kathy@bakerst.UUCP (Kathy Vincent) (09/23/86)
Question. I've been noticing some messages
lately on net.micro and net.micro.att that remind
me of a problem I've been experiencing all too
regularly on my machine, and I'm curious to know whether
anyone else has been having the same problem.
I'll be typing along when I realize that some of the
characters I'm typing aren't showing up on the screen.
Experimentation has shown that sometimes the characters
are being received by the system, sometimes they aren't.
In other words, I'll type in a command and only part of
it will show up on the screen, but when I <CR>, most of
the time, the command is executed.
It happened the first time about three months ago -
right when my machine was in transition betwixt
warranty coverage and maintenance contract coverage ...
Happened again a bit later. Then happened, like, once
a day for a week about two weeks ago. (I don't know about
more recent history - I've been out of town for a while.)
The first few times, I noted that there had been heavy
electrical activity in the area - thunderstorms - immediately
prior to the occurrence of the problem. Can't say that's true
for all of the later occurrences.
If I remember correctly, the similar sort of problems are
happening on 3B2s, and someone suggested a kernel flow control
problem???
Comments?
Kathy Vincent
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AT&T at ihnp4!wruxh!unixkathy@bakerst.UUCP (Kathy Vincent) (09/25/86)
In response to this posting of mine, [continued below recap] In article <252@bakerst.UUCP>, kathy@bakerst.UUCP (Kathy Vincent) writes: > > Question. I've been noticing some messages > lately on net.micro and net.micro.att that remind > me of a problem I've been experiencing all too > regularly on my UNIX PC (3B1), and I'm curious to know whether > anyone else has been having the same problem. > > I'll be typing along when I realize that some of the > characters I'm typing aren't showing up on the screen. > Experimentation has shown that sometimes the characters > are being received by the system, sometimes they aren't. > In other words, I'll type in a command and only part of > it will show up on the screen, but when I <CR>, most of > the time, the command is executed. > > It happened the first time about three months ago - > right when my machine was in transition betwixt > warranty coverage and maintenance contract coverage ... > Happened again a bit later. Then happened, like, once > a day for a week about two weeks ago. (I don't know about > more recent history - I've been out of town for a while.) > > The first few times, I noted that there had been heavy > electrical activity in the area - thunderstorms - immediately > prior to the occurrence of the problem. Can't say that's true > for all of the later occurrences. > > If I remember correctly, the similar sort of problems are > happening on 3B2s, and someone suggested a kernel flow control > problem??? > > Comments? I received the following reply in mail, requesting more information, which I happily supply: > Please post more, including: > > - Type of system (I guess it's some variety of UN*X, but what system > on what box with how many users). As posted, I have a UNIX PC Model 3B1. I'm running UNIX System 5 - which I understand is a variant of 5.0 - release 3 for the UNIX PC. My machine has 2 MB of RAM on the motherboard and a 67 MB integral harddisk. No cards (i.e., no combo card or anything). One of those times, I might have had a 6300 attached to the RS-232 port, but that would have been one of the first two times - and I know that I didn't experience the same problems with the 6300 if it was attached (which I doubt, but couldn't swear by). Each time the problem occurred, I was the only person online, working at the console - on the machine itself. > - Type of terminal; if a PC of some sort, what sort with what > communications program. (It's even possible you're the sole user > logged onto a PC running UNIX; I couldn't even tell that from > the original posting.) Although I often have someone else working on my UNIX PC at the same time, calling in via the built-in internal modem, I was the only one working each time the problem occurred - at least as far as I know. Sole user. Sitting at my own desk in front of my own machine. > - Line speed and connection type (long distance? PBX? LAN?) Line speed - the console works at 9600 baud. Additional information: I called the Hotline the other day to ask about the problem. No clues. They were as puzzled as I am. I ran the memory and parity, processor, monitor, and keyboard diagnostics - no errors. Just for the heck of it, I installed the 3.04.30L kernel yesterday. My understanding is that's a fix for the combo board, which I don't have, but I figured, what the heck - couldn't hurt, might help. And besides, I needed a little excitement. Kathy Vincent :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: _____________ Home at / \ / mtune \ / wrux[hi] \ ihnp4! < > !bakerst!kathy kitty / / / {hplabs|seismo}! --- / / {mcnc|rti-sel|burl}!ethos! ------- AT&T at ihnp4!wruxh!unix