linux-kernel - Re: [PATCH] usb: gadget: uvc_video: unlock before submitting a request to ep

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Message-ID: <CAKzKK0qrS=A5HyqrV=_WbjO8BFnDWJ1RPGu8j9sG8+DXyT88FQ@mail.gmail.com>
Date: Fri, 17 May 2024 10:42:05 +0800
From: Kuen-Han Tsai <khtsai@...gle.com>
To: "Pandey, Radhey Shyam" <radhey.shyam.pandey@....com>
Cc: Thinh Nguyen <Thinh.Nguyen@...opsys.com>, 
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, Dan Scally <dan.scally@...asonboard.com>, 
	"laurent.pinchart@...asonboard.com" <laurent.pinchart@...asonboard.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, "Simek, Michal" <michal.simek@....com>, 
	"Mehta, Piyush" <piyush.mehta@....com>, 
	"Paladugu, Siva Durga Prasad" <siva.durga.prasad.paladugu@....com>, "Sayyed, Mubin" <mubin.sayyed@....com>
Subject: Re: [PATCH] usb: gadget: uvc_video: unlock before submitting a
 request to ep

Hi Radhey Shyam,

> Thinh:  Unfortunately, i am not able to replicate failure behaviour and
> validate the below fix. Tested webcam gadget taking stream from vivid
> and then frame capture on host using yavta.
>
> @Kuen-Han Tsai: Do you have failure environment to replicate the hang?
>

Unfortunately, I don't have a failing environment to replicate the
hang. The reporter didn't provide the steps to reproduce the issue,
and all I have are kernel panic stack traces.

Regards,
Kuen-Han