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From: "Nikolas " <ivancens@ucmail.uc.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: usb-serial error with fclose Mac OS X
Date: Thu, 18 Feb 2010 19:31:21 +0000 (UTC)
Organization: University of Cincinnati
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Hi,
I have the same problem.  I have a USB-> serial device using the driver from : 
http://osx-pl2303.sourceforge.net/
and have the same error--- I can connect, read and write, but not close a connection. I am running Matlab 2009a on OSX 10.6.2 
i get this error : segmentation violation

Stack Trace:
  [0] librxtxSerial.jnilib:Java_gnu_io_RXTXPort_interruptEventLoop~(0x18807910, 0xb09030c0, 0x250d5210, 9) + 137 bytes
  [1] 0x1900b839(0, 0x19009a09, 0x1bc20128, 0xb09030c4)
  [2] 0x19003db1(0, 0x1bc20128, 0xb09030f4, 0x25092466 "¶X")
  [3] 0x19003db1(0, 0x1bc654f0, 0xb0903124, 0x2502a787 "¶®")
  [4] 0x19003db1(0, 0x1bc654f0, 0x175fb4ee, 8097)


Thanks for the help