Serious bug identified in SmartDashboard/NetworkTables -- robot hangs

If all you've seen of an event is the three days of the competition, you've missed 99% of the work that made it happen. - Madison [more]

		Chief Delphi > Technical > Programming > C/C++
Serious bug identified in SmartDashboard/NetworkTables -- robot hangs

Thread Tools

Rate Thread

Display Modes

#16

25-02-2014, 16:31

virtuald

RobotPy Guy

AKA: Dustin Spicuzza

FRC #1418 (), FRC #1973, FRC #4796, FRC #6367 ()

Team Role: Mentor

Join Date: Dec 2008

Rookie Year: 2003

Location: Boston, MA

Posts: 1,050

Re: Serious bug identified in SmartDashboard/NetworkTables -- robot hangs

Quote:

Originally Posted by taichichuan

I'm surprised that it affects UDP traffic through.

The subject of this thread, NetworkTables, does not use UDP. It uses TCP.

Quote:

Originally Posted by taichichuan

Again, this shouldn't be a problem with next year's control system thankfully.

Not true. This particular NetworkTables bug can be duplicated on Linux also -- though it is a lot harder, because the default send buffers are a lot bigger on a PC.

The real ultimate solution is rewriting NetworkTables for C++.

__________________
Maintainer of RobotPy - Python for FRC
Creator of pyfrc (Robot Simulator + utilities for Python) and pynetworktables/pynetworktables2js (NetworkTables for Python & Javascript)

2017 Season: Teams #1973, #4796, #6369
Team #1418 (remote mentor): Newton Quarterfinalists, 2016 Chesapeake District Champion, 2x Innovation in Control award, 2x district event winner
Team #1418: 2015 DC Regional Innovation In Control Award, #2 seed; 2014 VA Industrial Design Award; 2014 Finalists in DC & VA
Team #2423: 2012 & 2013 Boston Regional Innovation in Control Award

Resources: FIRSTWiki (relaunched!) | My Software Stuff

« Previous Thread | Portal | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes	Rate This Thread
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

Forum Jump

All times are GMT -5. The time now is 03:51.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.