From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06C8EC3A59E for ; Wed, 21 Aug 2019 13:36:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C34252339F for ; Wed, 21 Aug 2019 13:36:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566394588; bh=XnaGsMExOxs1cfvBXmQW/jiymoDFI/QbyIpNJOlrYr4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=fgGqVila26r0iSm14Wr9U68aarpibcBCGxaxbg5mpNG/6mz8j+dr/JQLKohUFtFiB P5tGYM3eV/kO4KHVB8Zp1zm0LABUAclqeU1AzGnXCD+jEH3bL/mh9XmcCDlrAXTs9j Dl48GtLscuC2K1/1XijqHI8u52X4jl1eo36goXJQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728942AbfHUNg2 (ORCPT ); Wed, 21 Aug 2019 09:36:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:58776 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726372AbfHUNg2 (ORCPT ); Wed, 21 Aug 2019 09:36:28 -0400 Received: from localhost (unknown [12.166.174.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A34E82339E; Wed, 21 Aug 2019 13:36:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566394586; bh=XnaGsMExOxs1cfvBXmQW/jiymoDFI/QbyIpNJOlrYr4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=X99DOBNOqBHEdshAtefgVXO1VZsYcme7BrjdJqb6qWdCHh/K5BbYtiKijmjXedob4 hIVU+aSmTIo2DbX4eExo519XvM0Ibv1H9LpvSMP2GCF5HPkDUbP7ENQRqyBK7onWHq QqJJd6/5bVMW/qLh5menkakOOYG8OWYy9ObdQgXs= Date: Wed, 21 Aug 2019 06:36:26 -0700 From: Greg KH To: walter harms Cc: "linux-usb@vger.kernel.org" , "Schmid, Carsten" Subject: Re: problems with Edgeport/416 Message-ID: <20190821133626.GA4890@kroah.com> References: <5D5D1C8C.9080000@bfs.de> <20190821112009.GA5228@kroah.com> <5D5D2F9E.7050805@bfs.de> <20190821122028.GA19107@kroah.com> <5D5D4170.4070001@bfs.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5D5D4170.4070001@bfs.de> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Wed, Aug 21, 2019 at 03:04:48PM +0200, walter harms wrote: > > > Am 21.08.2019 14:20, schrieb Greg KH: > > On Wed, Aug 21, 2019 at 01:48:46PM +0200, walter harms wrote: > >> > >> > >> Am 21.08.2019 13:20, schrieb Greg KH: > >>> On Wed, Aug 21, 2019 at 12:27:24PM +0200, walter harms wrote: > >>>> Hello List, > >>>> does some use linux with an Edgeport/416 ? > >>>> > >>>> I have a strange problem. the device is resetting soon > >>>> after i started using it (but not immediately). > >>>> I do not see a kernel OOPS but a common pattern is: > >>>> > >>>> 2019-08-20T15:19:39.825812+00:00 omnfrmo10 kernel: [683270.658623] usb 7-1.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > >>>> 2019-08-20T15:19:39.825818+00:00 omnfrmo10 kernel: [683270.658626] usb 7-1.1.2: Product: Edgeport/416 > >>>> 2019-08-20T15:19:39.825821+00:00 omnfrmo10 kernel: [683270.658628] usb 7-1.1.2: Manufacturer: Digi International > >>>> 2019-08-20T15:19:39.825823+00:00 omnfrmo10 kernel: [683270.658630] usb 7-1.1.2: SerialNumber: E63966100-1 > >>>> 2019-08-20T15:19:39.985571+00:00 omnfrmo10 kernel: [683270.817909] usb 7-1.1.2: Edgeport TI 2 port adapter converter now attached to ttyUSB4 > >>>> 2019-08-20T15:19:39.985594+00:00 omnfrmo10 kernel: [683270.818132] usb 7-1.1.2: Edgeport TI 2 port adapter converter now attached to ttyUSB5 > >>>> 2019-08-20T15:19:40.007943+00:00 omnfrmo10 mtp-probe: checking bus 7, device 88: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.1/7-1.1.2" > >>>> 2019-08-20T15:19:40.053750+00:00 omnfrmo10 kernel: [683270.885626] usb 7-1.2.2: New USB device found, idVendor=1608, idProduct=0247 > >>>> 2019-08-20T15:19:40.053791+00:00 omnfrmo10 kernel: [683270.885630] usb 7-1.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > >>>> 2019-08-20T15:19:40.053797+00:00 omnfrmo10 kernel: [683270.885633] usb 7-1.2.2: Product: Edgeport/416 > >>>> 2019-08-20T15:19:40.053800+00:00 omnfrmo10 kernel: [683270.885635] usb 7-1.2.2: Manufacturer: Digi International > >>>> 2019-08-20T15:19:40.053803+00:00 omnfrmo10 kernel: [683270.885637] usb 7-1.2.2: SerialNumber: E63966100-5 > >>>> 2019-08-20T15:19:40.065569+00:00 omnfrmo10 kernel: [683270.897406] usb 7-1.1.3: new full-speed USB device number 90 using uhci_hcd > >>>> 2019-08-20T15:19:40.213569+00:00 omnfrmo10 kernel: [683271.046316] usb 7-1.2.2: Edgeport TI 2 port adapter converter now attached to ttyUSB6 > >>>> 2019-08-20T15:19:40.213594+00:00 omnfrmo10 kernel: [683271.046782] usb 7-1.2.2: Edgeport TI 2 port adapter converter now attached to ttyUSB7 > >>>> 2019-08-20T15:19:40.242034+00:00 omnfrmo10 mtp-probe: checking bus 7, device 89: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.2/7-1.2.2" > >>>> 2019-08-20T15:19:40.301578+00:00 omnfrmo10 kernel: [683271.133380] usb 7-1.2.3: new full-speed USB device number 91 using uhci_hcd > >>>> 2019-08-20T15:19:40.357559+00:00 omnfrmo10 kernel: [683271.192815] usb 7-1.1.3: New USB device found, idVendor=1608, idProduct=0247 > >>>> 2019-08-20T15:19:40.357584+00:00 omnfrmo10 kernel: [683271.192820] usb 7-1.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > >>>> 2019-08-20T15:19:40.357588+00:00 omnfrmo10 kernel: [683271.192822] usb 7-1.1.3: Product: Edgeport/416 > >>>> 2019-08-20T15:19:40.357591+00:00 omnfrmo10 kernel: [683271.192825] usb 7-1.1.3: Manufacturer: Digi International > >>>> 2019-08-20T15:19:40.357593+00:00 omnfrmo10 kernel: [683271.192827] usb 7-1.1.3: SerialNumber: E63966100-2 > >>>> 2019-08-20T15:19:40.513702+00:00 omnfrmo10 kernel: [683271.349103] usb 7-1.1.3: Edgeport TI 2 port adapter converter now attached to ttyUSB8 > >>>> 2019-08-20T15:19:40.513725+00:00 omnfrmo10 kernel: [683271.349311] usb 7-1.1.3: Edgeport TI 2 port adapter converter now attached to ttyUSB9 > >>>> 2019-08-20T15:19:40.537138+00:00 omnfrmo10 mtp-probe: checking bus 7, device 90: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.1/7-1.1.3" > >>>> 2019-08-20T15:19:40.601754+00:00 omnfrmo10 kernel: [683271.433389] usb 7-1.1.4: new full-speed USB device number 92 using uhci_hcd > >>>> 2019-08-20T15:19:40.601794+00:00 omnfrmo10 kernel: [683271.433631] usb 7-1.2.3: New USB device found, idVendor=1608, idProduct=0247 > >>>> 2019-08-20T15:19:40.601798+00:00 omnfrmo10 kernel: [683271.433634] usb 7-1.2.3: New USB device strings: Mfr=1, Produc > >>> > >>> I don't see any errors there. What is the problem with the device? > >>> > >> You use it, it resets (ports gone etc) and appears again. > >> I suspected that the device is broken but i test today with windows > >> (and a different computer) showed it works fine. > > > > Different computer? Did you try windows on the same exact machine with > > same exact cable? This sounds like a hardware program, if the device > > disconnects,there's nothing the software can do about that, it's a > > hardware / electrical thing. > > > > Different computer but same cables i guess the device is ok. So the device works, but the connection to your other computer probably does not. I'm betting this is an electrical issue :) thanks, greg k-h