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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 16724C33CA9 for ; Tue, 14 Jan 2020 05:10:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D04242075B for ; Tue, 14 Jan 2020 05:10:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AJBvN93C" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726038AbgANFK1 (ORCPT ); Tue, 14 Jan 2020 00:10:27 -0500 Received: from mail-ed1-f53.google.com ([209.85.208.53]:37125 "EHLO mail-ed1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725306AbgANFK1 (ORCPT ); Tue, 14 Jan 2020 00:10:27 -0500 Received: by mail-ed1-f53.google.com with SMTP id cy15so10737462edb.4 for ; Mon, 13 Jan 2020 21:10:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=38Xn5kkjNYpVa4hSEP0Dvfr334vAHZFF4EBH/4eeS2g=; b=AJBvN93Clt7AXeC4wGzcv7R7aRK0SWOurB2FdZwiOokT4ZPdEACSed/wtcwcvACRij hwm5rD3R5ImdGi9F3loTyJMnUbYW/in2SMMKOuQkehpEbqgeHCx9c31YJWZhUVORkiVa 6l8X8wAlOYnrCqkjZZGjIDb+WfEC++whLRxn4LOIhyUutX0vfLj26PXFMieMCB8DNRUc rl9OKNoMw8kOBihA5b5rEpFe0zogij+vnAyOOb4l8y4uxIf3PCPZTe7V1Nl9Bz5AbN53 zrI9Xq7yKUlSwbr0K4e94HnZroZDT3Acb+wr36viZ5mzZhyRAuRJeyR8maBuq/ps2KDQ KFLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=38Xn5kkjNYpVa4hSEP0Dvfr334vAHZFF4EBH/4eeS2g=; b=QmkNrggXAyi+KMB6uVc8ZQyDbEqhUN1TEXzuEMV3jmleXB5Q396vL/W+V04EPzubkr 0AP8mmE2HRcGmwEobbCyKfYr8OmNYQSKMAHjlc1AtN44lAt0UR9gKovIWcgd+q3s5TTf 7DEbNrcfovkDRIPxvDjIzK1Jn+PBYtaPl4+qSSeQcBvEYX3S93QNHk+ziY8CdKi9FrwV XPyPKDkB4EpHvLKABHH9n+/4RUJzZK8n1ByoR9bekwL3CHjM5aYr6MavEATF5P5diSq0 YSHfdBi1ugm6JpYL+NcSNC6xk0zglPFCJS3yw+SbP8DKXgLBuGPkA6jtb+bjC7AX2wbl 9/+Q== X-Gm-Message-State: APjAAAVobV+AvGkcaZL6IBBqoyn5wwmlRiDJ0LB7ff2EH2DYjLlo1Hrn MR+ZQF8tMj1ZDX7VgAmO/zqjDD/pFkNlWdeitQg= X-Google-Smtp-Source: APXvYqydYL/cw57ZCAC4BimfO+oATU+OBAwP/s3zh8YoLYsVmXmwMhcyopc8O3Ezswa1nSgeJiDD98iqkOjYS6nNvzU= X-Received: by 2002:a17:906:80d8:: with SMTP id a24mr20552035ejx.84.1578978625201; Mon, 13 Jan 2020 21:10:25 -0800 (PST) MIME-Version: 1.0 References: <1578923319.2590.13.camel@suse.com> In-Reply-To: <1578923319.2590.13.camel@suse.com> From: RAJESH DASARI Date: Tue, 14 Jan 2020 10:40:14 +0530 Message-ID: Subject: Re: Reg: USB network interface is down after the reboot To: Oliver Neukum Cc: linux-usb@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi Oliver, Thanks for your reply, Please find my response inline. Thanks, Rajesh Dasari. On Mon, Jan 13, 2020 at 7:35 PM Oliver Neukum wrote: > > Am Donnerstag, den 26.12.2019, 15:01 +0530 schrieb RAJESH DASARI: > > Could someone please help, why the usb0 is down on Device A side and > > it there is any known issue or is this expected behaviour? > > Hi, > > the kernel cannot just set devices running. Does it work if you up > the device (with "ip" or "ifconfig")? Rajesh : if i make ifconfig usb0 up on device A side, device is coming up and RUNNING bit is set, Your device on side A has no > IP. It cannot work. Rajesh : If i assign the ip address to the usb0 interface then also interface is coming up and RUNNING bit is set. We need to determine whether this is a kernel > issue or your setup in user space. Rajesh : If i don't run ifconfig usb0 up or if i don't set the ip address it is running bit is not set. Is it the standard behaviour. Could you please tell me how to find out it is a user space issue or kernel issue. > > HTH > Oliver >