From owner-freebsd-hackers Fri Jun 18 9:26:39 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from ns.sb2573.ru (ns.sb2573.ru [195.133.133.118]) by hub.freebsd.org (Postfix) with ESMTP id 526B214BD0 for ; Fri, 18 Jun 1999 09:26:29 -0700 (PDT) (envelope-from ksb@sb2573.ru) Message-ID: <001601beb9a7$9e0aaf90$fbc910ac@magc-winnt.cd.ld.sb2573.ru> From: "ksb" To: Subject: Buffer overflows question Date: Fri, 18 Jun 1999 20:28:34 +0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01BEB9C9.237B22B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_0013_01BEB9C9.237B22B0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable Hello. Would you, please, comment the kernel message below: sio0: 478 more tty-level buffer overflows (total 478) I use FreeBSD 2.2.8; there is a modem (without hardware flow control) on /dev/cua0; I have a leased line with 38400 bps full duplex; there is PPP (user mode) tunnel to my ISP. Can you answer what are these buffers (kernel or UART 16550A) and how can I fight with these buffer overflows. Thank you. -- Malinin A. G. ------=_NextPart_000_0013_01BEB9C9.237B22B0 Content-Type: text/html; charset="koi8-r" Content-Transfer-Encoding: quoted-printable

Hello.

Would you,=20 please, comment the kernel message below:

sio0:=20 478 more tty-level buffer overflows (total 478)

I use = FreeBSD 2.2.8;=20 there is a modem (without hardware flow control)

on = /dev/cua0; I have a=20 leased line with 38400 bps full duplex;

there is = PPP (user mode)=20 tunnel to my ISP.

Can you = answer what are=20 these buffers (kernel or UART 16550A) and

how can I = fight with=20 these buffer overflows.

Thank = you.

Malinin A.=20 G.

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