From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:55613 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752488AbbAYLX7 (ORCPT ); Sun, 25 Jan 2015 06:23:59 -0500 Message-ID: <54C4D24D.2000706@iki.fi> Date: Sun, 25 Jan 2015 13:23:57 +0200 From: Antti Palosaari MIME-Version: 1.0 To: Robin Becker , linux-media@vger.kernel.org Subject: Re: usb3 + 2 x pctv290e issues References: In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Moikka! On 01/25/2015 11:33 AM, Robin Becker wrote: > Has anyone else her had the problem described in > > https://bugzilla.kernel.org/show_bug.cgi?id=65021 > > ie complete xhci freeze when a second pctv290e is accessed with vlc. > I'm wondering if this is a problem specific to em28xx or the pctv290e > or to this kind of device (ie dvb usb). I have seen multiple times USB3 issues and reboot is needed in order to solve those. USB3 is simply not enough robust yet. Due to that, I will never use USB3 ports when developing the drivers - I only test it very quickly when driver is about ready. regards Antti -- http://palosaari.fi/