From: Michal Pecio <michal.pecio@gmail.com>
To: Henry Lin <henryl@nvidia.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/1] media: uvcvideo: reset interface on bulk stream stop
Date: Thu, 28 May 2026 18:45:24 +0200 [thread overview]
Message-ID: <20260528184524.08e98ddb.michal.pecio@gmail.com> (raw)
In-Reply-To: <SAWPR12MB9991187DB56BAB00EB2550E897AC092@SAWPR12MB999118.namprd12.prod.outlook.com>
On Thu, 28 May 2026 08:36:12 +0000, Henry Lin wrote:
> > Were you seeing one such error for each restart, followed by
> > uvcvideo dropping a few frames and continuing to stream normally,
> > or multiple transaction errors and complete functional failure?
>
> On the NVIDIA xHCI host controller, I see the former.
>
> After each stop/start cycle, uvcvideo reports one -71 completion
> error, and only the first frame is broken. Streaming then continues
> normally. I do not see multiple transaction errors or a complete
> functional failure.
>
> With 25e531b422dc applied, the -71 completion error no longer appears
> in the same test.
No worries then, this is expected behavior and a known bug, now fixed.
Regards,
Michal
prev parent reply other threads:[~2026-05-28 16:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-25 18:20 Henry Lin
2026-05-25 18:20 ` [RFC PATCH 1/1] " Henry Lin
2026-05-25 19:40 ` [RFC PATCH 0/1] " Alan Stern
2026-05-26 9:57 ` Henry Lin
2026-05-25 23:55 ` Michal Pecio
2026-05-26 9:55 ` Henry Lin
2026-05-26 10:16 ` Michal Pecio
2026-05-28 8:36 ` Henry Lin
2026-05-28 16:45 ` Michal Pecio [this message]
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