From owner-freebsd-stable@FreeBSD.ORG Fri Dec 12 03:00:43 2008 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 739D51065677 for ; Fri, 12 Dec 2008 03:00:43 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.28]) by mx1.freebsd.org (Postfix) with ESMTP id 2829D8FC17 for ; Fri, 12 Dec 2008 03:00:43 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so586461ywe.13 for ; Thu, 11 Dec 2008 19:00:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=OIuwbQLGBbjhXN7SLYimNRdWxtwqYruLQzzORMkoL5Q=; b=f6I6utLOWDT4E8jLvvi3y0i73dMJKk1MsIfpsp3azzINR4c8OdSVzhpj9PTj23122S YfxOjmowBKtworBRs4RZujKTaAmqHDJSZeeBs6/Y6Ghn49+rx7eWNh4ASChuvmcmcMDX 8p7PJ2hrAJhzUYmYMncS4ne8TkA20yBrFab04= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=gDicGcp4bSmU6YcWim0n6HXgiX9UebmFO57cIy1VLbA/UWAdNefu1kvZcjrIcvMXqU yr0s147PgKuSdg4Va0/WpAa/E9yjEKZAkhb/axaOewroHpRVdu/naNc1I7+DraWSqb1A zfTSx+R9Xe4FybcJkEDmGcZ68WTJd18NBHIVs= Received: by 10.231.20.1 with SMTP id d1mr41201ibb.19.1229050841802; Thu, 11 Dec 2008 19:00:41 -0800 (PST) Received: by 10.231.18.139 with HTTP; Thu, 11 Dec 2008 19:00:41 -0800 (PST) Message-ID: <3a142e750812111900u1d9264bh27d39092f5dcc4bf@mail.gmail.com> Date: Fri, 12 Dec 2008 04:00:41 +0100 From: "Paul B. Mahol" To: "Guy Helmer" In-Reply-To: <49419BE0.2070502@palisadesys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <49419BE0.2070502@palisadesys.com> Cc: freebsd-stable@freebsd.org Subject: Re: 7.1RC1: system hang 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, 12 Dec 2008 03:00:43 -0000 On 12/12/08, Guy Helmer wrote: > I have a recurring hang on FreeBSD 7.1 roughly-RC1 (releng_7_1 checkout > as of 2008-12-08) on a dual-CPU hyperthreaded Xeon i386. I've dropped > into the kernel debugger on the VGA console and transcribed the > following information (if I omit anything critical, let me know -- the > machine is still sitting at the debugger prompt) : > > > where > pid 20 tid 100018 td 0xc45008c0 > kdb_enter_why > scgetc > sckdbevent > kdbmux_intr > kdbmux_kdb_intr > taskqueue_run > taskqueue_swi_giant_run > ithread_loop > fork_exit(c063cce0, c44ac590, e4a36d38) at 0xc063a624 = fork_exit+0x94 > fork_trampoline() at 0xc07e41a0 = fork_trampoline+0x8 > > > show allpcpu > cpuid 0 in idle > cpuid 1: proc 23457 > cpuid 2: idle > cpuid 3: swi6 proc 20 what is proc 23457? -- Paul