Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754319AbYKFW5h (ORCPT ); Thu, 6 Nov 2008 17:57:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751175AbYKFW5Z (ORCPT ); Thu, 6 Nov 2008 17:57:25 -0500 Received: from mx.logic.tuwien.ac.at ([128.130.175.19]:44621 "EHLO mx.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751381AbYKFW5Y (ORCPT ); Thu, 6 Nov 2008 17:57:24 -0500 Date: Thu, 6 Nov 2008 23:57:13 +0100 To: Alan Stern Cc: Pete Zaitcev , Mattia Dongili , Kernel development list , USB list Subject: Re: usb device not showing up Message-ID: <20081106225713.GD11406@gamma.logic.tuwien.ac.at> References: <20081106171958.GA17270@gamma.logic.tuwien.ac.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) From: Norbert Preining Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2532 Lines: 65 Hi Alan, On Do, 06 Nov 2008, Alan Stern wrote: > Okay. In the earlier (working) test, the modem showed up on bus 4, not > bus 2. Not that it matters much -- the modem didn't show up at all in Sorry, it is always bus 4, i meant interface (or how do you call it) 2, bus id 004:002 > this test, on any bus. Its USB interface seems to be electrically > disconnected or turned off. Right. > should start working, but I have no idea what that would be. It's not > a USB issue; as far as USB is concerned the device just isn't there at Ok, if it is not an usb issue, I guess I have to hope for some fix in sony-laptop module. > Interestingly, this trace appears to be missing some events. There's a > gap between timestamps 4284549076 and 4284645743 (the timestamps are in > the second column) where we should see the initialization of bus 5 and > bus 6. Instead there's a 100-ms delay in which nothing happens, > followed later on by the second initialization phase for those two > buses. > > I have to wonder... Did you remove any part of the trace? Did usbmon No. I sent you the output as it was saved on my hard disk. No editing involved. > malfunction? Did parts of the initialization for those two buses > really get skipped (I can't imagine how)? No idea. I can redo any tests you want, but I can guarantee that I didn't tinker with the usbmon-bad.txt file itself, it was created with cat .../0u > usbmon-bad.txt Best wishes Norbert ------------------------------------------------------------------------------- Dr. Norbert Preining Vienna University of Technology Debian Developer Debian TeX Group gpg DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------------- Someone down there is trying to kill us!' `Terrific,' said Arthur. `But don't you see what this means?' `Yes. We are going to die.' `Yes, but apart from that.' `APART from that?' `It means we must be on to something!' `How soon can we get off it?' --- Zaphod and Arthur in a certain death situation over --- Magrathea. --- Douglas Adams, The Hitchhikers Guide to the Galaxy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/