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: 1.1 SunOS Release: 4.1, 4.1.2, 4.1.3, 4.1.3C Unbundled Product: SunLink MCP Unbundled Release: 6.0 Relevant Architectures: 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: SunLink MCP 6.0: kernel panic: mcpi_start: xmt cmplt already set 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.