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 7733CC2D0DB for ; Fri, 24 Jan 2020 12:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49D5020678 for ; Fri, 24 Jan 2020 12:26:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="u7CYc7l2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731476AbgAXM0T (ORCPT ); Fri, 24 Jan 2020 07:26:19 -0500 Received: from mail-io1-f50.google.com ([209.85.166.50]:45369 "EHLO mail-io1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730535AbgAXM0T (ORCPT ); Fri, 24 Jan 2020 07:26:19 -0500 Received: by mail-io1-f50.google.com with SMTP id i11so1639422ioi.12 for ; Fri, 24 Jan 2020 04:26:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=7MzVSdT06QIa04Hu9w/Z1iFlayTsxN6xp9kVfWchjSw=; b=u7CYc7l2IprCKGLDeV6s/uaGVmaZhc1AjozKUG3WDWa3jrUUHHfsp6tNO2MdAgzaW6 zzCEqBeTAnbtbZ06L+ENcwjCZ7Dp1f4BvRqMEFmCMh3aU8WotRaniS6byop344w/ty+k 7kjNxWB94OZu/6BItBSTpPG3utCtSgd9OwsoIskA9Hw+FwcquQYU/Z+NFyf1ER3PEo1p MQsckS8vWAHFxggimdzRy+AvhUrAZoMsjzml4uVLOPFsn9IFN6BqhWhXjhkS+ta/2/BL vON6K0rPW6JZzHCDWyOtANazb2N1MqzW4CUDjGnYb4jHR3ML2gXFvOx3Il3QWv2/jYkm FV3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=7MzVSdT06QIa04Hu9w/Z1iFlayTsxN6xp9kVfWchjSw=; b=CnG7YXeSbJY3AhnIbmDXNyxPzqNwgIvlRhPCOXeHCMOl0kL2QpWOEtBM/1I/7E7NfL 2npPMUxL9hQnGb884+6GppjtQcAFkhyfM0KwG7l7BPXMQUEXcrRPdBj58LJ+Z4ffwS/r 15hM2oYlykBCmZwZCl1UuprcekyMcg+Wv1RhI9qzgAD+VOZ6mSjkZhkm0DTQ5SFHuzoo 3SYTOg97QASbL0FwTZV12vyeMACvPtc/mi/e/DjiakEweJoNTFsEIE0mmr1z7cqqwVG0 fEXzzbzaYeqmw5JMbb+nxvJLOw1m3hcXRdjBIl/ZrbcNZBpk7DcDj8khylrL1QkdvnUm +c3w== X-Gm-Message-State: APjAAAUwKP7RIQLPR6DZ3RC2cFDnkEA5OrK465U/dv+tSNn1UHU6CNKZ GFdCVTVybhynJIs14giixGaQGfdj130CsJl97HYfTX3D X-Google-Smtp-Source: APXvYqzLFD6bvOiplfc3Y28mCT53lGLsI8tvCL30xXB2UKyxMzDngUoXPM63MqorEKWjOeO8AgcFuGPtLld15FFzndc= X-Received: by 2002:a02:2a8e:: with SMTP id w136mr2253228jaw.117.1579868778791; Fri, 24 Jan 2020 04:26:18 -0800 (PST) MIME-Version: 1.0 Received: by 2002:ad5:5d0d:0:0:0:0:0 with HTTP; Fri, 24 Jan 2020 04:26:18 -0800 (PST) From: JH Date: Fri, 24 Jan 2020 23:26:18 +1100 Message-ID: Subject: qmi_wwan error To: linux-usb 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, I am running kernel 4.19.75 on iMX6 with a uBlox SARA-R4 LTE modem, the modem manager is oFono, connect manager is connman. It could connect to LTE between half hours to hours, then it dropped LTE connection randomly, here are error messages, what could cause the qmi_wwan status received: -71 and qmi_wwan usb_submit_urb failed with result -19 errors? [ 1018.944840] usb 1-1: USB disconnect, device number 2 [ 1019.072845] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [ 1019.130834] option 1-1:1.0: device disconnected [ 1019.142012] qmi_wwan 1-1:1.3: nonzero urb status received: -71 [ 1019.147909] qmi_wwan 1-1:1.3: wdm_int_callback - 0 bytes [ 1019.153254] qmi_wwan 1-1:1.3: wdm_int_callback - usb_submit_urb failed with result -19 [ 1019.228197] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [ 1019.274475] option 1-1:1.2: device disconnected [ 1019.340442] qmi_wwan 1-1:1.3 wwan0: unregister 'qmi_wwan' usb-ci_hdrc.1-1, WWAN/QMI device [ 1022.827992] usb 1-1: new high-speed USB device number 3 using ci_hdrc [ 1023.057165] option 1-1:1.0: GSM modem (1-port) converter detected [ 1023.097815] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 [ 1023.157293] option 1-1:1.2: GSM modem (1-port) converter detected [ 1023.178163] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 [ 1023.201251] qmi_wwan 1-1:1.3: cdc-wdm0: USB WDM device [ 1023.243783] qmi_wwan 1-1:1.3 wwan0: register 'qmi_wwan' at usb-ci_hdrc.1-1, WWAN/QMI device, 16:ed:38:aa:c5:90 Thank you. Kind regards, - jh