Re: port-sparc/55573: sparc testbed logs many "coprocessor instruction" messages

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR port-sparc/55573; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: Andreas Gustafsson <gson%gson.org@localhost>
Cc: gnats-bugs%netbsd.org@localhost
Subject: Re: port-sparc/55573: sparc testbed logs many "coprocessor
 instruction" messages
Date: Fri, 14 Aug 2020 11:15:04 +0200

 On Fri, Aug 14, 2020 at 11:55:33AM +0300, Andreas Gustafsson wrote:
 > Martin Husemann wrote:
 > >  This is a FPU instruction with FPU disabled (trap T_CPDISABLED),
 > >  sending a SIGILL to the process.
 > 
 > A number of ATF test cases also trigger the message, yet they pass;
 > if they are getting a SIGILL, why don't they fail?
 
 Yes, you are right (had to look up the traps, they are different).
 Let's identify the instruction causing it and remove the kernel printf.
 
 Martin