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Date:      Wed, 21 Oct 1998 03:06:58 -0700
From:      John-Mark Gurney <gurney_j@efn.org>
To:        Stephen McKay <syssgm@dtir.qld.gov.au>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: 3.0-R on a amd386dx/40
Message-ID:  <19981021030658.41265@hydrogen.nike.efn.org>
In-Reply-To: <199810210955.TAA08445@nymph.dtir.qld.gov.au>; from Stephen McKay on Wed, Oct 21, 1998 at 07:55:13PM %2B1000
References:  <19981021004537.00515@hydrogen.nike.efn.org> <199810210847.SAA06623@nymph.dtir.qld.gov.au> <19981021022458.12727@hydrogen.nike.efn.org> <199810210933.TAA07949@nymph.dtir.qld.gov.au> <19981021023848.61590@hydrogen.nike.efn.org> <199810210955.TAA08445@nymph.dtir.qld.gov.au>

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Stephen McKay scribbled this message on Oct 21:
> On Wednesday, 21st October 1998, John-Mark Gurney wrote:
> 
> >Stephen McKay scribbled this message on Oct 21:
> >> On Wednesday, 21st October 1998, John-Mark Gurney wrote:
> >> 
> >> >Stephen McKay scribbled this message on Oct 21:
> >> >> Sounds like the FP emulator isn't working.  What do the npx lines say
> >> >> on boot?
> >> >
> >> >well, it doesn't matter...  as I told another person, the problem is
> >> >that the binaries FAIL on a 2.2.1-R system...
> 
> >> Run 3.0 binaries on a 3.0 system and you'll have a better time of it.
> 
> >that's the WHOLE PROBLEM!!! 3.0 binaries on a 3.0-R kernel from the
> >3.0-R bin dist don't run!!!
> 
> Well, I think I'll return to my FP failure theory.  It's the only one
> consistent with fsck failing after the word "free".  The first floating
> point operation occurs just after that printf().
> 
> Try "awk", for example.  It uses floating point, and I think it will die.
> "df" uses double.  "newfs" uses float.  "ls" doesn't, and it works.  It's
> a floating point problem, or I'll eat my copy of the Pointy Hat!
> 
> I still think the "npx" lines from boot are relevant.

ok, here are the lines:
npx0 on motherboard
npx0: 387 emulator

these are the lines from a 2.2.6-R system that has problems running
the binaries...  I can't see how newfs would fail (elf) but systat (a.out)
would work perfectly fine under the same kernel if the emulator was
broken...  oh, and fsck (a.out), newfs (a.out) and df (a.out) also
work perfectly fine...

-- 
  John-Mark Gurney                              Voice: +1 541 684 8449
  Cu Networking					  P.O. Box 5693, 97405

  Live in Peace, destroy Micro$oft, support free software, run FreeBSD
	    Don't trust anyone you don't have the source for

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