From owner-freebsd-current@FreeBSD.ORG Thu May 26 10:45:54 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BDAFF16A41F; Thu, 26 May 2005 10:45:54 +0000 (GMT) (envelope-from sten@blinkenlights.nl) Received: from ford.blinkenlights.nl (ford.blinkenlights.nl [213.204.211.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 184B743D5D; Thu, 26 May 2005 10:45:51 +0000 (GMT) (envelope-from sten@blinkenlights.nl) Received: from tea.blinkenlights.nl (tea.blinkenlights.nl [IPv6:2001:960:301:3:a00:20ff:fe85:fa39]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ford.blinkenlights.nl (Postfix) with ESMTP id AC8063F294; Thu, 26 May 2005 12:45:50 +0200 (CEST) Received: by tea.blinkenlights.nl (Postfix, from userid 101) id 4169E23B; Thu, 26 May 2005 12:45:50 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by tea.blinkenlights.nl (Postfix) with ESMTP id 2CF22E7; Thu, 26 May 2005 12:45:50 +0200 (CEST) Date: Thu, 26 May 2005 12:45:50 +0200 (CEST) From: Sten Spans To: ticso@cicely.de In-Reply-To: <20050526085750.GZ80082@cicely12.cicely.de> Message-ID: References: <20050525223355.56551.qmail@web80601.mail.yahoo.com> <20050526010325.02415410.lehmann@ans-netz.de> <20050526085750.GZ80082@cicely12.cicely.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: current@freebsd.org, stable@freebsd.org, Oliver Lehmann , Mohan Srinivasan Subject: Re: problems with nfs+TCP - Resource temporarily unavailable 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: Thu, 26 May 2005 10:45:54 -0000 On Thu, 26 May 2005, Bernd Walter wrote: > On Thu, May 26, 2005 at 01:03:25AM +0200, Oliver Lehmann wrote: >> ###### >> >> >> I tried the same with an other nfs server (using dill as nfs server this >> time - system description is in my 1st mail, same mount options like / >> mnt/files). And guess what? dill rebooted immediate... dd came never >> back, gave no output >> >> dill's dmesg shows me: >> >> fatal kernel trap: >> >> trap entry = 0x4 (unaligned access fault) >> faulting va = 0xfffffc0006b6f44d >> opcode = 0x28 >> register = 0x5 >> pc = 0xfffffc0000541e08 >> ra = 0xfffffc0000541df4 >> sp = 0xfffffe000a0f9b70 >> usp = 0x11ffea80 >> curthread = 0xfffffc000f91ee10 >> pid = 343, comm = nfsd > > This is absolutely known - TCP/nfs has bugs in realigning packets. > Don't use TCP on strong aligned architectures. Still a pr with a proper backtrace would be nice. Or does one exist already ? -- Sten Spans "There is a crack in everything, that's how the light gets in." Leonard Cohen - Anthem