Thanks! I have not been able to fix it, yet, but I can easily reproduce the problem using these directions.
At Tue, 19 May 2009 17:08:24 -0400, Dave Herman wrote: > 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
