Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!fub!tmpmbx!scuzzy!src
From: src@scuzzy.in-berlin.de (Heiko Blume)
Newsgroups: comp.unix.sysv386
Subject: Re: SECURITY BUG IN INTERACTIVE UNIX SYSV386
Keywords: BAD BUG
Message-ID: <1991Feb13.220110.1314@scuzzy.in-berlin.de>
Date: 13 Feb 91 22:01:10 GMT
References: <KR3NBQQ@dobag.in-berlin.de> <1991Feb11.184130.11321@jwt.UUCP> <1991Feb12.020625.6779@kithrup.COM>
Organization: Contributed Software
Lines: 17

sef@kithrup.COM (Sean Eric Fagan) writes:
>Get SCO.  It does not have this "feature," and still manages to support
>Weitek coprocessors (the coprocessor the original poster was referring to, I
>believe).  (The Weitek's use memory for registers and, obviously, need to be
>able to write them.  The weitek registers are stuck in the upage, and
>happen, in apparantly every 3.2 save SCO's, to be in the same page as the
>uid stuff.  *Bad*.  *Very* bad.)

there's no problem with ISC if you have any co-processor. the problem is the
floating point emulation that runs in user space and needs to write the u area. 

i hope ISC will send me a 'bug fix' in the form of a 33MHz 80387 :-)
-- 
      Heiko Blume <-+-> src@scuzzy.in-berlin.de <-+-> (+49 30) 691 88 93
                    public source archive [HST V.42bis]:
        scuzzy Any ACU,f 38400 6919520 gin:--gin: nuucp sword: nuucp
                     uucp scuzzy!/src/README /your/home