On Wed, 2012-01-25 at 18:22 -0600, Sankara Muthukrishnan wrote: > I wonder why my test worked for priority 1 alone before (without this > fix) and I did not see any other threads using RT scheduler in the > system with priority 1 or 2. It worked at priority 1 because ksoftirqd was also at priority 1. The user task can't preempt ksoftirqd, ksoftirqd does it's thing and rides off into the sunset before the user task arrives at the bad idea spot. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html