From: Ingo Molnar the patch below fixes George's setiathome problems (as expected). It essentially turns off Linus' improvement, but i dont think it can be fixed sanely. the problem with setiathome is that it displays something every now and then - so it gets a backboost from X, and hovers at a relatively high priority. kernel/sched.c | 13 +------------ 1 files changed, 1 insertion(+), 12 deletions(-) diff -puN kernel/sched.c~sched-interactivity-backboost-revert kernel/sched.c --- 25/kernel/sched.c~sched-interactivity-backboost-revert 2003-03-28 22:30:08.000000000 -0800 +++ 25-akpm/kernel/sched.c 2003-03-28 22:30:08.000000000 -0800 @@ -379,19 +379,8 @@ static inline int activate_task(task_t * * boosting tasks that are related to maximum-interactive * tasks. */ - if (sleep_avg > MAX_SLEEP_AVG) { - if (!in_interrupt()) { - sleep_avg += current->sleep_avg - MAX_SLEEP_AVG; - if (sleep_avg > MAX_SLEEP_AVG) - sleep_avg = MAX_SLEEP_AVG; - - if (current->sleep_avg != sleep_avg) { - current->sleep_avg = sleep_avg; - requeue_waker = 1; - } - } + if (sleep_avg > MAX_SLEEP_AVG) sleep_avg = MAX_SLEEP_AVG; - } if (p->sleep_avg != sleep_avg) { p->sleep_avg = sleep_avg; p->prio = effective_prio(p); _