From owner-freebsd-amd64@FreeBSD.ORG Thu Mar 25 18:20:03 2010 Return-Path: Delivered-To: freebsd-amd64@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0BE83106564A for ; Thu, 25 Mar 2010 18:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id C0C828FC1F for ; Thu, 25 Mar 2010 18:20:02 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o2PIK2LS008308 for ; Thu, 25 Mar 2010 18:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o2PIK2l5008307; Thu, 25 Mar 2010 18:20:02 GMT (envelope-from gnats) Resent-Date: Thu, 25 Mar 2010 18:20:02 GMT Resent-Message-Id: <201003251820.o2PIK2l5008307@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-amd64@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Ben Cadieux Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1DD2C106566B for ; Thu, 25 Mar 2010 18:16:34 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 0D18E8FC22 for ; Thu, 25 Mar 2010 18:16:34 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o2PIGXJf029024 for ; Thu, 25 Mar 2010 18:16:33 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o2PIGX3D029023; Thu, 25 Mar 2010 18:16:33 GMT (envelope-from nobody) Message-Id: <201003251816.o2PIGX3D029023@www.freebsd.org> Date: Thu, 25 Mar 2010 18:16:33 GMT From: Ben Cadieux To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 X-Mailman-Approved-At: Thu, 25 Mar 2010 18:29:08 +0000 Cc: Subject: amd64/145039: spin lock held too long amd64 mp_machdep.c X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Mar 2010 18:20:03 -0000 >Number: 145039 >Category: amd64 >Synopsis: spin lock held too long amd64 mp_machdep.c >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Mar 25 18:20:02 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Ben Cadieux >Release: FreeBSD 8.0-RELEASE & 8.0-STABLE >Organization: >Environment: FreeBSD underworld.example.org 8.0-STABLE FreeBSD 8.0-STABLE #0: Wed Mar 24 09:54:03 PDT 2010 sol@underworld.example.org:/usr/obj/usr/src/sys/UNDERWORLD amd64 >Description: I'm running 2 jails, and 2 VirtualBox sessions (with Win2k3 Server & WinXP). If I only run 1 VirtualBox session, the problem seems to be rarer. There doesn't seem to be too much of a pattern other than increased load increases the risk. Sometimes the server is stable for a week, other times minutes or hours. spin lock 0xffffffff80752f80 (smp rendezvous) held by 0xffffff0001879740 (tid 100022) too long exclusive spin mutex smp rendezvous (smp rendezvous) r = 0 (0xffffffff80752f80) locked @ /usr/src/sys/amd64/amd64/mp_machdep.c:992 panic: spin lock held too long cpuid = 4 Uptime: 8m30s >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: