Date: Mon, 06 Dec 1999 11:53:43 -0800 From: Mike Smith <msmith@freebsd.org> To: Warner Losh <imp@village.org> Cc: hackers@FreeBSD.ORG Subject: Re: tty level buffer overflows Message-ID: <199912061953.LAA00484@mass.cdrom.com> In-Reply-To: Your message of "Fri, 03 Dec 1999 11:14:47 MST." <199912031814.LAA11849@harmony.village.org>
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> In message <199912030155.RAA02824@mass.cdrom.com> Mike Smith writes: > : It's documented in the sio(4) manpage, which is always worth reading. > > Even reading the sio manpage is unclear. All it says is that things > are too slow. Steady state I don't get these, just every now and > again it happens. No apparent correlation to the time of day, cron > jobs running, etc. > > What I was wondering is if there is a way to, say, double the buffer > size. Also, what is the number of overflows mean? Is that bytes? > clists? 16byte chunks? The overflow seems to happen just once and it > is always a number less than 1000. I'd gladly spend an extra 1-2k of > memory to help my poor ppp machine over the humps. Growing the buffer isn't the solution; it should be big enough already. We need to work out why a system that should have no trouble with the data rate in question is croaking so trivially. -- \\ 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
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