https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252712

Hans Petter Selasky <hsela...@freebsd.org> changed:

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--- Comment #1 from Hans Petter Selasky <hsela...@freebsd.org> ---
It is likely a bug regarding the bandwidth allocation for XHCI ISOCH endpoints.

When we setup an endpoint context we need to fill in some parameters to tell
the hardware how many bytes to reserve. Likely these are wrong:

Refer to:

XHCI_EPCTX_4_MAX_ESIT_PAYLOAD_SET(max_frame_size)

in xhci.c

Maybe you can play with the parameter.

--HPS

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