Bug 844100 - transmission lines are broken with --enable-newpred
transmission lines are broken with --enable-newpred
Status: CLOSED DUPLICATE of bug 1429130
Product: Fedora
Classification: Fedora
Component: ngspice (Show other bugs)
x86_64 Linux
unspecified Severity medium
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Assigned To: Chitlesh GOORAH
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2012-07-28 18:24 EDT by Erik Zeek
Modified: 2017-03-30 05:45 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2013-02-13 07:56:47 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
A simple netlist demonstrating the problem. (599 bytes, application/octet-stream)
2012-07-28 18:24 EDT, Erik Zeek
no flags Details

  None (edit)
Description Erik Zeek 2012-07-28 18:24:15 EDT
Created attachment 600949 [details]
A simple netlist demonstrating the problem.

Description of problem:
Transmission lines show no output on far terminal.

Version-Release number of selected component (if applicable):

How reproducible:
Every time

Steps to Reproduce:
1. ngspice case.cir
Actual results:
197     1.785000e-08    0.000000e+00    0.000000e+00
198     1.795000e-08    0.000000e+00    0.000000e+00
199     1.805000e-08    0.000000e+00    0.000000e+00
200     1.815000e-08    0.000000e+00    0.000000e+00
201     1.825000e-08    0.000000e+00    0.000000e+00
202     1.835000e-08    0.000000e+00    0.000000e+00
203     1.845000e-08    0.000000e+00    0.000000e+00
204     1.855000e-08    0.000000e+00    0.000000e+00
205     1.865000e-08    0.000000e+00    0.000000e+00
206     1.875000e-08    0.000000e+00    0.000000e+00
207     1.885000e-08    0.000000e+00    0.000000e+00
208     1.895000e-08    0.000000e+00    0.000000e+00
209     1.905000e-08    0.000000e+00    0.000000e+00
210     1.915000e-08    0.000000e+00    0.000000e+00
211     1.925000e-08    0.000000e+00    0.000000e+00
212     1.935000e-08    0.000000e+00    0.000000e+00
213     1.945000e-08    0.000000e+00    0.000000e+00
214     1.955000e-08    0.000000e+00    0.000000e+00
215     1.965000e-08    0.000000e+00    0.000000e+00
216     1.975000e-08    0.000000e+00    0.000000e+00
217     1.985000e-08    0.000000e+00    0.000000e+00
218     1.995000e-08    0.000000e+00    0.000000e+00
219     2.000000e-08    0.000000e+00    0.000000e+00
ngspice-23 done

Expected results:
197     1.785000e-08    0.000000e+00    4.495961e-04
198     1.795000e-08    0.000000e+00    4.495961e-04
199     1.805000e-08    0.000000e+00    4.271163e-04
200     1.815000e-08    0.000000e+00    3.821567e-04
201     1.825000e-08    0.000000e+00    3.371971e-04
202     1.835000e-08    0.000000e+00    2.922374e-04
203     1.845000e-08    0.000000e+00    2.472778e-04
204     1.855000e-08    0.000000e+00    2.023182e-04
205     1.865000e-08    0.000000e+00    1.573586e-04
206     1.875000e-08    0.000000e+00    1.123990e-04
207     1.885000e-08    0.000000e+00    6.743941e-05
208     1.895000e-08    -1.75010e-19    2.247980e-05
209     1.905000e-08    -1.32234e-06    2.417332e-18
210     1.915000e-08    -3.96702e-06    -5.29953e-18
211     1.925000e-08    -6.61171e-06    -8.36743e-31
212     1.935000e-08    -9.25639e-06    2.691729e-31
213     1.945000e-08    -1.19011e-05    -3.78513e-44
214     1.955000e-08    -1.45458e-05    2.946809e-58
215     1.965000e-08    -1.71904e-05    0.000000e+00
216     1.975000e-08    -1.98351e-05    0.000000e+00
217     1.985000e-08    -2.24798e-05    0.000000e+00
218     1.995000e-08    -2.51245e-05    0.000000e+00
219     2.000000e-08    -2.59509e-05    0.000000e+00
ngspice-23 done

Additional info:
Removing "--enable-newpred" from the configure lines allows ngspice to properly handle tranmission lines.

Reported upstream:
Comment 1 Fedora End Of Life 2013-01-16 07:37:08 EST
This message is a reminder that Fedora 16 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 16. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
'version' of '16'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version' 
to a later Fedora version prior to Fedora 16's end of life.

Bug Reporter: Thank you for reporting this issue and we are sorry that 
we may not be able to fix it before Fedora 16 is end of life. If you 
would still like to see this bug fixed and are able to reproduce it 
against a later version of Fedora, you are encouraged to click on 
"Clone This Bug" and open it against that version of Fedora.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events. Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.

The process we are following is described here: 
Comment 2 Fedora End Of Life 2013-02-13 07:56:50 EST
Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
Fedora please feel free to reopen this bug against that version.

Thank you for reporting this bug and we are sorry it could not be fixed.
Comment 3 Mamoru TASAKA 2017-03-30 05:45:08 EDT
After looking at actually what --enable-newpred does (in source code), it seems to be doing nothing but something harmful, so I decided to disable this now.

*** This bug has been marked as a duplicate of bug 1429130 ***

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