Probably something crashed but still has the serial port open,
it may be a zombie process or the kernel itself. First look through
your process list for possible culprits and then try a reboot
to clear things up.
MS
Thanh Phuong Nguyen wrote:
Hi all,
I have the error like this: My program can be
installed on telosb mote. I also use PrintfClient to
monitor the printed out message from my program. My
program can run well for a while. But then the serial
forwarder suddenly corrupted with the ERR_MSG(1):
=====
# An unexpected error has been detected by Java
Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at
pc=0x1001cc4a, pid=1816, tid=3544
#
# Java VM: Java HotSpot(TM) Client VM (1.6.0_03-b05
mixed mode, sharing)
# Problematic frame:
# C [toscomm.dll+0x1cc4a]
=====
when I started the Serial forwarder and tried to run
the application again, I got ERR_MSG(2):
=====
Could not open com6: TOSComm JNI library runtime
error: Error 5.
Access is denied.
in NativeSerialPort.CreateFile
[EMAIL PROTECTED]:115200 died - restarting
Shutting down all client connections
Closing source
Closing socket
=====
I could not install my program to the mote again
either (until i plug out then plug in the mote usb
again), another ERR_MSG(3) raised:
=====
could not open port: (5, 'CreateFile', 'Access is
denied.') make: *** [program] Error 1
=====
I search on the internet and found that the error
related to ERR_MSG(3) was already posted in our forum.
That is because of port problem.
=====
http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2006-June/017298.html
=====
But I dont understand how the port can be used when I
already used it.
So what prob with the serial forwarder? I still dont
understand why I got this msg. Is there any idea?
Thank you very much in advance,
Phuong.
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--
Platform: WinXP/Cygwin
TinyOS version: 1.x, Boomerang
Programmer: MIB510
Device(s): Mica2, MicaZ, Tmote
Sensor board: homebrew
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