Patch-ID# 100461-02
Keywords: panic xmt cmplt already mcp
Synopsis: SunLink MCP 6.0: system panics with "xmt cmplt already set" message
Date: Oct/20/94

Solaris Release: 1.0.1, 1.1, 1.1C

SunOS Release: 4.1, 4.1.2, 4.1.3, 4.1.3C

Unbundled Product: SunLink MCP

Unbundled Release: 6.0

Relevant Architectures: sparc
NOTE: sun4 sun4m

BugId's fixed with this patch: 1178084 1069229 1064445

Changes incorporated in this version:1178084  

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 100473-01

Patches required with this patch: 

Obsoleted by: 

Files included with this patch: 

	mcp_isdlc.o mcp_sdlc.o

Problem Description: 

<From 100461-02>
	SunLink MCP 6.0: kernel panic: mcpi_start: xmt cmplt already set

<From 100461-01>
    1064445 Sun4/470 Sun4/490 machiness with mcp installed, when mcp
        generating a spurrious FIFO interrupt, would cause
        panic: text fault.

        NOTE: This problem only happened on Sun4/470 and Sun4/490.

    1069229 kernel panic. mcpi_start: xmit sequence error
        SunLink MCP 6.0: kernel panic: mcpi_start: xmit sequence error


Patch Installation Instructions: 

As root, make a copy of the files to be patched:

cp /sys/`arch -k`/OBJ/mcp_sdlc.o /sys/`arch -k`/OBJ/mcp_sdlc.orig
cp /sys/`arch -k`/OBJ/mcp_isdlc.o /sys/`arch -k`/OBJ/mcp_isdlc.orig

Install the new files:

cp sun4/mcp_isdlc.o /sys/`arch -k`/OBJ
cp sun4/mcp_sdlc.o  /sys/`arch -k`/OBJ

Rebuild your kernel, install it and reboot the machine

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

