Am Saturday 13 June 2009 07:46:34 schrieb Jason Lynch: > I'm having a strange problem on my Q6600 that cropped up starting with > the 2.6.29 series of the kernel, and is still present in 2.6.30. > > Essentially, at all times, I have four nice 19 processes running, which > for the sake of this post, we'll call "dnetc". All four cores are > utilized. At this point, if I start another CPU-bound process that isn't > niced, it begins to take up an entire core. This is expected. What isn't > expected, however, is that another core begins idling inexplicably. As a > result, despite 5 processes currently available to run, only 3 are > actually running at any given time (the non-niced process, and two > instances of dnetc). How do you know how many processes are running? What does 'top' say about CPU usage and load? Maybe dnetc has two threads, which can each occupy a core, so you have still 4 threads that are running, in 3 processes. You still should get a load of 5 or higher. You don't have a lot of IO load, do you?
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