From theway!cmcl2!yale!cs.utexas.edu!samsung!umich!terminator!doom.ifs.umich.edu!honey Tue Jul  3 09:50:45 EDT 1990
Article 2094 of comp.sys.ibm.pc.rt:
Path: theway!cmcl2!yale!cs.utexas.edu!samsung!umich!terminator!doom.ifs.umich.edu!honey
>From: honey@citi.umich.edu (Peter Honeyman)
Newsgroups: comp.sys.ibm.pc.rt
Subject: Re: recurring machine checks (AOS 4.3)
Message-ID: <1990Jul2.145828.5961@terminator.cc.umich.edu>
Date: 2 Jul 90 14:58:28 GMT
References: <3295@ursa-major.SPDCC.COM>
Sender: usenet@terminator.cc.umich.edu (usenet news)
Reply-To: honey@citi.umich.edu
Organization: Center for Information Technology Integration, Univ of Michigan
Lines: 15

bill webb in palo alto understands what's going on here, and offers the
following patch to ca/trap.c:

        switch (mcs_pcs) {
+       case MCS_CHECK|USER:
+       case MCS_CHECK:
+               printf("spurious machine check ignored\n"sp);
+               return;
        default:
                if (mcs_pcs & MCS_CHECK) {      /* machine check */

after seeing "spurious machine check ignored" printed a sufficient number
of times, you'll want to lose the printf and increment a counter.

	peter


