From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6525492966897745920 X-Received: by 10.28.178.80 with SMTP id b77mr824503wmf.5.1520193037953; Sun, 04 Mar 2018 11:50:37 -0800 (PST) X-BeenThere: isar-users@googlegroups.com Received: by 10.28.4.212 with SMTP id 203ls1154515wme.0.canary-gmail; Sun, 04 Mar 2018 11:50:37 -0800 (PST) X-Google-Smtp-Source: AG47ELukkEsypX2NKwmd+2v6pjMCJ7/pHaA9tmGCXP4H30mBgvZwEo6BdmKFG8A+WHcY8N+5nnWp X-Received: by 10.28.247.4 with SMTP id v4mr871333wmh.1.1520193037359; Sun, 04 Mar 2018 11:50:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1520193037; cv=none; d=google.com; s=arc-20160816; b=LeW4a31HWbBwxQU38DkfUITf1oF9e9y+82vXrpHDzFHL9A5ancqse0yTOs9NwQWa5S tjjQbsIV042orcF4VfmFE3E0nAu16Pw+pW2wqjlkVq2AMhsnQg2AN0Z+nl/k5pAcQChR E0L83Pmru3PvPxnwAwidfoWijGDIqKRw/wtDUntv1NHDbmtmbH8s8sJCdMpXn8lqCr8i EBHmHNBUSWBFWUquumcGFg21u/De7pzH0IX4wE4yY00+uCu/UNeNxFoq8V5YoFoP5Qpx HYfEXlw1c8pp5z+NLn+cf0FVs+69fSpaVzX5S+tf1sRwuzORE6+gJr9hiUDQjWQKSHnw HWiw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:cc:references:to:from:subject :arc-authentication-results; bh=QH8RKxK892MtMh4DU5f41OQ2je2g3XfnpScL+de+kwo=; b=O/0ceWuRkHuBNjixcCOBUMi+CKN20c35rlH4/Ahb4rXT/pWDakbkxHj6frqdGKs81w Envux/ekb19cluVwSeOoEIOgna3BFYO47C0bdylSNxGEpNXTy4ByqTeV0k7kQslGGdID zu0X7l1z8jJNCUcUrZi9h2mxhsZv28BBwIe8AOfOLD8NBbZZKpebsztsGW0aZ/26C9qP IexxOM1RSAqivhL+XEYS04uwPulOafSuy2mwnzhSDqBcndQmmkE70COme4GmWC6bqqIA pBubLZkAdguH71paVWVeJkUNiW8TPQhE4mj7bM6kMKgAj7SZLLtYbvgDQpnEfHpkTrTU Mv+A== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.28 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com Return-Path: Received: from goliath.siemens.de (goliath.siemens.de. [192.35.17.28]) by gmr-mx.google.com with ESMTPS id s81si259432wmd.2.2018.03.04.11.50.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Mar 2018 11:50:37 -0800 (PST) Received-SPF: pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.28 as permitted sender) client-ip=192.35.17.28; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.28 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com Received: from mail2.siemens.de (mail2.siemens.de [139.25.208.11]) by goliath.siemens.de (8.15.2/8.15.2) with ESMTPS id w24JoaOr031748 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 4 Mar 2018 20:50:37 +0100 Received: from [167.87.43.202] ([167.87.43.202]) by mail2.siemens.de (8.15.2/8.15.2) with ESMTP id w24JoauR032763; Sun, 4 Mar 2018 20:50:36 +0100 Subject: Re: [PATCH] linux-custom: Add lock to dependency installation From: Jan Kiszka To: Alexander Smirnov References: <561e3ebb-f877-596c-fde6-0f3bba770958@siemens.com> Cc: isar-users Message-ID: <42238cfe-9307-94c3-f0bc-c83bf626b011@siemens.com> Date: Sun, 4 Mar 2018 20:50:36 +0100 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 In-Reply-To: <561e3ebb-f877-596c-fde6-0f3bba770958@siemens.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TUID: wp5MvlSnzixq On 2018-02-22 22:25, [ext] Jan Kiszka wrote: > From: Jan Kiszka > > The build script of linux-custom requires the same lock protection as > build.sh of the dpkg builder class. Otherwise, we see the infamous build > failures again due to contention on the dpkg database lock. > > Signed-off-by: Jan Kiszka > --- > meta/recipes-kernel/linux/files/build-kernel.sh | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/meta/recipes-kernel/linux/files/build-kernel.sh b/meta/recipes-kernel/linux/files/build-kernel.sh > index 94897ec..42c8ff6 100644 > --- a/meta/recipes-kernel/linux/files/build-kernel.sh > +++ b/meta/recipes-kernel/linux/files/build-kernel.sh > @@ -13,8 +13,10 @@ REPACK_DIR="$1/../repack" > REPACK_LINUX_IMAGE_DIR="${REPACK_DIR}/linux-image" > REPACK_LINUX_HEADERS_DIR="${REPACK_DIR}/linux-headers" > > -apt-get install -y -o Debug::pkgProblemResolver=yes --no-install-recommends \ > - ${KBUILD_DEPENDS} > +# Lock-protected because apt and dpkg do not wait in case of contention > +flock /dpkg.lock \ > + apt-get install -y -o Debug::pkgProblemResolver=yes \ > + --no-install-recommends ${KBUILD_DEPENDS} > > cd $1 > make olddefconfig > Could you have a look at this fix? It's essential when building custom kernels and it's needed to reduce my queue to 0. Thanks Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux