On Sun, Aug 30, 2015 at 8:56 PM, Pip Cet wrote: > - interrupt and set a breakpoint with "b Fmake_sequence if > !input_blocked_p()". > Fmake_list, sorry. I should also make it clear that I've tested this with block_input/unblock_input where you suggested it (thus the !input_blocked_p() in order not to catch that case). Please let me know if you can't reproduce it or want me to send a gdb log or anything else. Thanks again, Pip