PXLab:
The Psychological
Experiments Laboratory

Hans Irtel

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Known Bugs

Here is a list of known bugs. The list has been restarted on July 12, 2005 and probably is not complete.

2 If a very fast sequence of very short audio signals is presented then the program randomly may go into a dead loop. This problem has been tracked down to a Java sound package method [javax.sound.sampled.DataLine.drain()] which sometimes blocks indefinitely. Hopefully one of the next releases will fix this bug.

1 Display objects which have the TRANSPARENT overlay property and have the JustInTime flag set are not shown in full screen exclusive mode (-S4). This is a bug or feature of the page flipping strategy in full screen exclusive mode. The getGraphics() method of the display device Component always returns a Graphics object for the original front buffer, independent of which buffer is currently shown. A workaround is to use standard full screen mode '-S2' instead of '-S4'.