Patch-ID# 100484-03
Keywords: console esp0 transmit mb/s at target esp0 xbox 600MP xboard
Synopsis: SunOS 4.1.2: esp0 appears about 20 times a day on console
Date: Jan/10/94
 
SunOS release: 4.1.2
 
Topic: scsi driver fixes for sequence step errors and xboard/xbox 
 
BugId's fixed with this patch: 1078167 1136580 1128862

Changes incorporated in this version: 1136580 1128862

Architectures for which this patch is available: sun4m sun4c

Patches which may conflict with this patch:

Obsoleted by: 

Files included with this patch: esp.o

Problem Description:

Bug 1128862

The FAS-101 is falsely reporting a "bad sequence step 7" instead of the normal
sequence step of 4. The causes the SCSI peripheral to fail on that I/O with the
potential of not being able to boot the system or install it

(from 100484-02)

Bug 1136580

Heavily loaded SS600MP with DSBE/S on SES/B panics
(from 100484-01)

Bug 1078167

Suppression of scsi disk soft error messages on console. 

INSTALL: 

As root, make a backup copy of esp.o:
     mv /sys/`arch -k`/OBJ/esp.o /sys/`arch -k`/OBJ/esp.o.FCS

Now install the patched version of esp.o:
     cp `arch -k`/esp.o /sys/`arch -k`/OBJ

     Please Refer to the System and Networking Administration Manual
             section on building and installing a custom kernel.
 
IMPORTANT NOTE: This patch works for both normal and SES/B scsi configurations.