Been working on this for a while. I have a Mint 13 (Maya) box that I
sometimes boot into the newest UbuntuStudio -- both work fine with the
PODxt using the line6usb driver module provided in staging.
But AVLinux and kxstudio do not. The driver is available as a module and
loads. USB recognises the device. But the PODxt does not show up as a
soundcard. My other internal soundcard works fine so I believe that ALSA
and the core sound drivers are all OK. I'm unsure how to proceed because
everything appears in order. I've tried unloading and reloading the
module and also installed the driver package from the repository.
Everything seems to be working correctly, but the recognized USB device
does not appear as an available soundcard.
Where should I look next to keep troubleshooting?
From AVLinux:
# uname -a
Linux darkglow 3.6.11.2-avl1 #113 SMP PREEMPT Fri May 10 07:15:26 EDT
2013 i686 GNU/Linux
Module is available:
$ cat /boot/config-$(uname -r) | grep -i line6
CONFIG_LINE6_USB=m
# CONFIG_LINE6_USB_DEBUG is not set
# CONFIG_LINE6_USB_DUMP_CTRL is not set
# CONFIG_LINE6_USB_DUMP_MIDI is not set
# CONFIG_LINE6_USB_DUMP_PCM is not set
# CONFIG_LINE6_USB_RAW is not set
# CONFIG_LINE6_USB_IMPULSE_RESPONSE is not set
Module is loaded:
# lsmod | grep -i line6
line6usb 56695 0
snd_rawmidi 12126 2 line6usb,snd_seq_midi
snd_pcm 48030 5
snd_aloop,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,line6usb
snd 34878 15
snd_hda_codec_realtek,snd_aloop,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,line6usb
usbcore 94358 9
usblp,usb_storage,ohci_hcd,ehci_hcd,gspca_main,usbhid,gspca_zc3xx,xhci_hcd,line6usb
# cat /sys/module/line6usb/version
0.9.1beta (904)
Driver is in staging:
# ls /lib/modules/3.6.11.2-avl1/kernel/drivers/staging/line6
line6usb.ko
$ lsusb
...
Bus 005 Device 003: ID 0e41:5044 Line6, Inc. PODxt
...
$ dmesg
[ 542.915477] usb 5-1: USB disconnect, device number 2
[ 542.916166] line6usb 5-1:1.0: Line6 PODxt now disconnected
[ 910.466347] usb 5-1: new full-speed USB device number 3 using ohci_hcd
[ 910.634793] usb 5-1: New USB device found, idVendor=0e41, idProduct=5044
[ 910.634797] usb 5-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 910.634799] usb 5-1: Product: PODxt
[ 910.634801] usb 5-1: Manufacturer: Line 6
[ 910.636816] line6usb 5-1:1.0: Line6 PODxt found
[ 910.638845] line6usb 5-1:1.0: Line6 PODxt now attached
In UbuntuStudio, my soundcards have this entry and the device is
selectable in the mixers and using software like Ardour or Audacity.
ubuntu-studio@ubuntu-studio:~$ cat /proc/asound/cards
0 [PODxt ]: line6usb - PODxt
Line6 PODxt at USB 5-1:1.0
thanks in advance for any assistance.
-Patrick
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