From owner-freebsd-current Wed Mar 4 19:10:13 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA07809 for freebsd-current-outgoing; Wed, 4 Mar 1998 19:10:13 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from mail.scsn.net (scsn.net [206.25.246.12]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA07802 for ; Wed, 4 Mar 1998 19:10:09 -0800 (PST) (envelope-from dmaddox@scsn.net) Received: from rhiannon.scsn.net ([208.133.153.104]) by mail.scsn.net (Post.Office MTA v3.1.2 release (PO205-101c) ID# 0-41950U6000L1100S0) with ESMTP id AAA105; Wed, 4 Mar 1998 22:06:19 -0500 Received: (from root@localhost) by rhiannon.scsn.net (8.8.8/8.8.7) id WAA00902; Wed, 4 Mar 1998 22:10:12 -0500 (EST) (envelope-from root) Message-ID: <19980304221012.62373@scsn.net> Date: Wed, 4 Mar 1998 22:10:12 -0500 From: dmaddox@scsn.net (Donald J. Maddox) To: Evan Champion , Matthew Thyer , Mike Smith Cc: shimon@simon-shapiro.org, current@FreeBSD.ORG Subject: Re: silo overflows (Was Re: 3.0-RELEASE?) Reply-To: dmaddox@scsn.net Mail-Followup-To: Evan Champion , Matthew Thyer , Mike Smith , shimon@simon-shapiro.org, current@FreeBSD.ORG References: <053601bd47dd$6cedf300$c9252fce@cello.synapse.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.89i In-Reply-To: <053601bd47dd$6cedf300$c9252fce@cello.synapse.net>; from Evan Champion on Wed, Mar 04, 1998 at 09:21:37PM -0500 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Mar 04, 1998 at 09:21:37PM -0500, Evan Champion wrote: > >This happens a lot as after several hours (2 or 3) of using > >ijppp and XFree86 the count of FIFO overflows can be around 100. > > > I have a Pentium Pro 200 with 16650's (and the 16650's are detected) and > during a full install of FreeBSD over 128kbps ISDN (230.4kbps port speed) I > would get around 700 FIFO overflows. Someone would have to do a lot of > convincing to get me to believe the driver is working properly when a > machine like that can't handle a 128kbps datastream in single user mode... > I had this same problem, and the following fix from John Dyson works for me: -------------------------------------------------------------------- Try the modifications noted in the included info. I no longer get any kind of sio messages. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. Index: sio.c =================================================================== RCS file: /local/home/ncvs/src/sys/i386/isa/sio.c,v retrieving revision 1.194 diff -r1.194 sio.c 117a118 > /* 119a121,123 > */ > #define RB_I_HIGH_WATER (TTYHOG / 2) > #define RS_IBUFSIZE (TTYHOG / 4) Add this to your system conf: options "MSIZE=256" options "TTYHOG=4096" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message