This should be fixed, now.
At Tue, 19 May 2009 16:06:40 -0600, Matthew Flatt wrote: > 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 _________________________________________________ For list-related administrative tasks: http://list.cs.brown.edu/mailman/listinfo/plt-dev
