Date: Sat, 17 Jan 1998 07:37:37 -0800 (PST) From: Chris Timmons <skynyrd@opus.cts.cwu.edu> To: Bill Trost <trost@cloud.rain.com> Cc: mobile@FreeBSD.ORG Subject: Re: Fujitsu 635Tx: interim report Message-ID: <Pine.BSF.3.96.980117072624.23536A-100000@opus.cts.cwu.edu> In-Reply-To: <m0xtFRk-0002WZC@jli.com>
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This is one of life's great mysteries. At one point Nate found some sort of relationship between this and X. I use a NEC-6030X which behaves most of the time, but it seems that certain cisco console ports encourage the problem more readily than others. For example, I can boot with xdm on vty3, switch to vty0 and run kermit - plug into the dumb, no hw flow control 9600 baud console of a router, and bang, crippling silo overflows (not the innocuous ones I see periodically while using a modem cards.) I can get momentary relief by closing and reopening the kermit session. Other devices I can plug into and run forever without any problem. After thinking the problem had gone away I found a console the other day that this would happen on reliably; perhaps I'll go back with a breakout box and see if there isn't some extraneous signal which might be having an effect. I'm running 2.2+pao circa June 1997. -Chris On Fri, 16 Jan 1998, Bill Trost wrote: > * I installed (well, restore'd) the entire OS via a hardwired SLIP link. > That worked fine, but the first time I tried to use SLIP in multi-user mode, > I started getting one silo overflow per packet (a serious throughput hit > (-: ). PPP has the same problem. I do not understand why this is a problem > -- either I misconfigured the kernel, or the hardware, or something else is > wrong. Any tips would be appreciated. >
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