Patch-ID# 100261-02 Keywords: 4.1.1 misaligned frames ie controller underrun Synopsis: SunOS 4.1.1: Sun4-490,4-470 only,misaligned frames from ie controller during heavy traffic. Date: 08/April/91 SunOS RELEASE: 4.1.1 Topic: IE Patch BugID's fixed with this patch: 1054014 Architectures for which this patch is available: sun4-490 & sun4-470 Obsolete By: SVR4 Problem Description: BUGID: 1054014 Confirmed that the 4/490 was sending out misaligned frames. A network sniffer will show at the DLC layer that the "bad" packets are misaligned frames. INSTALL: As root: # mv /sys/sun4/OBJ/ie_conf.o /sys/sun4/OBJ/ie_conf.o.FCS # mv /sys/sun4/OBJ/if_ie.o /sys/sun4/OBJ/if_ie.o.FCS # mv /sys/sunif/ie_conf.c /sys/sunif/ie_conf.c.FCS # cp sun4/ie_conf.o /sys/sun4/OBJ # cp sun4/if_ie.o /sys/sun4/OBJ # cp sunif/ie_conf.c /sys/sunif A new kernel will need to be built and installed. Please refer to the system and networking administration manual for details on building and installing a new kernel