From owner-freebsd-current@FreeBSD.ORG Tue Apr 20 11:33:51 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2369D106566C for ; Tue, 20 Apr 2010 11:33:50 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-bw0-f216.google.com (mail-bw0-f216.google.com [209.85.218.216]) by mx1.freebsd.org (Postfix) with ESMTP id 6AA328FC08 for ; Tue, 20 Apr 2010 11:33:48 +0000 (UTC) Received: by bwz8 with SMTP id 8so5422881bwz.3 for ; Tue, 20 Apr 2010 04:33:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:received:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=6F8ucts2yk6Nev67/7T46IQRzFsiSyQ5kxzBnP+AL+8=; b=NidcMfBcyxvKlhcnK0gyD3nn6Ihd6SQiISLN4GxM8oIbj3Y/Ucrs7HXCFIcHoETS/v C3t/d3NmR7hVz0wOdgevvmG41Cj1Eqw9gTYfQIcpMFpmiB9OVGruEKYI/VjjkIQl+5I3 F31nkFFeC44JPoNrILvjTq2vThFZ+E/3qQnYg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=XuWV2BrD+c7EYbivnPtij2R2zJ0iwK9mgbDmMiYelNdI6unCWc2ERUHTtPMHSuONlj hvXJpno0fDZlFYv6FFhOiQGwEsAgwNV7e5uqTP7lSBFB4yx1V0a6wZBlVg2rBnOWV/bS unFUh2fCghPPRuDACfLCe+LAQAYtcygaiuMoc= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.239.164.140 with HTTP; Tue, 20 Apr 2010 04:33:47 -0700 (PDT) In-Reply-To: References: Date: Tue, 20 Apr 2010 13:33:47 +0200 X-Google-Sender-Auth: a5a53b3027824a3f Received: by 10.239.145.73 with SMTP id r9mr641300hba.22.1271763227701; Tue, 20 Apr 2010 04:33:47 -0700 (PDT) Message-ID: From: Attilio Rao To: Erik Cederstrand Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: FreeBSD Current Subject: Re: panic: deadlkres: possible deadlock detected X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Apr 2010 11:33:51 -0000 2010/4/20 Erik Cederstrand : > > Den 19/04/2010 kl. 17.03 skrev Attilio Rao: > >> 2010/4/19 Erik Cederstrand : >>> Hi >>> >>> I'm testing ClangBSD in a VirtualBox client and ran into a panic on the= client, but I don't think it's clang-related. I haven't tried kernel debug= ging before. I tried getting a backtrace as described in http://old.nabble.= com/Re%3A-ia64--%3E-panic%3A-deadlkres%3A-possible-deadlock-detected-for-0x= e00000001187d880%2C-blocked-for-1801437-ticks-p28123802.html and this i the= result: >>> >>> http://tinypic.com/r/2llegza/5 >>> >>> Any pointers on ho to debug this further? >> >> I think we have to bless getblk. However your system may have got >> buffers shortage due to bufdaemon deficiencies. >> >> Are you using 8.0 or current? > > This is current (the latest ClangBSD revision). I was running pho's stres= s2 test suite when this happened. I have committed a fix for this, may you upgrade to most recent CURRENT pls= ? Attilio --=20 Peace can only be achieved by understanding - A. Einstein