sudden core problem? bootloader problem?

[protofuse]

hello,

by investigating my rgb led driver (http://www.midibox.org/forum/index.php/topic,14109.msg121450.html#new) I had a strange problem:

when I restart the core, leds part is ok (except my code problem... but I mean, some leds are as they must be) but  my "pretty" LCD gives me a strange message:

ME5
>505$$ o7$$

and it seems I cannot upload anything :-(

does it happen in special conditions ? may I do a mistake?

is it a known behaviour?

[protofuse]

now it is better (?)

MIOS V1.9f
(C) 2007 T.Klose

but core seems stuck.

I read about checking voltage, gnd etc. I did it. all is ok.

I read about core stuck.. it is impossible as I read.

I tried to "force" upload by restarting it and sending my .hex without waiting checksum confirmation... all the same.

it is stuck in this state.

strange.

a long time ago, I fixed all PSU problem.

it is very stable and reliable.

if someone gets an idea for me to test/try etc.

If I find a trick, I post here :)

[protofuse]

all is ok.

when it happens:

try to restart the core, upload a new code

etc etc

one time, it will happen !