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Re: PR/54696 CVS commit: src/sys/external/bsd/dwc2

On 05/12/2019 05:00, wrote:
The following reply was made to PR port-arm/54696; it has been noted by GNATS.

From: <>
To: <>
Subject: RE: PR/54696 CVS commit: src/sys/external/bsd/dwc2
Date: Wed, 4 Dec 2019 20:58:28 -0800

  David Hopper wrote:

  >I don't see any bus_dma errors, but even with non-DIAGNOSTIC kernel, with
  dwc2.c v1.64 I still get a flood of:
  >  uaudio_chan_pintr: count(40) != size(1920)
  >to console when playing a .wav file from sox / play using OSS; playback is
  garbled as a result.  Let me know what information you need.

  I found the errant kernel include and ran with an actual !DIAGNOSTIC config.
  :/ I'm no longer getting the bus_dma panics, but audio is still unworkable
  even without the uaudio_chan_pintr errors in the console (.wav files play
  very slowly and there's a kind of fireplace crackling static in the audio
  channel).  I suppose because that error is still happening internally.

  At any rate, the scope of this bug could arguably be closed as the panic is
  fixed, and if desired I can re-open another bug on the uaudio issues.

This is most likely a dwc2 bug. When I first ported dwc2 I'm not sure I
did much if any isoc transfer testing. I see some fixes in the upstream
driver, but not for out ISOC atm.


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