Date: Fri, 19 Aug 2016 15:57:28 +0200 From: Hans Petter Selasky <hps@selasky.org> To: =?UTF-8?B?T3RhY8OtbGlv?= <otacilio.neto@bsd.com.br>, vbox@FreeBSD.org, freebsd-multimedia@freebsd.org Subject: Re: [CFT] New version of webcamd, now v4.8.0.2 Message-ID: <9e8a8e0e-39f6-ce4e-2bb7-9399163d870c@selasky.org> In-Reply-To: <de24bd76-e382-c055-8b64-3824c69d3de4@bsd.com.br> References: <d2b588e6-33b3-9523-1551-a1d9deabdf8c@selasky.org> <de24bd76-e382-c055-8b64-3824c69d3de4@bsd.com.br>
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On 08/19/16 15:42, Otacílio wrote: > Dears, I'm facing a huge CPU usage in the follow scenario: > > I'm using a 11.0-RC1 amd64 in vbox guest. The virtualbox-ose-additions > is 5.0.26. When I'm sharing my notebook integrated webcam with guest I > noted a increase of kernel CPU usage. But, when I open the webcam the > CPU usage increases at a point that the machine starts to freeze. The > camera works but the frame rate is low. I was using the version from > ports with this behavior but this new version stay with the same > problem. If I remember, with virtualbox series 4 this problem not > happens. So, can it be a webcamd or is really a new version of > virtualbox problem? > Hi, Try to run "usbdump -i usbusX -f Y" where X and Y are the numbers after ugenX.Y for your webcam device. It will reveal all USB traffic. Maybe some USB transfers are looping infinitely using up CPU. --HPS
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