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=-4.0 required=3.0 tests=BAYES_00,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 861C5C4727C for ; Wed, 30 Sep 2020 15:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 325512071E for ; Wed, 30 Sep 2020 15:15:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730236AbgI3PP1 convert rfc822-to-8bit (ORCPT ); Wed, 30 Sep 2020 11:15:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:39144 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728031AbgI3PPO (ORCPT ); Wed, 30 Sep 2020 11:15:14 -0400 From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 209411] When retrieving string descriptor from mobile device returns eproto error Date: Wed, 30 Sep 2020 15:15:13 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rachithas104@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209411 --- Comment #15 from rachithas104@gmail.com --- (In reply to Alan Stern from comment #14) > You can get the descriptor values by running "lsusb -v". > > If the phone fails when you reset it, you should change your program. Don't > issue the reset command! > > Why did you open this bug report in the first place? Since the device with 4.14 kernel works and 4.19 fails,I opened whether there is any protocol change ,so that I can change my program accrordingly,I am seeing this in syslog when issued reset command kernel: [85237.846504] usb 1-1.2: reset high-speed USB device number 19 using ehci-pci kernel: [85238.146480] usb 1-1.2: device descriptor read/64, error -71 kernel: [85238.558551] usb 1-1.2: reset high-speed USB device number 19 using ehci-pci kernel: [85239.062496] usb 1-1.2: device not accepting address 19, error -71 kernel: [85239.350498] usb 1-1.2: reset high-speed USB device number 19 using ehci-pci kernel: [85240.544425] usb 1-1.2: usbfs: USBDEVFS_CONTROL failed cmd ctxusb rqt 128 rq 6 len 255 ret -71 0 kernel: [85240.838479] usb 1-1.2: reset high-speed USB device number 19 using ehci-pci -- You are receiving this mail because: You are watching the assignee of the bug.