Patch-ID# 100384-01
Keywords: panic data fault, rfs, ioctl
Synopsis: SunOS 4.1.1: panic data fault on rfs
Date: 17/Sept/91

SunOS release: 4.1.1

Topic: Some ioctl's on RFS cause panic data fault

BugID's fixed with this patch: 1063432

Architectures for which this patch is available: sun4 sun4c sun3 sun3x

Problem description:

	On an RFS device ioctl's that do not pass any parameters
	can cause panic data fault in rsc().

Fix description:

	The fix includes patched version of:

                rsc.o

Install instructions:

	As root make a copy of the original file:
        mv /sys/`arch -k`/OBJ/rsc.o /sys/`arch -k`/OBJ/rsc.o.FCS

   	As root install the appropriate architecture patch as follows:
        cp `arch -k`/rsc.o /sys/`arch -k`/OBJ/rsc.o
        chmod 444 /sys/`arch -k`/OBJ/rsc.o
 
   Then a config, make and install a new kernel.

Please refer to the System and Network Administration Manual for details
on how to configure and install a custom kernel.