From owner-freebsd-current Tue May 6 21:11:40 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id VAA29379 for current-outgoing; Tue, 6 May 1997 21:11:40 -0700 (PDT) Received: from abby.skypoint.net (abby.skypoint.net [199.86.32.252]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id VAA29374 for ; Tue, 6 May 1997 21:11:37 -0700 (PDT) Received: (from uucp@localhost) by abby.skypoint.net (8.8.5/alexis 2.7) with UUCP id XAA07513 for freebsd-current@freebsd.org; Tue, 6 May 1997 23:11:36 -0500 (CDT) Received: (from bruce@localhost) by zuhause.mn.org (8.8.5/8.8.5) id XAA14409; Tue, 6 May 1997 23:07:28 -0500 (CDT) Date: Tue, 6 May 1997 23:07:28 -0500 (CDT) Message-Id: <199705070407.XAA14409@zuhause.mn.org> From: Bruce Albrecht To: freebsd-current@freebsd.org Subject: Excessive tty-level buffer overflows Mime-Version: 1.0 (generated by tm-edit 7.106) Content-Type: text/plain; charset=US-ASCII Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In a five minute period while running uucp via an external sportster 33K modem at 57.6 KB on /dev/cuaa1, I received over 123,000 tty-level buffer overflows. This is a dual CPU Pentium Pro Tyan ATX 1668, running in single CPU mode. What does this mean? Is it a shoddy 16550 emulation? My kernel is from Saturday, or thereabouts. >From dmesg: sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A >From my console log: May 6 21:56:58 zuhause /kernel: sio1: 1402 more tty-level buffer overflows (total 116883) May 6 21:56:59 zuhause /kernel: sio1: 2162 more tty-level buffer overflows (total 119045) May 6 21:57:08 zuhause /kernel: sio1: 4435 more tty-level buffer overflows (total 123480) May 6 21:57:13 zuhause /kernel: sio1: 142 more tty-level buffer overflows (total 123622)