Strange behavior in 1.6.2, upload stucks

[fhpa]

/*
The following nonsense program is the rest of a big program
which i suddenly could not upload anymore to a Mega 2560.

So i broke it down to the following rest lines. These
still i could not upload to a Mega 2560

But if i out-comment the line 19 (String tosend) it will be possible to upload

Also if i remove one of the exclamation marks in line 28 (Serial.println("!!!");) i can
upload it to the board

I did not try it with another kind of Arduino board.

I am using IDE 1.6.2, german version - after installing IDE 1.6.3 its still the same issue

*/

String tosend;

void setup(){
}

void loop(){
}

void requestEvent(){
Serial.println("!!!");
}

[Lauszus]

This has been fixed already. Please see: #1183. Please try to update the bootloader on your Mega 2560.

[PaulStoffregen]

Did you buy a cheap Chinese clone, or a genuine Arduino Mega?

[fhpa]

Hi Paul.

thank you for answering!

I tried it with bot original and clone. It was the same behavior.

I tried it on either IDE 1.6.2 and 1.6.3 - it was always the same.

Later i will try to update the bootloader...

best regards
franz

Am 04.04.2015 12:47, schrieb Paul Stoffregen:

Did you buy a cheap Chinese clone, or a genuine Arduino Mega?

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#2905 (comment).

[fhpa]

Hi Kristian,

thank you for answering!

I will try to update the bootloaders. They are on date of last year...

best regards
franz

Am 04.04.2015 12:38, schrieb Kristian Sloth Lauszus:

This has been fixed already. Please see: #1183
#1183. Please try to update
the bootloader on your Mega 2560.

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#2905 (comment).

[ffissore]

Closing for lack of feedback