From owner-freebsd-questions@FreeBSD.ORG Mon Mar 22 12:28:25 2010 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 35652106566B for ; Mon, 22 Mar 2010 12:28:25 +0000 (UTC) (envelope-from paul.halliday@gmail.com) Received: from mail-yx0-f201.google.com (mail-yx0-f201.google.com [209.85.210.201]) by mx1.freebsd.org (Postfix) with ESMTP id 7FC168FC17 for ; Mon, 22 Mar 2010 12:28:24 +0000 (UTC) Received: by yxe39 with SMTP id 39so2305406yxe.3 for ; Mon, 22 Mar 2010 05:28:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=BI19hs9nBtRYu3LcfHZ32sCOcYb616PQzXfkZPGKIdQ=; b=piyMMCI4vOXOvJQd9csYFJJ0ume4DWmGdYc9ritfzUoo8sFYrMq1nJ1IVkZ2pL/8FH 2xeCPeXaeCbBin/J6mgXGn9OyvnHUG+j2GKkO4C0Plr71Hk1JBnVOzC3X4w2rHiGQu+h Px55skujorrDQeMVkB5FoI4IapVGuB89gzMGk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=hChTAFzX+uEOKUL2nsNNmW9L9ByXbUxz9kM5THx5IkMlGbE6eZA3uka6rHMo9yXOJK /965xTdSwM8k7SD90jK2FlksE2UxsQVOKohMe0o1spX/3ILiLpz6fZcoUlg95Vxz07UL v+1+xuhaQ6V9iwjLM3htLhM99Jkwd/fH1XB3Y= MIME-Version: 1.0 Received: by 10.90.40.31 with SMTP id n31mr4296149agn.76.1269260903781; Mon, 22 Mar 2010 05:28:23 -0700 (PDT) Date: Mon, 22 Mar 2010 09:28:23 -0300 Message-ID: <2dab70a31003220528u449a8988hec7d2959572bd6f@mail.gmail.com> From: Paul Halliday To: questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Cc: Subject: panic: sleeping thread X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Mar 2010 12:28:25 -0000 I have a couple VM's that randomly halt with this error: Sleeping thread (tid 10018, pid 1058) owns a non-sleepable lock panic: sleeping thread cpuid = 0 Uptime 11h14m31s Cannot dump. Device not defined or unavailable. FreeBSD 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC 2009 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 These systems run nightly Nessus scans and these halts are very sporadic; I can go a week w/o seeing one. What should I do to start to troubleshoot this? Thanks.