On Friday 18 Sep 2015 21:03:15 maillist@superlative.org wrote:
I recently got access to a Boss GT-001. This is a small USB audio Interface for guitar with onboard FX which doesn't work with ALSA under Linux Mint 17 (running kernel 3.16.0-38-generic).
<SNIP>
Following up on this, here's the output from aadebug:
ALSA Audio Debug v0.2.0 - Mon Sep 21 11:17:55 BST 2015 http://alsa.opensrc.org/aadebug http://www.gnu.org/licenses/agpl-3.0.txt
Kernel ---------------------------------------------------- Linux KAMDesktop 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Advanced Linux Sound Architecture Driver Version k3.16.0-38-generic.
Loaded Modules -------------------------------------------- snd_hrtimer 12744 0 snd_seq_dummy 12762 0 snd_usb_audio 161870 8 snd_usbmidi_lib 29828 1 snd_usb_audio snd_hwdep 17698 1 snd_usb_audio snd_aloop 23396 0 snd_pcm 104112 2 snd_usb_audio,snd_aloop snd_seq_midi 13564 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_rawmidi 30876 2 snd_usbmidi_lib,snd_seq_midi snd_seq 63074 3 snd_seq_midi_event,snd_seq_dummy,snd_seq_midi snd_seq_device 14497 4 snd_seq,snd_rawmidi,snd_seq_dummy,snd_seq_midi snd_timer 29562 3 snd_hrtimer,snd_pcm,snd_seq snd 79468 25 snd_usb_audio,snd_aloop,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_usbmidi_lib,snd_seq_device
Proc Asound ----------------------------------------------- 0 [C920 ]: USB-Audio - HD Pro Webcam C920 HD Pro Webcam C920 at usb-0000:00:1d.7-4, high speed 1 [Loopback ]: Loopback - Loopback Loopback 1 2 [VS20 ]: USB-Audio - VS-20 Cakewalk VS-20 at usb-0000:00:1a.1-2, full speed 3 [CODEC ]: USB-Audio - USB Audio CODEC Burr-Brown from TI USB Audio CODEC at usb-0000:00:1a.7-6.4, full speed 4 [GT001 ]: USB-Audio - GT-001 BOSS GT-001 at usb-0000:00:1a.7-1, high speed 1: : sequencer 2: [ 1] : control 3: [ 1- 0]: digital audio playback 4: [ 1- 0]: digital audio capture 5: [ 1- 1]: digital audio playback 6: [ 1- 1]: digital audio capture 7: [ 2] : control 8: [ 2- 0]: digital audio playback 9: [ 2- 0]: digital audio capture 10: [ 2- 0]: raw midi 11: [ 0] : control 12: [ 0- 0]: digital audio capture 13: [ 3] : control 14: [ 3- 0]: digital audio playback 15: [ 3- 0]: digital audio capture 16: [ 4] : control 17: [ 4- 0]: digital audio playback 18: [ 4- 0]: digital audio capture 19: [ 4- 0]: raw midi 33: : timer 00-00: USB Audio : USB Audio : capture 1 01-00: Loopback PCM : Loopback PCM : playback 8 : capture 8 01-01: Loopback PCM : Loopback PCM : playback 8 : capture 8 02-00: USB Audio : USB Audio : playback 1 : capture 1 03-00: USB Audio : USB Audio : playback 1 : capture 1 04-00: USB Audio : USB Audio : playback 1 : capture 1 Client info cur clients : 4 peak clients : 5 max clients : 192
Client 0 : "System" [Kernel] Port 0 : "Timer" (Rwe-) Port 1 : "Announce" (R-e-) Client 14 : "Midi Through" [Kernel] Port 0 : "Midi Through Port-0" (RWe-) Port 1 : "Midi Through Port-1" (RWe-) Port 2 : "Midi Through Port-2" (RWe-) Port 3 : "Midi Through Port-3" (RWe-) Client 24 : "VS-20" [Kernel] Port 0 : "VS-20 MIDI 1" (RWeX) Port 1 : "VS-20 MIDI 2" (RWeX) Client 32 : "GT-001" [Kernel] Port 0 : "GT-001 MIDI 1" (RWeX) Port 1 : "GT-001 MIDI 2" (RWeX) Port 2 : "GT-001 MIDI 3" (RWeX)
Dev Snd --------------------------------------------------- total 0 drwxr-xr-x 2 root root 120 Sep 21 11:17 by-id drwxr-xr-x 2 root root 140 Sep 21 11:17 by-path crw-rw----+ 1 root audio 116, 11 Sep 18 16:09 controlC0 crw-rw----+ 1 root audio 116, 2 Sep 18 16:09 controlC1 crw-rw----+ 1 root audio 116, 7 Sep 18 16:35 controlC2 crw-rw----+ 1 root audio 116, 13 Sep 18 16:09 controlC3 crw-rw----+ 1 root audio 116, 16 Sep 21 11:17 controlC4 crw-rw----+ 1 root audio 116, 10 Sep 18 16:35 midiC2D0 crw-rw----+ 1 root audio 116, 19 Sep 21 11:17 midiC4D0 crw-rw----+ 1 root audio 116, 12 Sep 21 11:17 pcmC0D0c crw-rw----+ 1 root audio 116, 4 Sep 21 11:17 pcmC1D0c crw-rw----+ 1 root audio 116, 3 Sep 21 11:17 pcmC1D0p crw-rw----+ 1 root audio 116, 6 Sep 21 11:17 pcmC1D1c crw-rw----+ 1 root audio 116, 5 Sep 21 11:17 pcmC1D1p crw-rw----+ 1 root audio 116, 9 Sep 21 11:17 pcmC2D0c crw-rw----+ 1 root audio 116, 8 Sep 21 11:17 pcmC2D0p crw-rw----+ 1 root audio 116, 15 Sep 21 11:17 pcmC3D0c crw-rw----+ 1 root audio 116, 14 Sep 21 11:17 pcmC3D0p crw-rw----+ 1 root audio 116, 18 Sep 21 11:17 pcmC4D0c crw-rw----+ 1 root audio 116, 17 Sep 21 11:17 pcmC4D0p crw-rw----+ 1 root audio 116, 1 Sep 18 16:09 seq crw-rw----+ 1 root audio 116, 33 Sep 18 16:09 timer
CPU ------------------------------------------------------- model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964 model name : Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz cpu MHz : 3989.964
RAM ------------------------------------------------------- MemTotal: 18488420 kB SwapTotal: 12572668 kB
Hardware -------------------------------------------------- 03:00.0 VGA compatible controller: NVIDIA Corporation G96GL [Quadro FX 380] (rev a1)
Interupts ------------------------------------------------- CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 0: 48811951 0 0 0 0 0 0 0 IO-APIC-edge timer 1: 11 0 0 0 0 0 0 0 IO-APIC-edge i8042 8: 1 0 0 0 0 0 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi acpi 12: 16 0 0 0 0 0 0 0 IO-APIC-edge i8042 16: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb3 18: 5124556 163319 158327 437929 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb8, firewire_ohci 19: 325267 13896 83955 159958 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb5, uhci_hcd:usb7 21: 1036201 0 230710 0 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb4 23: 592782 25702 353849 1661163 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb6 66: 30 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 67: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 68: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 69: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 70: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 71: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 72: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 73: 0 0 0 0 0 0 0 0 PCI-MSI-edge xhci_hcd 74: 115203 24153 263642 127794 0 0 0 0 PCI-MSI-edge ahci 75: 2767659 2074057 0 0 0 0 0 0 PCI-MSI-edge eth0 76: 1437112 1710820 1338068 1285065 0 0 0 0 PCI-MSI-edge ahci 77: 250289 0 0 0 0 0 0 0 PCI-MSI-edge nvidia NMI: 782 3470 3412 3600 25175 1900 1878 1889 Non-maskable interrupts LOC: 4034537 12008543 12954928 12367008 2650742 2731780 2831859 2820759 Local timer interrupts SPU: 0 0 0 0 0 0 0 0 Spurious interrupts PMI: 782 3470 3412 3600 25175 1900 1878 1889 Performance monitoring interrupts IWI: 5 0 2 0 0 0 0 0 IRQ work interrupts RTR: 17 17 0 0 0 0 0 0 APIC ICR read retries RES: 670617 339489 307088 285022 147590 176059 166329 156676 Rescheduling interrupts CAL: 59853 99019 93552 111099 79188 128309 92115 99425 Function call interrupts TLB: 587943 504015 516238 537952 386062 372979 395382 385494 TLB shootdowns TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 0 0 0 0 Machine check exceptions MCP: 488 486 486 486 486 486 486 486 Machine check polls HYP: 0 0 0 0 0 0 0 0 Hypervisor callback interrupts ERR: 0 MIS: 0