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Date:      Thu, 5 Nov 1998 09:03:33 -0500 (EST)
From:      Bob Bridgham <bob@netacc.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Couple of questions and answers
Message-ID:  <Pine.BSF.4.02.9811050840430.27659-100000@net3.netacc.net>

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Just to let you all know,

	The problem I wrote to you all earlier this week happened to be a
problem with either our Router, or a Transcever.  Power cycled it(a warm
boot did not fix it) and it was great.


	Here are two other questions,
1: I am getting these messages from the system : 
> de0: abnormal interrupt: transmit underflow (raising TX threshold to 96|256)
> de0: abnormal interrupt: transmit underflow (raising TX threshold to 8|512)

Is this some sort of TX queue, what exactly is the threshold, and
should/can I set it manually, it comes up every time the machine reboots.


2: The sd1 stuff is very news, and I think it was a one time bad sector or
something of the sort(If I am way off please let me know) But also the
qmail-smtpd exited on sig11.  I had asked this once before on the qmail
mailing list and someone mentioned bad memory, and other thoughts?

> pid 11451 (qmail-smtpd), uid 16465: exited on signal 11
> sd1(ahc0:2:0): SCB 0x3 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
> SEQADDR = 0x7 SCSISEQ = 0x12 SSTAT0 = 0x5 SSTAT1 = 0xa
> sd1(ahc0:2:0): Queueing an Abort SCB
> sd1(ahc0:2:0): Abort Message Sent
> sd1(ahc0:2:0): SCB 3 - Abort Completed.
> sd1(ahc0:2:0): no longer in timeout

3: I know on other Flavors of UNIX I have used, you would use ulimit to
limit CPU/process Swam MEM/process...  And I saw limit, but I can't seem
to limit processes to X memory.  I basically want to limit any process to
50MB in Swap.  It is not a user's machine, but we sometimes have processes
that just suddenly malloc mem and eat the swap file till the machine has
0MB swap and freezes.  Any ideas?

					Bob Bridgham
					Network Administrator
					NetAccess Inc.
					Phone : (716) 756-5500



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