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

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

The following reply was made to PR port-arm/54696; it has been noted by GNATS.

From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
To: gnats-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
 dhop%nwlink.com@localhost
Cc: 
Subject: Re: PR/54696 CVS commit: src/sys/external/bsd/dwc2
Date: Thu, 5 Dec 2019 06:29:36 +0000

 On 05/12/2019 05:00, dhop%nwlink.com@localhost wrote:
 > The following reply was made to PR port-arm/54696; it has been noted by =
 GNATS.
 >
 > From: <dhop%nwlink.com@localhost>
 > To: <gnats-bugs%netbsd.org@localhost>
 > Cc:
 > 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) !=3D size(1920)
 >   >
 >   >to console when playing a .wav file from sox / play using OSS; playba=
 ck is
 >   garbled as a result.  Let me know what information you need.
 >
 >   I found the errant kernel include and ran with an actual !DIAGNOSTIC c=
 onfig.
 >   :/ I'm no longer getting the bus_dma panics, but audio is still unwork=
 able
 >   even without the uaudio_chan_pintr errors in the console (.wav files p=
 lay
 >   very slowly and there's a kind of fireplace crackling static in the au=
 dio
 >   channel).  I suppose because that error is still happening internally.
 >
 >   At any rate, the scope of this bug could arguably be closed as the pan=
 ic 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.
 
 Nick