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AR# 33381

ISE Design Suite 11 - ISE Simulator (ISim) Known Issues

Description

This Answer Record contains a list of known and resolved issues for ISE Simulator in ISE Design Suite 11.

Please note that multiple known issues in ISE Simulator 11 have been resolved in newer versions of the tool. Please download and install the latest ISE Simulator by download the newest ISE Design Suite release from the Download Center at http://www.xilinx.com/support/download/index.htm

Solution

NOTE: There were no updates/changes to the ISE Simulator tool in ISE Design Suite 11 Update 5 (11.5).

Known Issues in ISE Design Suite 11 Update 4 (11.4):
(Xilinx Answer 34567) - Bi-directional signals are not initialized during simulation restart
(Xilinx Answer 34100)- "ERROR: no Simulation Engine found in the Transform Input that matches sim_isim_beh.exe"
(Xilinx Answer 33820) - "FATAL_ERROR:Simulator:CompilerAssert.h:40:1.17 - Internal Compiler Error in file ../src/DIDATUtils.cpp"
(Xilinx Answer 33819) - "ERROR: Target size 3160144 and source size 6 do not match"
(Xilinx Answer 33818) - "ERROR: at x ns: Negative wait time (-2147483647 ps) in File "tb_test.vhd""
(Xilinx Answer 33732) - "$fscanf does not return "-1" upon EOF (end of file)"
(Xilinx Answer 33551) - "Simulator:778 - Static elaboration of top level Verilog design unit(s) in library work failed"
(Xilinx Answer 33423) - Error "Simulator is abnormally terminated"
(Xilinx Answer 33426) - "ERROR:Simulator:904 - Unable to remove previous simulation file"
(Xilinx Answer 33429) - "INFO: Simulator is stopped" when performing VCD dump
(Xilinx Answer 32357) - "FATAL_ERROR:Simulator:Fuse.cpp:217:1.95 - Failed to compile one of the generated C code..."
(Xilinx Answer 33424) - Memory leak when I delete and add signals to wave window
(Xilinx Answer 33425) - Provide the support for global file (defining the compiler directives) as include file in fuse
(Xilinx Answer 33427) - Unable to view shared access variables in ISim GUI
(Xilinx Answer 33428) - Unable to set breakpoints via "Toggle Breakpoint" context menu option

Issues resolved in ISE Design Suite 11 Update 4:
(Xilinx Answer 33727) - "HDLCompiler:1044 - "Unknown" Line 0: /data/Xilinx/11.1/ISE/verilog/hdp/lin64/xip/gt11_ver/@g@t11_@s@w@i@f@t.sdb was created using an incompatible version_number..."
(Xilinx Answer 33729) - Pressing the Sync Time button makes signals in Wave window disappear
(Xilinx Answer 33422) - Error "tracing limit is reached. Signal tracing will stop!"
(Xilinx Answer 33730) - "ERROR:HDLCompiler:597" when attempting to pass multiple generics in simulation
(Xilinx Answer 32358) - System slows down considerably when I use ISim for timing simulations

Issues resolved in ISE Design Suite 11 Update 3 (11.3):
(Xilinx Answer 33430) - Error "Read on file called at end of file" asserted by ISim when reading a binary file
(Xilinx Answer 33217) - Error "A Xilinx Application has encountered an unexpected error" asserted when launching ISim
(Xilinx Answer 33431) - Output of bi-directional signals always appear as an unknown force ('X')
(Xilinx Answer 33432) - How do you measure between two cursors?
(Xilinx Answer 33433) - "FATAL_ERROR:Simulator:CompilerAssert.h:40:1.36.10.7"
(Xilinx Answer 33434) - Unexpected characters appearing in output binary file
(Xilinx Answer 30913) - "ERROR: Signal EXCEPTION_ACCESS_VIOLATION" received

Issues resolved in ISE Design Suite 11 Update 2 (11.2):
(Xilinx Answer 32359) - ISim GUI hangs or freezes frequently while performing some simulator tasks
(Xilinx Answer 33435) - Error "channel 'isimConsole' was not opened for writing" when typing shell commands
(Xilinx Answer 32357) - "FATAL_ERROR:Simulator:Fuse.cpp:217:1.95.2.6"
(Xilinx Answer 30913) - "ERROR: Signal EXCEPTION_ACCESS_VIOLATION" received
(Xilinx Answer 32360) - Issues when using assert / report commands in VHDL
(Xilinx Answer 33438) - Resolution of time in GUI does not match set simulator resolution

Issues resolved in ISE Design Suite 11 Release (11.1):
(Xilinx Answer 33235) - ISim runs out of memory when I use Print Preview from ISim
(Xilinx Answer 30874) - Unable to view the added signals in ISim waveform window
(Xilinx Answer 33236) - Signals added to a testbench are not automatically added to the waveform
(Xilinx Answer 33237) - Zoom in on marker does not work properly
(Xilinx Answer 30913) - "ERROR: Signal EXCEPTION_ACCESS_VIOLATION"

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
32147 ISE Design Suite 11 - Known Issues N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
34567 11.4 ISE Simulator (ISim) - Bi-directional signals are not initialized during simulation restart N/A N/A
34100 ISE Simulator (ISim) - ERROR: no Simulation Engine found in the Transform Input that matches sim_isim_beh.exe N/A N/A
33819 ISE Simulator (ISim) - ERROR: Target size 3160144 and source size 6 do not match N/A N/A
33732 ISE Simulator (ISim) - $fscanf does not return "-1" upon EOF (end of file) N/A N/A
33729 ISE Simulator (ISim) - Pressing the Sync Time button makes signals in the Wave window disappear N/A N/A
33727 ISE Simulator (ISim) - "ERROR:HDLCompiler:1044 - "Unknown" Line 0: /data/Xilinx/11.1/ISE/verilog/hdp/lin64/xip/ ..." N/A N/A
33438 ISE Simulator (ISim) - Resolution of time in GUI does not match set simulator resolution N/A N/A
33435 ISE Simulator (ISim) - Error "channel 'isimConsole' wasn't opened for writing" when typing shell commands N/A N/A
33434 ISE Simulator (ISim) - Unexpected characters appearing in output binary file N/A N/A
33433 ISE Simulator (ISim) - "FATAL_ERROR:Simulator:CompilerAssert.h:40:1.36.10.7..." N/A N/A
33432 ISE Simulator (ISim) - How do you measure between two cursors? N/A N/A
33431 ISE Simulator (ISim) - Output of bi-directional signals always appear as an unknown force ('X') N/A N/A
33430 ISE Simulator (ISim) - Error "Read on file called at end of file" asserted by ISim when reading a binary file N/A N/A
33426 ISE Simulator (ISim) - ERROR:Simulator:904 - Unable to remove previous simulation file N/A N/A
33425 ISE Simulator (ISim) - ERROR:HDLCompiler:870 - Macro is not defined. N/A N/A
33424 ISE Simulator (ISim) - Memory leak when I delete and add signals to wave window N/A N/A
33423 ISE Simulator (ISim) - Error "Simulator is abnormally terminated" N/A N/A
32357 ISE Simulator (ISim) - "FATAL_ERROR:Simulator:Fuse.cpp:217:1.95 - Failed to compile one of the generated C code..." N/A N/A
33217 11.2 ISE Simulator (ISIM) - Error "A Xilinx Application has encountered an unexpected error" asserted when launching ISim N/A N/A
30913 ISE Simulator (ISim) - "ERROR: Signal EXCEPTION_ACCESS_VIOLATION" N/A N/A
32359 11.1 ISE Simulator (ISim) - ISim GUI hangs or freezes frequently while performing some simulator tasks N/A N/A
32360 11.1 ISE Simulator (ISim) - Issues when using assert / report commands in VHDL N/A N/A
33235 10.1 ISE Simulator (ISim) - ISim runs out of memory when I use Print Preview from ISim N/A N/A
30874 10.1 ISim - Unable to view the added signals in ISim waveform window N/A N/A
33236 10.1 ISE Simulator (ISim) - Signals added to a testbench are not automatically added to the waveform N/A N/A
33237 10.1 ISE Simulator (ISim) - Zoom in on marker does not work properly N/A N/A
32358 11.1 ISE Simulator (ISim) - System slows down considerably when I use ISim for timing simulations N/A N/A
AR# 33381
Date Created 09/08/2009
Last Updated 05/22/2012
Status Active
Type Known Issues
Tools
  • ISE Design Suite - 11.1
  • ISE Design Suite - 11.2
  • ISE Design Suite - 11.3
  • ISE Design Suite - 11.4