From owner-freebsd-hackers Fri Dec 3 23:57:52 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from mass.cdrom.com (castles530.castles.com [208.214.165.94]) by hub.freebsd.org (Postfix) with ESMTP id 75C6F15347 for ; Fri, 3 Dec 1999 23:57:48 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Received: from mass.cdrom.com (localhost [127.0.0.1]) by mass.cdrom.com (8.9.3/8.9.3) with ESMTP id XAA00511; Fri, 3 Dec 1999 23:58:42 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Message-Id: <199912040758.XAA00511@mass.cdrom.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: nate@mt.sri.com (Nate Williams) Cc: Warner Losh , hackers@FreeBSD.ORG Subject: Re: tty level buffer overflows In-reply-to: Your message of "Fri, 03 Dec 1999 13:08:33 MST." <199912032008.NAA12138@mt.sri.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 03 Dec 1999 23:58:42 -0800 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Dec 2 11:08:56 bifrost /kernel: sio0: 208 more tty-level buffer overflows (total 3356) > > > > is appearing on our ppp machine. What are tty-level buffer overflows? > > How can I fix this? What resource is running out? > > Is it safe to assume that this isn't happening on a laptop? At least > with the old code (I don't know about the new code), sio isn't using > fast interrupts when used by the laptop code. Er, you should read the sio(4) manpage too. tty-level buffer overflows have nothing to do with interrupt latency/execution time. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message