Patch-ID# 100873-02 Keywords: Exabyte, SCSI, panic ,zero devide, uninitialised Synopsis: SunOS 4.1.2;4.1.3: PANICS ACCESSING EXABYTE DRIVE ON SUN4 Date: Aug/02/94 SunOS release: 4.1.2 4.1.3 Unbundled Product: Unbundled Release: Topic: Fixes problem accessing Exabyte Drive BugId's fixed with this patch: 1100858 Architectures for which this patch is available: sun4 sun4c sun4m Obsoleted by: Changes incorporated in this version: Problem Description: BUG ID 1100858: 8MM tape problem resolved in 4.1.2 but still exists in 4.1.3: panics zero divide trap when tape drive uninitialised SunOS4.1.2 on a 4/470 with internal Sun 8mm tape panics with `dd': zero divide trap:, out of st_have_window, if and only if the tape drive has not been accessed since last boot. INSTALL: As root: Save the old version of the module as a precaution: mv /sys/`arch -k`/OBJ/st.o /sys/`arch -k`/OBJ/st.o.FCS Install the new version with: cp `arch -k`/4.1.x/st.o /sys/`arch -k`/OBJ/st.o SRC INSTALLATION NOTE: If you wish to install the st.c file in the sys directory to arrange for its recompilation: On SUN4: Install sundev/st.c On SUN4C & SUN4M: Install scsi/targets/st.c Run /etc/config on your kernel and do a make. Install the newly configured vmunix and reboot. Refer to the Systems and Network administrations manual on how to configure a kernel.