GNU General Public License version 2 or later. > # > > # IRQ thread service names > # (space separated list, from higher to lower priority). > RTIRQ_NAME_LIST="rtc ohci1394 i8042" > > # Highest priority. > RTIRQ_PRIO_HIGH=99 > > # Priority decrease step. > RTIRQ_PRIO_DECR=10 > > # Whether to reset all IRQ threads to SCHED_OTHER. > RTIRQ_RESET_ALL=0 > > # On kernel configurations that support it, > # which services should be NOT threaded > # (space separated list). > RTIRQ_NON_THREADED="rtc ohci1394" > > # Process names which will be forced to the > # highest realtime priority range (99-91) > # (space separated list, from highest to lower priority). > # RTIRQ_HIGH_LIST="softirq-timer" > > > #############################################################" > 4- limits.conf > > @audio - rtprio 99 > @audio - nice -10 > @audio - memlock 1774000 > > > ########################################################### > > That's all !! :) > Cheers, > > Mysth-R > > -- > * > *************************************************************************************** > * {^_^} Mysth-R {^_^} > * <= Aide Auditive => > * > * http://myspace.com/mysthr > * http://myspace.com/aideauditive > * http://mysthr.free.fr/Joomla => Site dédié à l'audio sous > Fedora/PlanetCCRMA. > * > *************************************************************************************** _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
