Date: Tue, 5 Jan 1999 20:51:46 -0800 (PST) From: kowkn@asia1.com.sg To: freebsd-gnats-submit@FreeBSD.ORG Subject: i386/9341: tty-level buffer overflows Message-ID: <199901060451.UAA12400@hub.freebsd.org>
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>Number: 9341 >Category: i386 >Synopsis: tty-level buffer overflows >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jan 5 21:00:01 PST 1999 >Closed-Date: >Last-Modified: >Originator: Kow Kee Nge >Release: FreeBSD 2.2.2-RELEASE >Organization: Singapore Press Holdings Ltd >Environment: lewis:/usr/home/kowkn:/var/log> uname -a FreeBSD lewis.asia1.com.sg 2.2.2-RELEASE FreeBSD 2.2.2-RELEASE #0: Fri Apr 3 17:22:33 SGT 1998 root@lewis.asia1.com.sg:/usr/src/sys/compile/LEWIS i386 >Description: Have wrote a C program constanly capturing data from /dev/cuaa0. Very often get the following messages in /var/log/messages. Jan 5 16:22:13 lewis /kernel: sio0: 646 more tty-level buffer overflows (total 24 16) Jan 5 16:22:14 lewis /kernel: sio0: 952 more tty-level buffer overflows (total 33 68) Jan 5 16:22:15 lewis /kernel: sio0: 952 more tty-level buffer overflows (total 43 20) Jan 5 16:22:16 lewis /kernel: sio0: 966 more tty-level buffer overflows (total 52 86) Jan 5 16:22:17 lewis /kernel: sio0: 616 more tty-level buffer overflows (total 59 02) What system parameters should we tune to increate the tty-level buffer? >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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