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Date:      Mon, 6 May 1996 19:56:58 -0600
From:      Nate Williams <nate@sri.MT.net>
To:        Warner Losh <imp@village.org>
Cc:        stable@FreeBSD.org
Subject:   Re: SLIP and memory corruption?
Message-ID:  <199605070156.TAA19668@rocky.sri.MT.net>
In-Reply-To: <199605070107.TAA02637@rover.village.org>
References:  <199605070107.TAA02637@rover.village.org>

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> Greetings,
> 	I have a friend that has a small problem with kernel memory
> corruption.  He has 2 slip lines on his machine.  One of them always
> connected (or nearly so) to the village's central hub, and the other
> connected to another machine from time to time.  He's running -stable
> from April 15ish.
> 
> We've noticed over the past few weeks that whenever the second SLIP
> line is in use, he starts to see negative numbers in his runtime
> numbers that ps reports.  He also sees routing go nuts as well.

Hmm, I've seen no such problems on my router box, but I'm only running
one SLIP connection.  I would suspect one line would cause the same
problems as two, but maybe not.  In any case, my router has one
dedicated SLIP line, one dedicated PPP line, and a dial-in PPP line from
home.

 7:54PM  up 108 days, 40 mins, 3 users, load averages: 0.00, 0.00, 0.00
USER     TTY FROM              LOGIN@  IDLE WHAT
Strout   d2  -                16Mar96 51days -sliplogin (sliplogin)

The SLIP connection is from my box at home:
 7:54PM  up 51 days,  7:54, 3 users, load averages: 0.09, 0.07, 0.02

Pretty darn good line.  I wish the line from my house to work was as
good as my line from home to work, as it's been up w/out even a blink
for 51 days straight.  I'm lucky to get 24 hours to our ISP w/out the
line going nuts, and U.S. West hasn't been able to pin-point the problem
with any luck as it's pretty sporadic.

Both of the boxes are running 2.1R with minor patches from -stable.



Nate



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