Hi balbi: >-----Original Message----- >From: Felipe Balbi [mailto:felipe.balbi@xxxxxxxxxxxxxxx] >Sent: Monday, January 21, 2019 4:17 PM >To: Zengtao (B) <prime.zeng@xxxxxxxxxxxxx> >Cc: Zengtao (B) <prime.zeng@xxxxxxxxxxxxx>; Greg Kroah-Hartman ><gregkh@xxxxxxxxxxxxxxxxxxx>; linux-usb@xxxxxxxxxxxxxxx; >linux-kernel@xxxxxxxxxxxxxxx >Subject: Re: [PATCH] usb: dwc3: gadget: issue a stop command for ISOC >endpoint > >* PGP Signed by an unknown key > > >Hi, > >Zeng Tao <prime.zeng@xxxxxxxxxxxxx> writes: >> For ISOC transfers, if there is no available data for a period, we >> need to stop the transfer by issue a stop command, otherwise, all the >> upcoming transfers will started by update transfer command, and will >> be dropped with MISS ISOC errors. > >We, actually, have code to handle missed isoc errors now. Have you tested >with that applied? Which kernel are you using? Can you share tracepoints >captured with v5.0-rc3? > Not v5.0-rc3, but I tested it based on 4.9 with backported dwc3 driver. And with UVC application, it's very easy to reproduce it. >-- >balbi > >* Unknown Key >* 0xE11A9906
