I just got my wife a 15" 256GB 8GB rMBP, it's totally fresh, it does not even have adobe flash installed (as previosuly mentioned). One of the first apps I installed was firefox, my wide was setting next to me and I noticed that for no apparent reason they spun up to what I can assume is full speed, then eventually spun back down (maybe 1-2mins). she was not doing anything at the time other than using FF with 4 tabs open, so I check CPU load, and browser contents, time machine etc, nothing that I could see to cause it to do what it did, after that it did it again about 5 mins later. After that it seemed ok, but it did get me curious because even my 2011 i7 MBP would not do that even under extreme load. I would have to be rendering a video in iMovie to 1080p etc to cause the fans to be slightly audible. My thinking is it may be somthing to do with an algorythm they use for thermal runaway etc, i.e.if the system has some large jumps in temp consistantly it may kick in the fans as a precaution, which I could see occuring when using the macbook from cold then bringing it up to "normal operating" temp, this may also cause inconsistant temps accross the chassie prior to the body comming up to temp etc. i.e. CPU starts at 25, jumps to 40, HDD stays at 25, even though eventually the system may operate with the CPU at 35-40 and the HDD at 35, once the temp is distributed correctly under normal operation. I It may be just freaking out because it perceaves the difference to be to great?
Either way, NOT ideal... and very annoying, ironically, one of the reason I brought it was becuase I got sick of hearing her HP blasting in my ear constantly....
From a production point of view this is fundemental to a laptops design, elementaty stuff, we simply should be not hearing about this. We are IMO buying one of if not the best laptop avaliable on the market. It's simply not good enough.
