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Bugs
ngspice Bugs
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799
./tests/bin/check.sh src/ngspice tests/sensitivity/diffpair.cir failure
v1.0 (example)
open-accepted
Holger Vogt
2025-07-23
3 days ago
5
798
First parameter in OSDI model is zero in LTA and PSA modes
v1.0 (example)
open-fixed
Holger Vogt
2025-07-10
2025-07-13
5
797
NGspice crashes with "Fatal error" when netlist contains undefined parameters
v1.0 (example)
open
2025-07-04
2025-07-23
5
796
DC simulation convergence issue
v1.0 (example)
open
2025-06-25
2025-06-28
5
795
NGspice LTPS Mode Simulation Fails with Added Open Branches in Circuit Variant
v1.0 (example)
open
2025-06-17
2025-06-17
5
794
Simulation Failure with Netlist Exported from KiCad
v1.0 (example)
open
2025-06-10
2025-06-10
5
793
breakp.c error
v1.0 (example)
open-fixed
Giles Atkinson
2025-06-03
2025-06-27
5
792
N device instance line not parsed correct
v1.0 (example)
open-fixed
Giles Atkinson
2025-05-27
2025-06-11
5
791
AC simulation fails in standalone Ngspice but works in KiCad's internal simulator
v1.0 (example)
open
2025-05-24
2025-05-24
5
790
Convergence Failure in ngspice LTPS Mode with KiCad Netlist
v1.0 (example)
open
2025-05-21
2025-05-21
5
785
NGSpice fails in non-compatible mode due to an undefined parameter [temp], but ignores it in LTPS mode, resulting in inconsistent simulation behavior. Singular matrix diagnostic information is also insufficient.
v1.0 (example)
open
Holger Vogt
2025-05-07
2025-05-07
5
784
Simulation Inconsistency in NGspice LTPS Mode: Adding a Parallel Branch on Static Pins Causes Singular Matrix Error and Simulation Failure
v1.0 (example)
open
2025-05-06
2025-05-06
5
783
Alter command hangs forever on large netlist
v1.0 (example)
open
2025-04-29
2025-04-30
5
782
Timeout in LTPS Mode with Test Netlist, Works Fine in Non-Compatible Mode
v1.0 (example)
open
2025-04-24
2025-04-30
5
781
VDMOS clamps/saturates output to 770V
v1.0 (example)
open
2025-04-16
2025-06-25
5
780
NGspice Expression Parser Does Not Support if() Function Outside of PS/LTPS Modes, Causing Cross-Mode Compatibility Issues
v1.0 (example)
open
2025-04-15
2025-05-07
5
779
The simulation results in LT mode are inconsistent between LTspice and NGspice.
v1.0 (example)
open
2025-04-15
2025-04-15
5
778
Question Regarding .AC Analysis Not Executing Properly in NGspice
v1.0 (example)
open
2025-04-15
2025-04-15
5
777
Unexpected glitches from simulaiton
v1.0 (example)
open
Holger Vogt
2025-04-15
2025-04-15
3
776
vlnggen fails to find verilator in MSYS2/MINGW64 on Windows 10
v1.0 (example)
open
2025-04-14
2025-04-16
5
775
Missing LDFLAGS in vlnggen
v1.0 (example)
open-accepted
Giles Atkinson
2025-04-12
2025-04-13
5
774
Question Regarding .AC Analysis Not Executing Properly in NGspice
v1.0 (example)
open
2025-04-11
2025-04-11
5
773
Compatibility Issue with temp Parameter Parsing in NGspice LT Mode
v1.0 (example)
open
2025-04-11
2025-04-11
5
772
ngspice + icarus verilog cosim: searches for ivlng.so in /usr/local/lib/ngspice regardless of --prefix path given during configuration and build.
v1.0 (example)
open-fixed
Giles Atkinson
2025-04-10
2025-04-29
5
771
NGspice Expression Parser Does Not Support if() Function Outside of PS/LTPS Modes, Causing Cross-Mode Compatibility Issues
v1.0 (example)
open
2025-04-09
2025-04-09
5
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