Summary: modload causes system crash

From: Greg Skinner (gds@la.TIS.COM)
Date: Tue May 19 1992 - 23:37:12 CDT

In response to my query:

     System: Sparc 1, 4/60, SunOS 4.1.2

     In the midst of installing NeWSprint 2.0, SPARCprinter option,
     the script causes my sparc to crash. I have isolated it to the
     "modload" step. When I attempt to run it by hand, with debugging
     enabled, these are the last two messages I get:

     ld -o /etc/lpvi.out -Bstatic -T ff01c000 -A /vmunix -N -e \
         _lpviinit -s ./lpvi.o
     Removing symbol table

     Then, the sparc crashes with the following message:

     panic: addintr: interrupt trap vector busy

     This happens regardless of running multi- or single-user, and
     regardless of whether I specify the running kernel (/vmunix) or a
     copy I've made.

      As far as I can tell, my sparc is correctly configured for
      loadable modules. Also, the SPARCprinter installation script
      claims I do not have to reconfigure the kernel to do the
      install. I was thinking of modifying the installation script to
      force a reconfiguration, but I would like to know if there are
      other alternatives.

I got responses from:

As it turns out, since it is a SPARC 1, we must upgrade our PROM
to version 1.3. This is actually noted in the documentation (but not
stated very strongly, IMHO).


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