Michal Sojka <sojkam1@fel.cvut.cz> writes: > On Mon, 16 Aug 2010, Chong Yidong wrote: >> Thanks, that is a useful backtrace. Could you apply this patch and see >> if it fixes the problem? > > Great! The patch fixes the problem. Now I can view 20 MB email in > notmuch. Hmm, there is a problem, though. If we attempt to avoid a stack overflow in `apply' by using the heap rather than the stack to store large numbers of arguments, those arguments are invisible to the stack-marking gargbage collector. One workaround is to temporarily disable garbage collection if using the heap. Stefan, any ideas?