Answering my own question - I tried the Process browser and tried suspending a few processes and then found a debug window that when closed fixed the problem.
Tim > On 7 Sep 2017, at 19:46, Tim Mackinnon <tim@testit.works> wrote: > > Hi there - I’ve been running in a 6.1 64bit image for a few days - doing a > few experiments at lunch times, debugging things etc. I have had a few > infinite loops that I’ve had to Cmd-. Out of and clean up lots of windows > (whoever came up with the close all windows to right is a star!). > > Anyway, I just noticed that now when I drag windows around in the world - > they leave lots of window trails around. Redrawing the screen cleans it up - > but I’m wondering what causes this? > > I tried running the the TimeProfiler and 91% of the time when dragging a > window around is in BlockClosure>>newProcess but this doesn’t seem out of > what with another image that doesn’t exhibit this behaviour? > > Is there something that I should do to clean up? I wondered if I might find > some stuck process in the background that was gobbling cpu - but I don’t > really see that (but is there an easy way to check?). > > Tim
