Public bug reported:
If a large amount of data is received as one line, for example from
void setup(){Serial.begin(115200);}
void loop(){Serial.print("aaaaaaaaaaaaaaaaaaaaaa");}
with the serial monitor window open, both the serial monitor and the main IDE
window become unresponsive after a few seconds.
They remain locked up even after stopping the data (by pressing the
Arduino's reset button or unplugging the cable); the only way out I know
is to force-close the IDE (losing any unsaved sketches), then reopen it
and keep the serial monitor window closed until one has uploaded a
different sketch.
This bug does NOT occur if similarly large amounts of data are received with
regular newlines, e.g.
void setup(){Serial.begin(115200);}
void loop(){Serial.print("aaaaaaaaaaaaaaaaaaaaaa\n");}
(Tested with an Arduino Uno)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: arduino 1:1.0+dfsg-9
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri May 25 22:12:17 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: arduino
UpgradeStatus: Upgraded to precise on 2012-05-17 (8 days ago)
** Affects: arduino (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1004718
Title:
serial monitor hangs on long lines
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