From owner-freebsd-alpha Sun Jan 10 22:51:11 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id WAA16026 for freebsd-alpha-outgoing; Sun, 10 Jan 1999 22:51:11 -0800 (PST) (envelope-from owner-freebsd-alpha@FreeBSD.ORG) Received: from dingo.cdrom.com (castles351.castles.com [208.214.167.51]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id WAA16020 for ; Sun, 10 Jan 1999 22:51:09 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (LOCALHOST [127.0.0.1]) by dingo.cdrom.com (8.9.1/8.8.8) with ESMTP id WAA87074; Sun, 10 Jan 1999 22:47:24 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199901110647.WAA87074@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: mjacob@feral.com cc: alpha@FreeBSD.ORG Subject: Re: complete lockup under large I/O? In-reply-to: Your message of "Sun, 10 Jan 1999 21:47:28 PST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 10 Jan 1999 22:47:24 -0800 From: Mike Smith Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > I have a test script/program that repeatedly reads > or writes a same spot on a device using progressively > larger blocksizes. > > I was using 3 8GB disks ccd'd together on a AlphaPC164 and the > the system completely froze when it went about 1MB blocksizes. > > Anyone have a notion about this? You may be seeing a deadlock on resource starvation; it'd be really interesting to see the output of 'ps' if you can get into DDB. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message