Date: Tue, 14 Nov 1995 09:11:48 +0500 (GMT+0500) From: "Serge A. Babkin" <babkin@hq.icb.chel.su> To: hsu@cs.hut.fi (Heikki Suonsivu) Cc: current@FreeBSD.org, freebsd-current@freefall.FreeBSD.ORG Subject: Re: ISP state their FreeBSD concerns Message-ID: <199511140411.JAA19554@hq.icb.chel.su> In-Reply-To: <199511131351.PAA20135@shadows.cs.hut.fi> from "Heikki Suonsivu" at Nov 13, 95 03:51:48 pm
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> Seems they feel hardware flow control doesn't work or isn't enabled > when it should be (or can't be) or both. This may actually be > an issue with the 16550 drivers not setting silo depth to a > reasonable level. Most of these guys use terminal servers for > the actual users where these local serial ports are used for UPS, > router control, serial printers, and other in-house controls. They > complain of seeing problems with lost data outbound when flow > control was in use, including during UUCP sessions. > > I have complained about this several times, but gave up after I realized > noone was listening. I have been including these in all our kernels: There was a bug in TTY line discipline (more precisely, in cblock allocation). Bruce Evans has fixed it in -current (and I think in -stable too) nearly a month ago. Serge Babkin ! (babkin@hq.icb.chel.su) ! Headquarter of Joint Stock Commercial Bank "Chelindbank" ! Chelyabinsk, Russia
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