From owner-freebsd-alpha@FreeBSD.ORG Sun Nov 16 11:56:07 2003 Return-Path: Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B351C16A4CE; Sun, 16 Nov 2003 11:56:07 -0800 (PST) Received: from smtpzilla5.xs4all.nl (smtpzilla5.xs4all.nl [194.109.127.141]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3ACC743FE1; Sun, 16 Nov 2003 11:56:06 -0800 (PST) (envelope-from wkb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtpzilla5.xs4all.nl (8.12.9/8.12.9) with ESMTP id hAGJttPO066905; Sun, 16 Nov 2003 20:55:55 +0100 (CET) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.9p2/8.12.9) with ESMTP id hAGJtscH027346; Sun, 16 Nov 2003 20:55:54 +0100 (CET) (envelope-from wkb@freebie.xs4all.nl) Received: (from wkb@localhost) by freebie.xs4all.nl (8.12.9p2/8.12.9/Submit) id hAGJtsL5027345; Sun, 16 Nov 2003 20:55:54 +0100 (CET) (envelope-from wkb) Date: Sun, 16 Nov 2003 20:55:54 +0100 From: Wilko Bulte To: Jeff Roberson Message-ID: <20031116195554.GA27327@freebie.xs4all.nl> References: <20031112175839.F10222-100000@mail.chesapeake.net> <20031112180414.S10222-100000@mail.chesapeake.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031112180414.S10222-100000@mail.chesapeake.net> User-Agent: Mutt/1.4.1i X-OS: FreeBSD 4.9-STABLE X-PGP: finger wilko@freebsd.org cc: alpha@freebsd.org cc: ticso@cicely.de cc: Kris Kennaway Subject: Re: New alpha 5.x bug X-BeenThere: freebsd-alpha@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the Alpha List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Nov 2003 19:56:07 -0000 On Wed, Nov 12, 2003 at 06:05:12PM -0500, Jeff Roberson wrote: > > On Wed, 12 Nov 2003, Jeff Roberson wrote: > > > > > On Wed, 12 Nov 2003, David O'Brien wrote: > > > > > On Tue, Nov 11, 2003 at 07:42:19PM -0500, Jeff Roberson wrote: > > > > I wrote some code last night to write a predictable pattern of bytes on > > > > one side of a pipe and read it back in on another. I ran several sets of > > > > these programs over night, one doing 16byte transfers, another doing > > > > 16384, and another doing 100,000,000 bytes in 2xPAGE_SIZE chunks. > > > > > > Can you post the test code? Maybe Kris could run it on the Alpha custer > > > during some builds also. > > > > > > > http://www.chesapeake.net/~jroberson/reader.c && writer.c > > > > I use ./writer | ./reader > > > > You can specify a size, such as: ./writer 16384 | ./reader 16384 > > > > The sizes must match. They will read and write at most 32k at a time, > > using multiple passes for larger sizes. > > > > I forgot to mention, I'm doing this over nfs to a disk on a second alpha > system as well. This should catch any disk or nfs related corruption. > I'm also doing buildworlds on both machines. I've been running the writer/reader combo for ~3 days, while at the same time running buildworlds over NFS etc. Nothing wrong that I could reproduce. Using DS10 with it's builtin dc(4) ethernet. -- | / o / /_ _ |/|/ / / /( (_) Bulte wilko@FreeBSD.org