From owner-freebsd-stable@FreeBSD.ORG Tue Feb 14 17:08:10 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 E829E1065677 for ; Tue, 14 Feb 2012 17:08:10 +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 62AF08FC16 for ; Tue, 14 Feb 2012 17:08:09 +0000 (UTC) Received: by werm13 with SMTP id m13so159780wer.13 for ; Tue, 14 Feb 2012 09:08:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=G0yadIgUDDmueBbogKEEHXRBP8XKxkGyq1SiPUxojP8=; b=R3ChNBCi60+RfxjpczZ8Lg/BNpGpU6xBzM9LxKAEC9o1fxSvG0bVQftRy91FTntkLD owtNHCziWyfO31ZO2hEGA/F7a+D0FFnx6lR5bkrT/HW1LLqZAjIDikepdY415/DoXzro uuX90RwVOI1rlzgl/9gQ/4vcChfZLc/E/mFhw= MIME-Version: 1.0 Received: by 10.216.134.160 with SMTP id s32mr8246893wei.36.1329237713158; Tue, 14 Feb 2012 08:41:53 -0800 (PST) Received: by 10.216.73.82 with HTTP; Tue, 14 Feb 2012 08:41:53 -0800 (PST) Date: Tue, 14 Feb 2012 11:41:53 -0500 Message-ID: From: Arnaud Lacombe To: freebsd-stable Content-Type: text/plain; charset=ISO-8859-1 Subject: 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: Tue, 14 Feb 2012 17:08:11 -0000 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: Copyright (c) 1992-2012 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 CPU: Intel(R) Atom(TM) CPU D510 @ 1.66GHz (1666.70-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x106ca Family = 6 Model = 1c Stepping = 10 Features=0xbfebfbff Features2=0x40e31d AMD Features=0x20000800 AMD Features2=0x1 TSC: P-state invariant, performance statistics real memory = 2137587712 (2038 MB) avail memory = 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 cpu0 (BSP): APIC ID: 0 cpu1 (AP/HT): APIC ID: 1 cpu2 (AP): APIC ID: 2 cpu3 (AP/HT): APIC ID: 3 I will restart the test and see if this happens again. regards, - Arnaud