Okay, I got it. Here's how I can reproduce it quickly and reliably:
Open collects/mzlib/thread.ss in a new window. Scroll down so the lambda
expression on line 63 is towards the top of the window, and position the
keyboard cursor at 63:8, i.e. the outside of the lambda expression, so
that a very large portion of the window is highlighted gray. Maximize
the window.
Now open a new window. Open collects/mzlib/private/structure-helper.ss.
Leave the keyboard cursor at the initial position, so the whole
definitions window is selected and highlighted gray. Maximize the window.
Now alt-tab back and forth quickly between the two windows. After four
or five switches, DrScheme reliably freezes.
Dave
Dave Herman wrote:
Ooh, and it just happened again-- I wonder if I'm getting closer to a
method for reproducing. Stay tuned...
Dave
Dave Herman wrote:
I'm afraid it just happened again. I've had DrScheme open for probably
5 or 6 hours, with two windows, several tabs each. I was switching
from one window to the other, and it needed to completely repaint--
it's just a gray background-- but it froze. Processor idle, no disk
thrashing. Windows reports the DrScheme image is taking about 180M
(I've got the DrScheme memory limit set at 256M).
Dave
Dave Herman wrote:
I have not been able to recreate the behavior, but I have a guess at
the problem. Can you try the latest pre-release build (as of Tuesday,
May 19 2009, 09:10 EDT)?
Downloading now. I should be spending a few hours coding today so
I'll let you know if I can reproduce it.
Dave
_________________________________________________
For list-related administrative tasks:
http://list.cs.brown.edu/mailman/listinfo/plt-dev
_________________________________________________
For list-related administrative tasks:
http://list.cs.brown.edu/mailman/listinfo/plt-dev
_________________________________________________
For list-related administrative tasks:
http://list.cs.brown.edu/mailman/listinfo/plt-dev
_________________________________________________
For list-related administrative tasks:
http://list.cs.brown.edu/mailman/listinfo/plt-dev
