Re: [Alsa-user] Schiit USB audio dac

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hi.

kernel, 3.2.0-29-generic

I have disabled Pulse. ps -ef | grep -i pulse does not show any processes.

aplay -l gives me this
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC1200 Analog [ALC1200 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC1200 Digital [ALC1200 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Device [Schiit USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Every few seconds I get this in my kern.log

Apr 12 19:10:33 user-GN561AA-ABA-a6230n kernel: [  159.400995] usb 1-6: USB
disconnect, device number 41
Apr 12 19:10:33 user-GN561AA-ABA-a6230n kernel: [  159.660048] usb 1-6: new
high-speed USB device number 42 using ehci_hcd
Apr 12 19:10:33 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
42: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:33 user-GN561AA-ABA-a6230n kernel: [  159.811916] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input51
Apr 12 19:10:33 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 42 was
not an MTP device
Apr 12 19:10:33 user-GN561AA-ABA-a6230n kernel: [  159.812182] generic-usb
0003:0D8C:1319.0029: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:36 user-GN561AA-ABA-a6230n kernel: [  162.736041] usb 1-6: USB
disconnect, device number 42
Apr 12 19:10:36 user-GN561AA-ABA-a6230n kernel: [  162.988073] usb 1-6: new
high-speed USB device number 43 using ehci_hcd
Apr 12 19:10:36 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
43: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:36 user-GN561AA-ABA-a6230n kernel: [  163.139872] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input52
Apr 12 19:10:36 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 43 was
not an MTP device
Apr 12 19:10:36 user-GN561AA-ABA-a6230n kernel: [  163.140415] generic-usb
0003:0D8C:1319.002A: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:37 user-GN561AA-ABA-a6230n kernel: [  163.397515] usb 1-6: USB
disconnect, device number 43
Apr 12 19:10:37 user-GN561AA-ABA-a6230n kernel: [  163.644041] usb 1-6: new
high-speed USB device number 44 using ehci_hcd
Apr 12 19:10:37 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
44: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:37 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 44 was
not an MTP device
Apr 12 19:10:37 user-GN561AA-ABA-a6230n kernel: [  163.796094] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input53
Apr 12 19:10:37 user-GN561AA-ABA-a6230n kernel: [  163.796341] generic-usb
0003:0D8C:1319.002B: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:41 user-GN561AA-ABA-a6230n kernel: [  167.514050] usb 1-6: USB
disconnect, device number 44
Apr 12 19:10:41 user-GN561AA-ABA-a6230n kernel: [  167.764101] usb 1-6: new
high-speed USB device number 45 using ehci_hcd
Apr 12 19:10:41 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
45: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:41 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 45 was
not an MTP device
Apr 12 19:10:41 user-GN561AA-ABA-a6230n kernel: [  167.916205] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input54
Apr 12 19:10:41 user-GN561AA-ABA-a6230n kernel: [  167.916528] generic-usb
0003:0D8C:1319.002C: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:43 user-GN561AA-ABA-a6230n kernel: [  169.799852] usb 1-6: USB
disconnect, device number 45
Apr 12 19:10:43 user-GN561AA-ABA-a6230n kernel: [  170.060033] usb 1-6: new
high-speed USB device number 46 using ehci_hcd
Apr 12 19:10:44 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
46: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:44 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 46 was
not an MTP device
Apr 12 19:10:44 user-GN561AA-ABA-a6230n kernel: [  170.210974] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input55
Apr 12 19:10:44 user-GN561AA-ABA-a6230n kernel: [  170.211222] generic-usb
0003:0D8C:1319.002D: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:46 user-GN561AA-ABA-a6230n kernel: [  172.583344] usb 1-6: USB
disconnect, device number 46
Apr 12 19:10:46 user-GN561AA-ABA-a6230n kernel: [  172.844069] usb 1-6: new
high-speed USB device number 47 using ehci_hcd
Apr 12 19:10:46 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
47: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:46 user-GN561AA-ABA-a6230n mtp-probe: bus: 1, device: 47 was
not an MTP device
Apr 12 19:10:46 user-GN561AA-ABA-a6230n kernel: [  172.996548] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input56
Apr 12 19:10:46 user-GN561AA-ABA-a6230n kernel: [  172.996763] generic-usb
0003:0D8C:1319.002E: input,hidraw0: USB HID v1.00 Device [Schiit Schiit USB
Audio Device] on usb-0000:00:02.1-6/input2
Apr 12 19:10:47 user-GN561AA-ABA-a6230n kernel: [  173.952646] usb 1-6: USB
disconnect, device number 47
Apr 12 19:10:48 user-GN561AA-ABA-a6230n kernel: [  174.212057] usb 1-6: new
high-speed USB device number 48 using ehci_hcd
Apr 12 19:10:48 user-GN561AA-ABA-a6230n mtp-probe: checking bus 1, device
48: "/sys/devices/pci0000:00/0000:00:02.1/usb1/1-6"
Apr 12 19:10:48 user-GN561AA-ABA-a6230n kernel: [  174.363802] input:
Schiit Schiit USB Audio Device as
/devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input57

On Sat, Apr 12, 2014 at 1:16 PM, chris hermansen <clh...@gm...>wrote:

> Rita and list;
>
> On Sat, Apr 12, 2014 at 6:01 AM, Rita <rmo...@gm...> wrote:
> > I am also seeing
> >
> > [12131.872114] input: Schiit Schiit USB Audio Device as
> > /devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input1424
> > [12131.872438] generic-usb 0003:0D8C:1319.0567: input,hidraw0: USB HID
> v1.00
> > Device [Schiit Schiit USB Audio Device] on usb-0000:00:02.1-6/input2
> > [12160.069461] cannot submit syncpipe for urb 0, error -90: internal
> error
> >
> > this is in my kern.log
> >
> >
> >
> > On Sat, Apr 12, 2014 at 6:26 AM, Rita <rmo...@gm...> wrote:
> >>
> >> Hello,
> >>
> >> I am trying to get Schitt USB audio DAC to work with Ubuntu.
> >>
> >>
> >> When I plug in the USB it detects it
> >>
> >> dmesg output
> >> [ 2534.791965] input: Schiit Schiit USB Audio Device as
> >> /devices/pci0000:00/0000:00:02.1/usb1/1-6/1-6:1.2/input/input23
> >> [ 2534.792578] generic-usb 0003:0D8C:1319.000D: input,hidraw0: USB HID
> >> v1.00 Device [Schiit Schiit USB Audio Device] on
> usb-0000:00:02.1-6/input2
> >>
> >> aplay -L output
> >>
> >> sysdefault:CARD=Device
> >>     Schiit USB Audio Device, USB Audio
> >>     Default Audio Device
> >> front:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     Front speakers
> >> surround40:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     4.0 Surround output to Front and Rear speakers
> >> surround41:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     4.1 Surround output to Front, Rear and Subwoofer speakers
> >> surround50:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     5.0 Surround output to Front, Center and Rear speakers
> >> surround51:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> >> surround71:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
> >> iec958:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     IEC958 (S/PDIF) Digital Audio Output
> >> dmix:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     Direct sample mixing device
> >> dsnoop:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     Direct sample snooping device
> >> hw:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     Direct hardware device without any conversions
> >> plughw:CARD=Device,DEV=0
> >>     Schiit USB Audio Device, USB Audio
> >>     Hardware device with all software conversions
> >>
> >>
> >> alsamixer also sees it. Need to press "S"
> >>
> >> When I try to play a audio file using mplayer I get,
> >>
> >>
> >> [AO_ALSA] alsa-lib: pcm_hw.c:1293:(snd_pcm_hw_open) open
> >> '/dev/snd/pcmC1D0p' failed (-16): Device or resource busy
> >> [AO_ALSA] Playback open error: Device or resource busy
> >> Failed to initialize audio driver 'alsa:device=hw=1.0'
>
> Rita, I have a Schiit Bifrost but I run it over TOSLINK.
>
> In any case, is it possible that your Pulse Audio setup is interfering
> with your Alsa connection?  Can you disable Pulse and try again just
> to check?
>
> What kernel are you running?
>
> What happens when you use aplay to play a file, especially through the
> "hw" or "plughw" interface?
>
> --
> Chris Hermansen · clhermansen "at" gmail "dot" com
>
> C'est ma façon de parler.
>

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