Date: Wed, 14 Aug 1996 15:45:46 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: handy@sag.space.lockheed.com (Brian N. Handy) Cc: msmith@atrad.adelaide.edu.au, ponds!rivers@dg-rtp.dg.com, sag.space.lockheed.com!handy@dg-rtp.dg.com, ponds!rivers@freefall.freebsd.org, freebsd-hackers@freefall.freebsd.org Subject: Re: sio issues (silo overflows on a pentium, locked in ttywait, etc...) Message-ID: <199608140615.PAA29653@genesis.atrad.adelaide.edu.au> In-Reply-To: <Pine.OSF.3.94.960813224615.31544D-100000@sag.space.lockheed.com> from "Brian N. Handy" at Aug 13, 96 10:48:44 pm
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Brian N. Handy stands accused of saying: > > > >The fact that you're the only person seeing this makes me wonder whether > >you have funny serial hardware causing your problems. Note that lots of > >PC serial hardware is _really_bad_, so this is actually fairly likely. > > > > Now, it's worth noting that before I upgraded the 486 with the errant > mouse port to...oh...I think 2.1? (Nate would remember, he sees the same > thing) I never got the "sio overflow" message in my syslogs. Something > has changed to make this error show up. Again, I've never noticed it > affecting anything. Hmm, you say Nate sees this error too? Any chance it's on the same hardware? Or on a common-denominator part? In the set of machines that I could be said to 'have a finger in', there are a huge number of different UART parts, but none that seem to generate FIFO overflows without due cause. > I don't remember when it started, so don't quote me on that. It's a new > development in the last 1.5 years or so though. Sheesh, 1.5 years takes us back to 2.0. Ancient history 8) > Brian -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[
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