From owner-freebsd-stable@FreeBSD.ORG Mon Feb 27 15:33:57 2012 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 45E811065670 for ; Mon, 27 Feb 2012 15:33:57 +0000 (UTC) (envelope-from lacombar@gmail.com) Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id C82D48FC13 for ; Mon, 27 Feb 2012 15:33:56 +0000 (UTC) Received: by werl4 with SMTP id l4so850654wer.13 for ; Mon, 27 Feb 2012 07:33:55 -0800 (PST) Received-SPF: pass (google.com: domain of lacombar@gmail.com designates 10.216.132.32 as permitted sender) client-ip=10.216.132.32; Authentication-Results: mr.google.com; spf=pass (google.com: domain of lacombar@gmail.com designates 10.216.132.32 as permitted sender) smtp.mail=lacombar@gmail.com; dkim=pass header.i=lacombar@gmail.com Received: from mr.google.com ([10.216.132.32]) by 10.216.132.32 with SMTP id n32mr7418591wei.12.1330356835836 (num_hops = 1); Mon, 27 Feb 2012 07:33:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=9eOthBCTuOJyG7AlfLRHapAvWcQNpdsHZwtHRdpZP90=; b=CVGw1pkXc0gYLUU8i4ZEUY56AxEW7z3Xnshv+nJCPas6EwsJ54MHvPRSlz1S/J8kHl BiG8R6J+oyB4Uye+VimfoqxQJTLFnPW4tlx02DSIl+m8rrvRImvziPYGL1maUAYCBsQg F0lYAqnVcRXoGm9T2paZt773gY2R9hfb8xEHA= MIME-Version: 1.0 Received: by 10.216.132.32 with SMTP id n32mr5885295wei.12.1330356835705; Mon, 27 Feb 2012 07:33:55 -0800 (PST) Received: by 10.216.166.11 with HTTP; Mon, 27 Feb 2012 07:33:55 -0800 (PST) In-Reply-To: References: Date: Mon, 27 Feb 2012 10:33:55 -0500 Message-ID: From: Arnaud Lacombe To: freebsd-stable Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: Complete hang on 9.0-RELEASE 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: Mon, 27 Feb 2012 15:33:57 -0000 Hi, On Tue, Feb 14, 2012 at 11:41 AM, Arnaud Lacombe wrote= : > Hi folks, > > For the records, I was running some tests yesterday on top of a > 9.0-RELEASE, amd64, kernel when the box hanged. At the time of the > hang, the box was running a process with about 2800 threads with heavy > IPC between 1400 writers and 1400 readers. The box was in single user > mode (/bin/sh coming from FreeBSD 7.4-STABLE). Here is the beginning > of the dmesg: > This happened a second time, now with FreeBSD 8.2-RELEASE. Complete machine hang. The machine was running about 4000 threads in a single process, all the other condition are the same. - Arnaud > Copyright (c) 1992-2012 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > =A0 =A0 =A0 =A0The Regents of the University of California. All rights re= served. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 9.0-RELEASE #0: Tue Jan =A03 07:46:30 UTC 2012 > =A0 =A0root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > CPU: Intel(R) Atom(TM) CPU D510 =A0 @ 1.66GHz (1666.70-MHz K8-class CPU) > =A0Origin =3D "GenuineIntel" =A0Id =3D 0x106ca =A0Family =3D 6 =A0Model = =3D 1c =A0Stepping =3D 10 > =A0Features=3D0xbfebfbff > =A0Features2=3D0x40e31d > =A0AMD Features=3D0x20000800 > =A0AMD Features2=3D0x1 > =A0TSC: P-state invariant, performance statistics > real memory =A0=3D 2137587712 (2038 MB) > avail memory =3D 2037841920 (1943 MB) > Event timer "LAPIC" quality 400 > ACPI APIC Table: <070611 APIC1125> > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 HTT threads > =A0cpu0 (BSP): APIC ID: =A00 > =A0cpu1 (AP/HT): APIC ID: =A01 > =A0cpu2 (AP): APIC ID: =A02 > =A0cpu3 (AP/HT): APIC ID: =A03 > > I will restart the test and see if this happens again. > > regards, > =A0- Arnaud