new Studio user writes
adam
ahcnz at orcon.net.nz
Tue Jul 30 20:26:16 UTC 2013
> To ensure that the EMU card after each startup is the default card hw:0
> you can run
>
> sudo echo "options snd slots=snd_emu10k1" >> /etc/modprobe.d/alsa-base.conf
>
> or
>
> gksudo gedit /etc/modprobe.d/alsa-base.conf
> and manually add
> options snd slots=snd_emu10k1
>
> to the file.
OK. Yes this sounds a good idea.
> Does QjackCtl display xruns or do you get any audible glitches, if you
> listen to audio when using Jack? You can see xruns, if you push the
> "Messages" button of QjackCtl or in the display of QjackCtl, it does
> show "number (number)", e.g. "0 (0)" when you don't get xruns.
OK. Will check the xruns displays or use the 'Messages' button next time.
No, Audio has been good, no glitches. The low latency kernel is great.
AMD at 1.9 or 2 GHZ, I know I can expect them sooner or later.
> What is the output of cat ~/.jackdrc ?
--- at ---:~$ cat ~/.jackdrc
/usr/bin/jackd -dalsa -dhw:1,0 -r44100 -p1024 -n2
--- at ---:~$ cat /proc/asound/cards
0 [Live ]: EMU10K1 - SB Live! [CT4620]
SB Live! [CT4620] (rev.4, serial:0x211102) at 0xd000, irq 16
1 [V8237 ]: VIA8237 - VIA 8237
VIA 8237 with CMI9739 at 0xb800, irq 22
> Also post the output of 'service rtirq status'
:~$ service rtirq status
PID CLS RTPRIO NI PRI %CPU STAT COMMAND
46 FF 90 - 130 0.0 S irq/8-rtc0
756 FF 85 - 125 0.0 S irq/22-snd_via8
39 FF 80 - 120 0.0 S irq/21-uhci_hcd
40 FF 79 - 119 0.0 S irq/21-uhci_hcd
41 FF 78 - 118 0.0 S irq/21-uhci_hcd
42 FF 77 - 117 0.0 S irq/21-uhci_hcd
45 FF 75 - 115 0.0 S irq/1-i8042
44 FF 74 - 114 0.0 S irq/12-i8042
16 FF 50 - 90 0.0 S irq/9-acpi
38 FF 50 - 90 0.0 S irq/21-ehci_hcd
163 FF 50 - 90 0.0 S irq/14-pata_via
164 FF 50 - 90 0.0 S irq/15-pata_via
170 FF 50 - 90 0.0 S irq/20-sata_via
193 FF 50 - 90 0.0 S irq/6-floppy
206 FF 50 - 90 0.0 S irq/17-firewire
519 FF 50 - 90 0.0 S irq/7-parport0
747 FF 50 - 90 0.0 S irq/16-snd_emu1
759 FF 50 - 90 0.0 S irq/16-nouveau
896 FF 50 - 90 0.1 S irq/18-eth0
3 TS - 0 19 0.2 R ksoftirqd/0
:~$
Great. Yes, I am still studying /etc/modprobe.d/alsa-base.conf
Here it is currently, sorry for the wrapping;
--- at ---:~$ cat /etc/modprobe.d//alsa-base.conf
# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
install sound-slot-1 /sbin/modprobe snd-card-1
install sound-slot-2 /sbin/modprobe snd-card-2
install sound-slot-3 /sbin/modprobe snd-card-3
install sound-slot-4 /sbin/modprobe snd-card-4
install sound-slot-5 /sbin/modprobe snd-card-5
install sound-slot-6 /sbin/modprobe snd-card-6
install sound-slot-7 /sbin/modprobe snd-card-7
# Cause optional modules to be loaded above generic modules
install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS &&
{ /sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe
--quiet --use-blacklist snd-seq ; }
#
# Workaround at bug #499695 (reverted in Ubuntu see LP #319505)
install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS &&
{ /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; }
install snd-mixer /sbin/modprobe --ignore-install snd-mixer
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist
snd-mixer-oss ; : ; }
install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS &&
{ /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; /sbin/modprobe
--quiet --use-blacklist snd-seq-oss ; : ; }
#
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist
snd-seq-midi ; : ; }
# Cause optional modules to be loaded above sound card driver modules
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist
snd-emu10k1-synth ; }
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq ; }
# Load saa7134-alsa instead of saa7134 (which gets dragged in by it
anyway)
install saa7134 /sbin/modprobe --ignore-install saa7134 $CMDLINE_OPTS &&
{ /sbin/modprobe --quiet --use-blacklist saa7134-alsa ; : ; }
# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options saa7134-alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-usb-audio index=-2
options snd-usb-caiaq index=-2
options snd-usb-ua101 index=-2
options snd-usb-us122l index=-2
options snd-usb-usx2y index=-2
# Ubuntu #62691, enable MPU for snd-cmipci
options snd-cmipci mpu_port=0x330 fm_port=0x388
# Keep snd-pcsp from being loaded as first soundcard
options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
options snd-usb-audio index=-2
--- at ---:~$
More information about the ubuntu-studio-users
mailing list