Answers Database
Map 1.5i caused an invalid page fault, LIBBASUT.DLL
Record #5170
Product Family: Software
Product Line: FPGA Implementation
Product Part: map
Product Version: 1.5is2
Problem Title:
Map 1.5i caused an invalid page fault, LIBBASUT.DLL
Problem Description:
Urgency: Standard
General Description:
During implementing in map and the following happens:
Mapping completed.
See MAP report file "map.mrp" for details.
PROGRAM ABNORMALLY TERMINATED
Then map does the following twice:
MAP caused an invalid page fault in
module LIBBASUT.DLL at 0157:0048b06e.
Solution 1:
The cause is a poor design that should be flagged as a user error in logical drc. The IPAD signal "
..." drives the input to a BUFG and the input to an OBUF. The connection to the OBUF input should b
e a drc error.
To fix the design, the user should insert an IBUF between the IPAD and the OBUF. For example:
"clk50" "clk50i" "vix_zbt_clk"
IPAD---------->IBUF-------------->OBUF------------------>OPAD
|
| "clk50_int"
|------>BUFG-------------->...
End of Record #5170 - Last Modified: 07/06/99 11:08 | 
