From owner-freebsd-stable@FreeBSD.ORG Fri Oct 1 18:47:15 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8FA59106564A for ; Fri, 1 Oct 2010 18:47:15 +0000 (UTC) (envelope-from lioux@FreeBSD.org) Received: from goat.gigo.com (ipv6.gigo.com [IPv6:2001:470:1:18::2]) by mx1.freebsd.org (Postfix) with ESMTP id 705198FC12 for ; Fri, 1 Oct 2010 18:47:15 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by goat.gigo.com (Postfix) with ESMTP id 3492311571 for ; Fri, 1 Oct 2010 11:47:15 -0700 (PDT) Received: from goat.gigo.com ([127.0.0.1]) by localhost (vette.gigo.com [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id SheogTnyNfyp for ; Fri, 1 Oct 2010 11:47:15 -0700 (PDT) Received: from 189.72.204.181 (unknown [189.72.204.181]) by goat.gigo.com (Postfix) with ESMTPSA id 46D6E1156B for ; Fri, 1 Oct 2010 11:47:14 -0700 (PDT) Received: (qmail 89396 invoked by uid 80); 1 Oct 2010 15:46:37 -0300 Received: from exxodus.fedaykin.here (exxodus.fedaykin.here [10.0.0.2]) by exxodus.fedaykin.here (Horde Framework) with HTTP; Fri, 01 Oct 2010 15:47:01 -0300 Message-ID: <20101001154701.980319bwibw4wyw5@exxodus.fedaykin.here> Date: Fri, 01 Oct 2010 15:47:01 -0300 From: Mario Sergio Fujikawa Ferreira To: Kostik Belousov References: <20100919222837.70629.qmail@exxodus.fedaykin.here> <20100922132801.GV2389@deviant.kiev.zoral.com.ua> (sfid-20100922_11541_49CE72C2) In-Reply-To: <20100922132801.GV2389@deviant.kiev.zoral.com.ua> (sfid-20100922_11541_49CE72C2) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: 7bit User-Agent: Dynamic Internet Messaging Program (DIMP) H3 (1.1.4) Cc: freebsd-stable@freebsd.org Subject: Re: Panic with chromium and 8.1-STABLE (Thu Sep 16 09:52:17 BRT 2010) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Oct 2010 18:47:15 -0000 Quoting Kostik Belousov : > On Sun, Sep 19, 2010 at 07:28:13PM -0300, Mario Sergio Fujikawa > Ferreira wrote: >> Hi, >> >> I've just began trying chrome web browser from >> http://chromium.hybridsource.org/ but it triggered 2 panics on my >> 8.1-STABLE system. >> >> $ uname -a >> FreeBSD exxodus.fedaykin.here 8.1-STABLE FreeBSD 8.1-STABLE #26: >> Thu Sep 16 09:52:17 BRT 2010 >> lioux@exxodus:/usr/obj/usr/src/sys/LIOUX amd64 >> >> The panic information is: >> >> ------------ >> panic: vm_page_unwire: invalid wire count: 0 >> cpuid = 0 >> KDB: enter: panic >> >> 0xffffff006ecce000: tag ufs, type VREG >> usecount 1, writecount 1, refcount 4 mountedhere 0 >> flags () >> v_object 0xffffff0151489870 ref 0 pages 8 >> lock type ufs: EXCL by thread 0xffffff00200947c0 (pid 25025) >> ino 119526591, on dev ufs/fsusr >> >> 0xffffff011107f938: tag ufs, type VREG >> usecount 0, writecount 0, refcount 4 mountedhere 0 >> flags (VV_NOSYNC|VI_DOINGINACT) >> v_object 0xffffff0151f7f870 ref 0 pages 1284 >> lock type ufs: EXCL by thread 0xffffff01882cc7c0 (pid 26689) >> ino 263, on dev md0 >> ------------ >> >> I've made available 2 ddb textdumps at: >> >> http://people.freebsd.org/~lioux/panic/2010091900/textdump.tar.0 >> http://people.freebsd.org/~lioux/panic/2010091900/textdump.tar.1 >> >> I was able to use chrome prior to this latest kernel update. >> Now, I can reproduce a kernel panic even browsing www.google.com >> >> Please, let me know if I can provide any further information. > > Does it panic if you remove ZERO_COPY_SOCKETS option from the kernel > config ? > Right on the spot. Removing ZERO_COPY_SOCKETS stopped the panics. The panics restart if I add them again. Regards, -- Mario S F Ferreira - DF - Brazil - "I guess this is a signature." feature, n: a documented bug | bug, n: an undocumented feature