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,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 A03C7C48BCF for ; Sat, 12 Jun 2021 13:25:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30248613C3 for ; Sat, 12 Jun 2021 13:25:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231308AbhFLN1W (ORCPT ); Sat, 12 Jun 2021 09:27:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230191AbhFLN1V (ORCPT ); Sat, 12 Jun 2021 09:27:21 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19913C061574 for ; Sat, 12 Jun 2021 06:25:21 -0700 (PDT) Received: by mail-wr1-x42f.google.com with SMTP id n7so2896129wri.3 for ; Sat, 12 Jun 2021 06:25:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=00xV9d105HN9jx5nQTrpWNtAsSNDaA7khwlfB0pP1mU=; b=KpUdpbyfxq6W/oXnibs65Sx5IJw4Ihrvk9jSUgJr3TKCunYqvd76g0Hpw9x/Swo1cM o+EZv3gwEChkQnrASIhlirJo8zeOqDjb0cEh/FjxAXNgjIyE2GEzhMRR3PRZ26Macmbu UNmkTK79T+ZE4SSIK4oXtI4NySUivq4Noxq7WLmlZNtqH1w9Vc3l0lJsyKqiftbQQolx gqPWukQ4ZOVz60EBoFk9MekKqSOJIjGYgFVRDLquXmRnedhAqGHfVBBschRjc0sMN5uj PS2SdWNfP1xpP1olQTN12OLe01XMmQjHXhsZq7MBd5uEV+P2WB9u0A3EkwE3BxkX+/Sl zsfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=00xV9d105HN9jx5nQTrpWNtAsSNDaA7khwlfB0pP1mU=; b=Ygim55gGgD8vHeGO3clYxnwTbVTsFMJFV+1J1RqJAz6zinSz5/1nuaTFHHa/NfDcd0 j71gy76NjHo/GKf2AlX4xj0t9k3GZSnBRt8x5d3Xn+RwKVwt3rLDKg2WAK5qigXr3Y0y XIa4m5Bkad2JmOkj81QrcKB6HYtpLhjD+cHXQFB6MDfzSDHQCCq1qsJXOzwAuGng0Br5 0nMByV4RvpfhqDdKsnDUB941eSoC6XiC4mXOtG6eEPqg6J/urzMFttRvhImHMqtUCIn6 BluCdvDzwEyCy6NPqipAsQfM7f2zwveZrM7YMrqTmM5ZHvBerkr0qqRhWDtEM4lh2dCR 9dPQ== X-Gm-Message-State: AOAM5324TYvx3/WZh4nG3s2pLNjkKuPhZOquGKj/AdSyjggKOl8QmT/v wobwy20jqmc/ApT+eu1vWkclVvTGlLI= X-Google-Smtp-Source: ABdhPJw6IpzCn6Zze8ub44Tjoyx/Q71bXwWB7tY+6dvElvVZrTdQeZDFJE8XmccTZ17jKirq7MjDPw== X-Received: by 2002:adf:f382:: with SMTP id m2mr9284316wro.394.1623504319626; Sat, 12 Jun 2021 06:25:19 -0700 (PDT) Received: from gmail.com (77-234-80-172.pool.digikabel.hu. [77.234.80.172]) by smtp.gmail.com with ESMTPSA id q20sm13439568wrf.45.2021.06.12.06.25.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Jun 2021 06:25:18 -0700 (PDT) Sender: Ingo Molnar Date: Sat, 12 Jun 2021 15:25:16 +0200 From: Ingo Molnar To: Masahiro Yamada Cc: Michal Marek , Linux Kernel Mailing List Subject: Re: kbuild: Ctrl-C of parallel kernel build sometimes corrupts .o.cmd files permanently Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Masahiro Yamada wrote: > > Hmm, I do not know why GNU Make behaves like this... > > > > I will ask about this in GNU Make ML. > > > https://lists.gnu.org/archive/html/help-make/2021-06/msg00001.html > > > In short, 'tee' was also interrupted, > then 'make' got SIGPIPE, which terminated the app > due to the default behavior. So, what's the solution? It's rather common to run a build job while capturing a log via 'tee'. Ctrl-C only recently started corrupting the kernel build. (As in the past ~2 years ;-) Thanks, Ingo