From owner-svn-src-head@freebsd.org Wed Jan 27 02:55:22 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 17B13A6F492; Wed, 27 Jan 2016 02:55:22 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: from mail-qg0-x234.google.com (mail-qg0-x234.google.com [IPv6:2607:f8b0:400d:c04::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CD599D9; Wed, 27 Jan 2016 02:55:21 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: by mail-qg0-x234.google.com with SMTP id o11so155205269qge.2; Tue, 26 Jan 2016 18:55:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type; bh=MTW/LVzav9ccVMOZwQ4M20t4+G/p6jeTUXFoBEJoyBo=; b=en/G3ti9SFjaosgdSTgJZV9KNrhDsgFcudesFnCzUzNnAbrulDhXKKEG1JAYQA63ez P/vEPSBY/3H7hhIwb5mOjExoRr8DNmO5UfDc4mvtsmjXOwhYQl17robfc4+BwIbp9d1H EIQqCK1xORmzN4j4IhxJLqv/PiBCXJoyQBV89HrByZHE7zjv/ERXyPrB/QZAYYXHX167 UKwg6pOT/TsYGFy2cILVeO4i05zwry2ZTxecR5DPw2wXv5xyTxo03fnYWk8Gpyx6bHJH yYKUg3X4bTc8p2zyR3MCMj4I7OFTy1X05ixq7a8ALHX3otb6PU28dTwbGpYh5JKKC5QS shWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-type; bh=MTW/LVzav9ccVMOZwQ4M20t4+G/p6jeTUXFoBEJoyBo=; b=j9B2ed7MsUAAb+WDs9Zv7eWVJlwWIME1DibupCCLk33ulPRqrIW5G4BnSGc37v11pZ KyF+fC0d5Md5qgPadgt06eKslnIvhCNdiUz8zsMLcX3H7ZiZvodnu3P855eLlyBhS/Yp iYhhxq3J13hPxDfnM5S9uAVDajInCR/+aLbpt3Y5hKzysgGlibwXp2LRCcgUBoOQsNPt gnBg/su3VDnQq861Uhd5HMkM+U0j8Epybs3W64U3aHz5c6n3QKSRyxnlam5A3JhSvdLu 1dO0pwbaN9SFmE2xJUI62cdqsQPkDd6H14a3f/06xEaIuh0SPcWNUtb13zBQQCKeJDoH wVMA== X-Gm-Message-State: AG10YOTbEnMRNaEq9VNuDYsvTNMddOhD5mVP7UrTRyBBGgr44FrImf0akD3lfUe96ZInaQ== X-Received: by 10.140.18.172 with SMTP id 41mr32194218qgf.7.1453863320908; Tue, 26 Jan 2016 18:55:20 -0800 (PST) Received: from kan ([2601:18f:802:4680:226:18ff:fe00:232e]) by smtp.gmail.com with ESMTPSA id t103sm1831183qgd.37.2016.01.26.18.55.19 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 26 Jan 2016 18:55:19 -0800 (PST) Date: Tue, 26 Jan 2016 21:55:14 -0500 From: Alexander Kabaev To: Antoine Brodin Cc: Alexander Kabaev , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r294470 - head/libexec/rtld-elf Message-ID: <20160126215514.2da7b1a1@kan> In-Reply-To: References: <201601202326.u0KNQZwL066141@repo.freebsd.org> <20160121183646.6d964d54@kan> X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.29; amd64-portbld-freebsd11.0) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; boundary="Sig_/4V_Pg2IWxbYcm8f5NB.gQ1s"; protocol="application/pgp-signature" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jan 2016 02:55:22 -0000 --Sig_/4V_Pg2IWxbYcm8f5NB.gQ1s Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 23 Jan 2016 12:00:23 +0000 Antoine Brodin wrote: > On Thu, Jan 21, 2016 at 11:36 PM, Alexander Kabaev > wrote: > > On Thu, 21 Jan 2016 22:20:12 +0100 > > Antoine Brodin wrote: > > =20 > >> On Thu, Jan 21, 2016 at 12:26 AM, Alexander Kabaev > >> wrote: =20 > >> > Author: kan > >> > Date: Wed Jan 20 23:26:35 2016 > >> > New Revision: 294470 > >> > URL: https://svnweb.freebsd.org/changeset/base/294470 > >> > > >> > Log: > >> > Fix initlist_add_object invocation parameters. > >> > > >> > The tail parameter should point to the last object for > >> > which dependencies should be processed. In most cases, > >> > this is the object itself. > >> > > >> > Modified: > >> > head/libexec/rtld-elf/rtld.c =20 > >> > >> Hi, > >> > >> It seems there are still some hangs after this fix (seen on the > >> -head package builders, tar -xf hanging for instance). > >> > >> Cheers, > >> > >> Antoine =20 > > > > I've seen hangs _before_ this fix but none after. You'd have to > > collect some backtraces and share with me and kib@. =20 >=20 > False alarm, for unknown reasons java/eclipse eats all CPU on head and > other ports were starving. >=20 > Cheers, >=20 > Antoine For the record, we have reitroduced the bug fixed once already eight years ago in r178807. The symptoms are exacty that: multi-threaded processed spinning in userland wasting CPU time. The fix is out for review to kib@ and if he does no object, I'll check it in tomorrow. --=20 Alexander Kabaev --Sig_/4V_Pg2IWxbYcm8f5NB.gQ1s Content-Type: application/pgp-signature Content-Description: Цифровая подпись OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJWqDGSXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRDNUY3RDk5NTk5QjY0MUUxM0M1MTU2OTEw NzEzMjI5OTkyNzkyRTdFAAoJEAcTIpmSeS5+KlgQAIKZNwU2Q0mKgIFBQyMbRt66 aLzgznKhoHmco7NScDtWCxnXa5hOscLtXrOsYixUMR1GqNw1cMVwEY/CmWNA3kfs seePSzbGhyg2qTa3i7Mgia6EAfA7TQoJ8JQA6mAE/N6I15PujXY2clqAabV00/CC iuHRsFMbBbCDK15omXZvvKIno4KgZO7LmLZkrLJIVKWpp9K8L7tfplz7fdcvVGrF sTGFE2pO8zN0tGj3/HQZa/ZoEn+Cb3fKzmyLmefEAFttOIjY3Mvd++s+1WrwxsjM gXxtDJ5zNMz3Tu9vDo0NF9zDF4apKnR+S9kiE7N2HOHrVRHPbk2Yw87ApzcN+dZc wWEoapa2vhvnvGHsV9et0AewI7Z0ZrRg8kaHzUdzAu2osM4Ra+7fDA0zpIrewwPU W3pvQK7rp2p1ANJ4DyjFjIM6SfTagYGpReERw7VfQ6XQ4DyEpQarFVUaT7rUJJyu cJKYT/++DHsvo0nqMZ97hzP0nZpJDjZeJHNkxtVsOz+rctazRc59L4eoIGGkxSXB BE1mGWBlDI1naP3QdroUOGhSRaCY5abZOrPJmGBedtjpyS9NRs+nZs+nkTSCT/kT x8Htr6TQ0IqcXv6MLWyfRyo5CIM+DwKLj4GcSVEcL7nzp26pAWsQ47QyD+jt3jh4 fkhK4mD7yOVWnyPNHc0H =Zjqr -----END PGP SIGNATURE----- --Sig_/4V_Pg2IWxbYcm8f5NB.gQ1s--