I had experienced several "stalls/hangs" whilst performing Andersen-Forbes Genre searches. In this log it occurs with lemma:ברית:1 WITHIN <AndersenForbesGenre = div-instr>, <AndersenForbesGenre = div-prd/prm>, <AndersenForbesGenre = div-oth>, <AndersenForbesGenre = ntv>, <AndersenForbesGenre = req>, <AndersenForbesGenre = oth> and recovered after roughly 1 minute.
8233.Logos_stall.zip
But it also occured with fewer terms e.g. lemma:ברית:1 WITHIN <AndersenForbesGenre = ntv> and went much longer with CPU at 27%. The logs were similar, but ending at the point I marked ===> stalled before killing Logos.