Afaics cpu bindings could allow a thread to run with an "unlimited" timeslice. cpu0: one thread running with 'nice==19'. NICE_TO_TICKS==1. cpu1: lots of other threads with 'nice==0' (NICE_TO_TICKS==6) cpu0 will enter schedule() every tick. can_schedule() returns '0' for all threads bound to cpu1, thus 'recalculate' will be called every tick - that's faster than the threads on cpu1 can use up their slice. The currently running thread will run forever. Is that problem fixed in the patches that allow user space to write cpus_allowed? -- Manfred - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/