Date: Wed, 17 Jan 2001 16:05:48 +1100 From: Peter Jeremy <peter.jeremy@alcatel.com.au> To: thierry.herbelot@free.fr Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: What to do if a box is just "frozen" Message-ID: <20010117160547.C98607@gsmx07.alcatel.com.au>
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On Mon, 15 Jan 2001 23:01:15 +0100, Thierry Herbelot <thierry.herbelot@free.fr> wrote: >I've got a little application at work which can "just freeze" a >4.2-Release : the purpose of the application is just a packet blaster >used for telecom equipement test (send as many UDP packets as ordered, >on as many interfaces as there are on a machine). > >So, on my 4.2-R test box (no-thrills BX, P-III 700 intel box), I have >some tens (around 30 of them) of such processes sending their packets, >and after some time (I have to more precisely determine this "some >time"), the box simply locks. >I do not see any message on console. What network card(s) are you using? What other cards/devices are in the box? Can you send an NMI to the box? (NMI can usually be generated by pulling I/0 channel check on the ISA bus low. I/0 channel check is pin A1 (and there's a convenient ground on pin B1). ([AB]1 is the pins closest to the rear of the machine). NMI should trap to DDB. Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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