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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 E530DC35240 for ; Sun, 2 Feb 2020 08:19:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8303A205F4 for ; Sun, 2 Feb 2020 08:19:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="BaVurHIL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726834AbgBBITR (ORCPT ); Sun, 2 Feb 2020 03:19:17 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:38581 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726825AbgBBITQ (ORCPT ); Sun, 2 Feb 2020 03:19:16 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 489P4b5b7lz9tyWH; Sun, 2 Feb 2020 09:19:11 +0100 (CET) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=BaVurHIL; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id B9NtGOyoWiNR; Sun, 2 Feb 2020 09:19:11 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 489P4b3vmYz9tyW9; Sun, 2 Feb 2020 09:19:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1580631551; bh=nozbN1o9P4CquvGdWc1FeJctNG7HaAWCWuutf8WmoXU=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=BaVurHIL6TimjlEGYLds15Z9up+mVUQ6HV+193Whp9YFYK5rM+qPDpX1j0Fa5jLCv v9NWpQ21dmPmw6A/Z+xZ4BegodThZOkQUgVpRLkN0K0YjzDpsRRdSCWGxRUG3yReVW O72UzU/h74/kFSX47OMjhnFbv5L1NLTG6Lk2xUrA= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 5B0F38B767; Sun, 2 Feb 2020 09:19:14 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id finORXVEXN_k; Sun, 2 Feb 2020 09:19:14 +0100 (CET) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C6DDD8B752; Sun, 2 Feb 2020 09:19:13 +0100 (CET) Subject: Re: Latest Git kernel: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device To: Christian Zigotzky , Michael Ellerman Cc: DTML , Darren Stevens , Linux Kernel Mailing List , linuxppc-dev@ozlabs.org, "contact@a-eon.com" , "R.T.Dickinson" , Christoph Hellwig References: <20200126115247.13402-1-mpe@ellerman.id.au> <58a6d45c-0712-18df-1b14-2f04cf12a1cb@xenosoft.de> From: Christophe Leroy Message-ID: <75aab3c9-1cb6-33bf-5de1-e05bbd98b6fb@c-s.fr> Date: Sun, 2 Feb 2020 09:19:08 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <58a6d45c-0712-18df-1b14-2f04cf12a1cb@xenosoft.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hello, Le 02/02/2020 à 01:08, Christian Zigotzky a écrit : > Hello, > > We regularly compile and test Linux kernels every day during the merge > window. Since Thuesday we have very high CPU loads because of the avahi > daemon on our desktop Linux systems (Ubuntu, Debian etc). > > Error message: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device Do you know which ioctl, on which device ? Can you take a trace of running avahi-daemon with 'strace' ? Can you bisect ? Christophe