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Conference 7.286::digital

Title:The Digital way of working
Moderator:QUARK::LIONELON
Created:Fri Feb 14 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:5321
Total number of notes:139771

5276.0. "Intel - Bugs Inside" by KAOFS::R_DAVEY (Robin Davey CSC/CTH dtn 772-7220) Mon May 05 1997 17:50

    It appears Intel is in trouble again with FPU bugs in both the
    Pentium Pro and Pentium II.  See Robert Collins' "IntelSecrets"
    web page at:
    
    http://www.x86.org/
    
    The new bug article is at:
    
    http://www.x86.org/secrets/Dan0411.html
    
    
    What are the chances of DIGITAL taking advantage of this?
    	My guess is NIL to Non-existant.
    
    
    Robin
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5276.1TLE::REAGANAll of this chaos makes perfect senseMon May 05 1997 18:327
    Well, I certainly wouldn't put this in the same category as the
    previous floating point bug.  For those who don't want to look, the
    bug is with Pentium II and Pentium Pro processors failing to set a
    flag in the floating point status register when a float-to-int
    conversion won't fit in a small integer.  
    
    				-John
5276.2QUARK::LIONELFree advice is worth every centMon May 05 1997 18:474
It would be inappropriate for Digital to try to "take advantage" of this,
especially when we are about to introduce our own Pentium II systems.  

				Steve
5276.3LGP30::FLEISCHERwithout vision the people perish (DTN 381-0426 ZKO1-1)Mon May 05 1997 19:197
> It would be inappropriate for Digital to try to "take advantage" of this,
> especially when we are about to introduce our own Pentium II systems.  
  
        We could always introduce them as our line of "small,
        inaccurate machines".

        Bob
5276.4COOKIE::FROEHLINVMS...riding into the setting sun!Mon May 05 1997 20:379
>    bug is with Pentium II and Pentium Pro processors failing to set a
>    flag in the floating point status register when a float-to-int
>    conversion won't fit in a small integer.  
    
    Wasn't that the bug area where the last Arianne Euro-rocket blew up?
    Maybe they where an early beta site for these new processors. And Intel
    made us believe it was a software bug...
    
    Guenther
5276.5DPE1::ARMSTRONGMon May 05 1997 20:558
>    Wasn't that the bug area where the last Arianne Euro-rocket blew up?
>    Maybe they where an early beta site for these new processors. And Intel
>    made us believe it was a software bug...

    The 'IntelSecrets' Web site mentions this...although the problem
    in that case was with the software and not the hardware.  The software
    was not checking this flag....so dont trivialize this error.
    bob
5276.6TLE::REAGANAll of this chaos makes perfect senseTue May 06 1997 15:1314
    re:.4  No.  
    
    The bug was the routine in question returned a error string (in ASCII)
    saying that a floating error occurred.  The calling routine simply
    took the ASCII characters as valid data (never thinking that an
    error could occur).
    
    Given the previous public trashing Intel took with the Pentium FP
    problem, I would hope to see an official public statement from Intel.
    Until then, all speculation will just spin out of control until we
    end up some conspiracy theory about space aliens controlling the
    government with advanced mind control.
    
    				-John
5276.7STAR::PARKESometimes pigeon, Sometimes statueTue May 06 1997 16:585
    On CNN last night it was mentioned the "Intel had found a glitch..."
    "The problem is being investigated..." and "No recalls will be done"
    
    
                                           
5276.8COOKIE::FROEHLINVMS...riding into the setting sun!Tue May 06 1997 17:538
.6> The bug was the routine in question returned a error string (in ASCII)
    
    John, you're an easy believer...I think the Arianne was THE beta test
    site for this chip and when the hardware bug showed up, the European
    Space Agency agreed to cover this up as a software bug and Intel
    replaces the rocket. ;-)
    
    Guenther
5276.9BBQ::WOODWARDC...but words can break my heartWed May 07 1997 01:028
    
    >Until then, all speculation will just spin out of control until we
    >end up some conspiracy theory about space aliens controlling the
    >government with advanced mind control.
    
    you heard about that too? ;') :') ;') :')
    
    H
5276.10MKTCRV::MANNERINGSWed May 07 1997 08:201
    It is the space aliens who are sending out the empty envelopes, really.
5276.11a kind of ethic?ATZIS3::SCHATZMANN_HWed May 07 1997 08:5014
    I think the best advantage about this new INTEL bug would be.
    
            ###############################################
            # Make a BIG Press-Propaganda as a first one. #
            ###############################################
    
      ----> Tell that we will NOT take advantage out of this.
     
    -Then do the same like last time. 
     .help Intel to swap tons of Pentiums-xy and earn money on this way.
     .hope Alpha-Chip would never have the same Problem.
    
    helmut