Aurora Multimedia 4520CPR User Manual download pdf (Page 41)

Vanguard Multiport 4520CP Controller User’s Guide 6-3

The xxtrace Driver Tracing Utility

To clear a hung async port

1. Switch user to root:

system% su

Password: <root_password>

system#

2. Run ps to get the process number for the program that has the port open: sys-

tem# ps

3. Use kill to remove the offending process:

system# kill -9 <process_number>

This should free up the port. If it doesn’t, the process may be defunct. Use the

appropriate procedure below to remove a defunct process from a port.

To clear a defunct process on port cua/8

1. Switch to the AURAase directory

system# cd /opt/AURAase

2. Use the mset command to clear the port.

system# ./mset cua/8 -flush

Never use the mset -flush command on a functioning port. Lost data

will result.

The xxtrace Driver Tracing Utility

If you are having problems with your Vanguard Multiport card, a service represen-

tative may ask you to take a trace of your problem. This section describes the steps

you take to get a driver trace.

xxtrace Command Summary

Table 9 contains a summary of the xxtrace commands.

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Aurora Multimedia 4520CPR User Manual Page 41