On 10/10/19(Thu) 12:29, Stefan Sperling wrote:
> [...] 
> Where you write "--> STALL" I just see "loading..." on the screen
> very very briefly.

That's what I mean.   "Very briefly" depends on your expectation and
your machine.  My point is, when that happens, whatever we call it, it
happens because no commit were prefetched :)