[alsa-devel] USB Audio device syncpipe error

Clemens Ladisch clemens at ladisch.de
Thu Sep 9 09:50:42 CEST 2010

6275 kson wrote:
> cannot submit syncpipe for urb 0, error -90: internal error

Documentation/usb/error-codes.txt says:
| -EMSGSIZE       (a) endpoint maxpacket size is zero; it is not usable
|                     in the current interface altsetting.
|                 (b) ISO packet is larger than the endpoint maxpacket.
|                 (c) requested data transfer length is invalid: negative
|                     or too large for the host controller.

So, what is the sync packet size?


More information about the Alsa-devel mailing list