I crashed 10 times
seems to be same reason / not as OP - but the following:
ONE Master Border per site
All pages are copy of Home Page
I make a layout region
then add a text box
then go into site view and made 7 copies
(this so all pages are exact)
then on home page
I filled in the text box with TONS of text
and many links
it was copy/paste from word 2007
the crash happened EVERY time I click anywhere in the text box and scroll with my mouse wheel !
so . . . now = I just search for a word (Ctrl f) to nav the page to make edits
windows vista 64
6gb ram
every recovery has been ok
but still = PITA
hope this helps with the debug !