Patch-ID# 101741-03 Keywords: device, probing, asynchronous, error, memory, cache, fault, panic Synopsis: SunOS 4.1.3_U1: Asynchronous Memory panic probing non-existent sbus device Date: Jun/28/96 Solaris Release: 1.1.1 SunOS Release: 4.1.3_U1 NOTE: The 4.1.3 version of this patch is patchid 101742 Unbundled Product: Unbundled Release: Topic: platform-specific simultaneous sbus error bug; also cache bug fix BugId's fixed with this patch: 1158410 1156505 1248127 Changes incorporated in this version: 1248127 Architectures for which this patch is available: sun4c Patches which may conflict with this patch: Obsoleted by: Solaris 2.x Files included with this patch: locore.o machdep.o Problem Description: INSTALLING PATCH 101741-01 CAUSES SERIAL PORT CORRUPTION. 1158410: Consecutive stores (or store and load) which fall within the processor pipeline to a non-existent sbus address causes panic in memerr(). 1156505: certain write page faults can corrupt one word of processor cache. 1248127: included DBE support Install Instructions: mv /sys/sun4c/OBJ/locore.o /sys/sun4c/OBJ/locore.o.FCS mv /sys/sun4c/OBJ/machdep.o /sys/sun4c/OBJ/machdep.o.FCS For Non DBE systems cp sun4c/locore.o /sys/sun4c/OBJ/locore.o cp sun4c/machdep.o /sys/sun4c/OBJ/machdep.o For DBE systems cp sun4c/locore.DBE /sys/sun4c/OBJ/locore.o cp sun4c/machdep.DBE /sys/sun4c/OBJ/machdep.o Then, build, install, and boot a new kernel. Please refer to the System and Network Administration Manual.