[alsa-devel] Audio USB disappears suddenly

[Clemens Ladisch]

mobidyc wrote:
> USB DAC suddenly disappears, from dmesg I can see:
>
> [13083.161157] usb 1-1.3: 1:2: usb_set_interface failed (-110)
> [13083.316344] usb 1-1.3: 1:2: usb_set_interface failed (-71)
> [13083.471927] usb 1-1.3: 1:2: usb_set_interface failed (-71)
> [13083.789810] usb 1-1.3: 1:2: usb_set_interface failed (-71)

These error codes indicate that the device's firmware does not react at
all.  Either the firmware has locked up due to a bug, or the hardware
has shut down for some reason.


Regards,
Clemens