Re: USB DWC2 stops responding when insert/remove cable multiple times

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Hello Minas,

On Fri, Feb 21, 2020 at 3:52 AM Minas Harutyunyan
<Minas.Harutyunyan@xxxxxxxxxxxx> wrote:
> On 2/20/2020 5:16 PM, Otavio Salvador wrote:
> > Hello Minas,
> >
> > Thanks for all your help on this, ...
> >
> > On Thu, Feb 20, 2020 at 3:59 AM Minas Harutyunyan
> > <Minas.Harutyunyan@xxxxxxxxxxxx> wrote:
> >>
> >> On 2/19/2020 7:10 PM, Otavio Salvador wrote:
> > ...
> >>> What sequence do you want us to do?
> >>
> Please provide dwc2 debug log when stop working with g_serial exception
> dump inside.
> Also provide dwc2 log when it's work without issue.

Attached.

> >> Yes. Can you provide also USB trace >
> > I can, however, it is not clear to me what you want us to do.
> >
> > Should we use, on host side, usbmon? or do you want something different?
> >
> Do you have any USB tracer equipment to record trace between host and
> device?

I don't. Can we instrument the kernel somehow to gather the info we need?

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9 9981-7854          Mobile: +1 (347) 903-9750



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