From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: Aw: Re: dvb usb issues since kernel 4.9 From: Jesper Dangaard Brouer Message-Id: <20180108214055.1945c509@redhat.com> Date: Mon, 8 Jan 2018 21:40:55 +0100 To: Alan Stern Cc: Josef Griebichler , Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-usb@vger.kernel.org, Eric Dumazet , Rik van Riel , Paolo Abeni , Hannes Frederic Sowa , linux-kernel , netdev , Jonathan Corbet , LMML , Peter Zijlstra , David Miller , torvalds@linux-foundation.org List-ID: T24gTW9uLCA4IEphbiAyMDE4IDEyOjM1OjA4IC0wNTAwIChFU1QpIEFsYW4gU3Rlcm4gPHN0ZXJu QHJvd2xhbmQuaGFydmFyZC5lZHU+IHdyb3RlOgoKPiBPbiBNb24sIDggSmFuIDIwMTgsIEpvc2Vm IEdyaWViaWNobGVyIHdyb3RlOgo+IAo+ID4gTm8gSSBjYW4ndCBzb3JyeS4gVGhlcmUncyBubyBz YXQgY29ubmVjdGlvbiBuZWFyIHRvIG15IHdvcmtzdGF0aW9uLiAgCj4gCj4gQ2FuIHdlIGFzayB0 aGUgcGVyc29uIHdobyBtYWRlIHRoaXMgcG9zdDoKPiBodHRwczovL2ZvcnVtLmxpYnJlZWxlYy50 di90aHJlYWQvNDIzNS1kdmItaXNzdWUtc2luY2UtbGUtc3dpdGNoZWQtdG8ta2VybmVsLTQtOS14 Lz9wb3N0SUQ9NzU5NjUjcG9zdDc1OTY1Cj4gCj4gdG8gcnVuIHRoZSB0ZXN0PyAgVGhlIHBvc3Qg c2F5cyB0aGF0IHRoZSB0ZXN0aW5nIHdhcyBkb25lIG9uIGFuIHg4Nl82NCAKPiBtYWNoaW5lLgoK Rm9yID41IHllYXJzIGFnbyBJIHVzZWQgdG8gcGxheSBhIGxvdCB3aXRoIElQVFYgbXVsdGljYXN0 IE1QRUcyLVRTCnN0cmVhbXMgKEkgaW1wbGVtZW50ZWQgdGhlIHdpcmVzaGFyayBtcDJ0cyBkcm9w IGRldGVjdGluZywgYW5kIGEKb3V0LW9mLXRyZWUgbmV0ZmlsdGVyIGtlcm5lbCBtb2R1bGUgdG8g ZGV0ZWN0IGRyb3BzWzFdKS4gVGhlIHdlYi1zaXRlCmlzIGRlYWQsIGJ1dCBhcmNoaXZlLm9yZyBo YXZlIGEgY29weVsyXS4KCkxldCBtZSBxdW90ZSBteSBvd24gTGFiLXNldHVwIGRvY3VtZW50YXRp b25bM10uCgpZb3UgZG9uJ3QgbmVlZCBhIGxpdmUgSVBUViBNUEVHMlRTIHNpZ25hbCwgeW91IGNh biBzaW1wbHkgZ2VuZXJhdGUgeW91cgpvd24gdXNpbmcgVkxDOgoKICQgdmxjIH4vVmlkZW9zL3Rl c3RfdmlkZW8ubWt2IC1JIHJjIC0tc291dCAnI2R1cGxpY2F0ZXtkc3Q9c3Rke2FjY2Vzcz11ZHAs bXV4PXRzLGRzdD0yMzkuMjU0LjEuMTo1NTAwfX0nCgpWaWV3aW5nIHlvdXIgb3duIHNpZ25hbDog WW91IGNhbiB2aWV3IHlvdXIgb3duIGdlbmVyYXRlZCBzaWduYWwsIGFnYWluLApieSB1c2luZyBW TEMuCgogJCB2bGMgdWRwL3RzOi8vQDIzOS4yNTQuMS4xOjU1MDAKCkkgaG9wZSB0aGUgdmxjIHN5 bnRheCBpcyBzdGlsbCB2YWxpZC4gIEFuZCByZW1lbWJlciB0byBqb2luIHRoZQptdWx0aWNhc3Qg Y2hhbm5lbHMsIGlmIHlvdSBkb24ndCBoYXZlIGFuIGFwcGxpY2F0aW9uIHJlcXVlc3RpbmcgdGhl CnN0cmVhbSwgYXMgZGVzYyBpbiBbNF0uCgoKWzFdIGh0dHBzOi8vZ2l0aHViLmNvbS9uZXRvcHRp bWl6ZXIvSVBUVi1BbmFseXplcgpbMl0gaHR0cDovL3dlYi5hcmNoaXZlLm9yZy93ZWIvMjAxNTAz MjgyMDAxMjIvaHR0cDovL3d3dy5pcHR2LWFuYWx5emVyLm9yZzo4MC93aWtpL2luZGV4LnBocC9N YWluX1BhZ2UKWzNdIGh0dHA6Ly93ZWIuYXJjaGl2ZS5vcmcvd2ViLzIwMTUwMzI5MDk1NTM4L2h0 dHA6Ly93d3cuaXB0di1hbmFseXplci5vcmc6ODAvd2lraS9pbmRleC5waHAvTGFiX1NldHVwCls0 XSBodHRwOi8vd2ViLmFyY2hpdmUub3JnL3dlYi8yMDE1MDMyODIzNDQ1OS9odHRwOi8vd3d3Lmlw dHYtYW5hbHl6ZXIub3JnOjgwL3dpa2kvaW5kZXgucGhwL011bHRpY2FzdF9TaWduYWxfb25fTGlu dXgK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:45532 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757411AbeAHUlI (ORCPT ); Mon, 8 Jan 2018 15:41:08 -0500 Date: Mon, 8 Jan 2018 21:40:55 +0100 From: Jesper Dangaard Brouer To: Alan Stern Cc: Josef Griebichler , Mauro Carvalho Chehab , Greg Kroah-Hartman , , Eric Dumazet , Rik van Riel , Paolo Abeni , Hannes Frederic Sowa , linux-kernel , netdev , Jonathan Corbet , LMML , Peter Zijlstra , David Miller , Subject: Re: Re: dvb usb issues since kernel 4.9 Message-ID: <20180108214055.1945c509@redhat.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On Mon, 8 Jan 2018 12:35:08 -0500 (EST) Alan Stern wrote: > On Mon, 8 Jan 2018, Josef Griebichler wrote: > > > No I can't sorry. There's no sat connection near to my workstation. > > Can we ask the person who made this post: > https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965 > > to run the test? The post says that the testing was done on an x86_64 > machine. For >5 years ago I used to play a lot with IPTV multicast MPEG2-TS streams (I implemented the wireshark mp2ts drop detecting, and a out-of-tree netfilter kernel module to detect drops[1]). The web-site is dead, but archive.org have a copy[2]. Let me quote my own Lab-setup documentation[3]. You don't need a live IPTV MPEG2TS signal, you can simply generate your own using VLC: $ vlc ~/Videos/test_video.mkv -I rc --sout '#duplicate{dst=std{access=udp,mux=ts,dst=239.254.1.1:5500}}' Viewing your own signal: You can view your own generated signal, again, by using VLC. $ vlc udp/ts://@239.254.1.1:5500 I hope the vlc syntax is still valid. And remember to join the multicast channels, if you don't have an application requesting the stream, as desc in [4]. [1] https://github.com/netoptimizer/IPTV-Analyzer [2] http://web.archive.org/web/20150328200122/http://www.iptv-analyzer.org:80/wiki/index.php/Main_Page [3] http://web.archive.org/web/20150329095538/http://www.iptv-analyzer.org:80/wiki/index.php/Lab_Setup [4] http://web.archive.org/web/20150328234459/http://www.iptv-analyzer.org:80/wiki/index.php/Multicast_Signal_on_Linux -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer