From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Jean Delvare <jdelvare@suse.de>
Cc: linux-media@vger.kernel.org,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-usb@vger.kernel.org
Subject: Re: Logitech C270 webcam floods the log
Date: Wed, 23 Oct 2019 17:20:16 +0300 [thread overview]
Message-ID: <20191023142016.GA1904@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20191023151859.30a8ce88@endymion>
Hi Jean,
On Wed, Oct 23, 2019 at 03:18:59PM +0200, Jean Delvare wrote:
> Hi all,
>
> When my Logitech C270 webcam is plugged in, my kernel log gets filled
> with this message:
>
> usb 3-4.1: reset high-speed USB device number 4 using xhci_hcd
>
> every 5 seconds. I have the same problem on 3 different Intel-based
> computers (different generations), using 2 different webcams, same
> brand "same model".
>
> Is Logitech doing crappy hardware these days, or are we doing something
> wrong? Is there any way to know the reason that triggers the reset?
Is this before or after the uvcvideo driver gets involved ? One easy way
to check is to move the uvcvideo.ko module out of the way so that it
doesn't get loaded automatically (or just blacklist it in
/etc/modprobe.d/) and then plug the camera.
> I would be more than happy to provide any relevant debugging
> information if anyone is able to make it stop. As it stands, I must
> plug my webcam before using it and unplug it as soon as I'm done, which
> isn't exactly convenient.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2019-10-23 14:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 13:18 Logitech C270 webcam floods the log Jean Delvare
2019-10-23 14:20 ` Laurent Pinchart [this message]
2019-11-07 13:39 ` Jean Delvare
2019-11-07 13:52 ` Jean Delvare
2019-11-07 14:56 ` Oliver Neukum
2019-11-07 17:49 ` Jean Delvare
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