Il 21/05/2012 12:45, Kevin Wolf ha scritto: >> I have not yet found the exact part of this big patch that cause this >> slowdown, but will continue investigating. >> >> I am posting this here in case someone has any idea or if 55ms rings any >> bells.
55ms is the frequency of the PIT while the BIOS is running. I'd guess something is not waking up the iothread properly. > The only thing in this merge that looks as if it could be related is > Paolo's AIO changes between commit adfe92f6 and 9eb0bfca. > > Or if you use IDE, Stefan's patches to make PIO operations asynchronous > could be related. Yeah, both seem just as likely to be the culprit. Please bisect. Paolo
