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=2.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,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 03AB6C47257 for ; Mon, 4 May 2020 12:48:12 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B1B6020661 for ; Mon, 4 May 2020 12:48:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="D4E4fQX/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1B6020661 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces+kernelnewbies=archiver.kernel.org@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.92.3) (envelope-from ) id 1jVaVz-0007Jc-QS for kernelnewbies@archiver.kernel.org; Mon, 04 May 2020 08:48:07 -0400 Received: from mail-lj1-x22a.google.com ([2a00:1450:4864:20::22a]) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.92.3) (envelope-from ) id 1jVaTC-0005Al-6A for kernelnewbies@kernelnewbies.org; Mon, 04 May 2020 08:45:14 -0400 Received: by mail-lj1-x22a.google.com with SMTP id e25so9506792ljg.5 for ; Mon, 04 May 2020 05:45:12 -0700 (PDT) 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=oU9e+ZJ2AlhAYcsnR/fD962hn7uMe3/pkN8d3Fiyma0=; b=D4E4fQX/nuEZqndymo98zq1cL3OPVyRCCzhiBsRzVP2Y5OZZpm6pSQRkkhZHh1S2lq KpkwgQOBvnSy5NKUB7mduZM/0djxn3LK84VD3nwfaOkNViSGwUUjTl3CyrKWERNS4V3q 7TOws/QM0GLlGS4PG969u8w02bbftb3w9bZCsM8PhkY+WCZUD1Y5bDEi/mACvARmByAm ZO0v6sQGDNupx7MHRHFI26ETU1BfVbH2lcJcZDMm4zhga6T+JtMm8bb+aT3TnfYJu1CX +4E9VywXIYPyWMLISLwE8mxky1QTzUkLUpFOyw2cSY2ZZe70XhX8Y1SxTJUWgW8rhmg6 RzqQ== 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=oU9e+ZJ2AlhAYcsnR/fD962hn7uMe3/pkN8d3Fiyma0=; b=SgMW6KYjssCd22yliWia/YluZbSbV7FS5/InXtBVK+WGJN8PjmpmaFE9e4R2AT6epQ emovHA60CGqTyyt6dMExK4WNJv01LHIz0h/0g40j1wbT9m03vAZdlF+gLMIms24wTlgG 3vGv+LkgVVu1YEiGf8V2F92KXaq3WvLEp6vSIp6vqIBMalbeu1NX6EUCUI3h621lhzZl qHaSVyIFOv+07ij+evnxwGHQU1TmqspOv0sGTMzkG0hXl7QO3rUcWzWUmX6k8s9iq/0Q g8ProjgQ+rC+5a/FOQnDxlor2Yz58Qo38u84Zt7jq1Q7aByivZ1pbLAV6PCorKFXQ1ql cGmA== X-Gm-Message-State: AGi0PubUY8wYPd8loxgXSCNpfujngtFt/DWpc2GzdihovgUcRqgHGvRc zhijZKD/wO7y8eUhUzErlXpjE9rE0nq34tdnXQgviyT+eUc= X-Google-Smtp-Source: APiQypLWA4ZgH+9LakRgMPskA/VT/AitTJtWYLUZX8WlCIQD23s7/8GKLoJQ+0yKZIZePdzKP9LB/ttmSQxghyyfTxA= X-Received: by 2002:a05:651c:549:: with SMTP id q9mr10478730ljp.236.1588596309894; Mon, 04 May 2020 05:45:09 -0700 (PDT) MIME-Version: 1.0 From: Majji SankaraRao Date: Mon, 4 May 2020 18:14:59 +0530 Message-ID: Subject: Reg : signature and/or required key missing To: kernelnewbies@kernelnewbies.org X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6537214721394919152==" Errors-To: kernelnewbies-bounces+kernelnewbies=archiver.kernel.org@kernelnewbies.org --===============6537214721394919152== Content-Type: multipart/alternative; boundary="000000000000be2e5205a4d1e6c7" --000000000000be2e5205a4d1e6c7 Content-Type: text/plain; charset="UTF-8" Hi, I got the following kernel message after inserting my sample char dev module into kernel version - 5.3.0-51-generic *[17866.747927] mychardev: module verification failed: signature and/or required key missing - tainting kernel* Please guide me how to solve this issue. Thanks in advance, Sankara Rao Majji --000000000000be2e5205a4d1e6c7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

I got the following kernel message = after inserting my sample char dev module into kernel version -=C2=A05.3.0-= 51-generic

[17866.747927] mychardev: module ver= ification failed: signature and/or required key missing - tainting kernel

Please guide me how to solve this issue.

Thanks in advance,
Sankara Rao Majji
=
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