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Troubleshooting Cache Memory Problems |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Solutions: Procedure for troubleshooting cache memory problems: When customers have problems such as documents being damaged when certain operations are performed, the problems may be related to cache memory. These types of problems are usually very difficult to isolate. Here are some steps that can help isolate this type of problem. First have the customer start WP in its normal environment (all TSRs and Device drivers loaded). Have the customer use the /W switch to limit the amount of memory used by WP (/W-#, where # represents the number of kilobytes to use). Start with a high value for the /W switch and work down until the program starts without the error "requested workspace too large". Usually you will start with 150. If the customer does not receive this message at first increase the requested workspace until you receive the error. Enter WordPerfect using the largest value which does not generate the error, and verify that the customer still can duplicate the problem. Next have the customer remove all TSRs and device drivers and enter WP using the /W switch with the same number as previously specified. This will help to verify that the problem lies with WP's use of memory, not another program's. Once the problem has been duplicated in this vanilla environment, try to duplicate the problem on your own computer using the /W switch with the same value that you determined with the customer. Try to duplicate the customer's problems. You may find that you can duplicate some very interesting problems. Write the problem up--be sure to include the value used with the /W switch which shows the problem. This greatly aids programmers and testers. |
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