From owner-freebsd-stable@freebsd.org Tue Aug 2 19:58:55 2016 Return-Path: Delivered-To: freebsd-stable@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 796A2BAD2C5 for ; Tue, 2 Aug 2016 19:58:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 61D341E25 for ; Tue, 2 Aug 2016 19:58:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id 612AFBAD2C4; Tue, 2 Aug 2016 19:58:55 +0000 (UTC) Delivered-To: stable@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 60C8FBAD2C3 for ; Tue, 2 Aug 2016 19:58:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id CCBD31E24 for ; Tue, 2 Aug 2016 19:58:54 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u72Jwnrj097583 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 2 Aug 2016 22:58:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u72Jwnrj097583 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u72Jwn92097582; Tue, 2 Aug 2016 22:58:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 2 Aug 2016 22:58:49 +0300 From: Konstantin Belousov To: pete wright Cc: stable@freebsd.org Subject: Re: Call for testing: VM bugs in 10.3 Message-ID: <20160802195849.GS83214@kib.kiev.ua> References: <20160802192538.GQ83214@kib.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Aug 2016 19:58:55 -0000 On Tue, Aug 02, 2016 at 12:47:23PM -0700, pete wright wrote: > On Aug 2, 2016 12:26 PM, "Konstantin Belousov" wrote: > > > > Below is the merge of some high-profile virtual memory subsystem bug > > fixes from stable/10 to 10.3. I merged fixes for bugs reported by > > users, issues which are even theoretically unlikely to occur in real > > world loads, are not included into the patch set. The later is mostly > > corrections for the handling of radix insertion failures. Included fixes > > are for random SIGSEGV delivered to processes, hangs on "vodead" state > > on filesystem operations, and several others. > > > > List of the merged revisions: > > r301184 prevent parallel object collapses, fixes object lifecycle > > r301436 do not leak the vm object lock, fixes overcommit disable > > r302243 avoid the active object marking for vm.vmtotal sysctl, fixes > > "vodead" hangs > > r302513 vm_fault() race with the vm_object_collapse(), fixes spurious > SIGSEGV > > r303291 postpone BO_DEAD, fixes panic on fast vnode reclaim > > > > I am asking for some testing, it is not necessary for your system to > > exhibit the problematic behaviour for your testing to be useful. I am > > more looking for smoke-testing kind of confirmation that patch is fine. > > Neither I nor people who usually help me with testing, run 10.3 systems. > > > > Is testing on 10.3-RELEASE useful, or is this only for people tracking > STABLE? This is only for people running 10.3. The list of merged revisions is from stable/10, where the fixes were already merged for month or more.