* Michal Piotrowski <[EMAIL PROTECTED]> wrote:

> Bad news - I hit a bug in 2.6.22-rc2-hrt3. Bug symptoms:
> - X hangs (keyboard, mouse, sound etc.)
> - only Magic SysRq works

please try the patch below! I think we have nailed this bug.

        Ingo

Index: linux/kernel/sched.c
===================================================================
--- linux.orig/kernel/sched.c
+++ linux/kernel/sched.c
@@ -4212,9 +4212,7 @@ int __sched cond_resched_softirq(void)
        BUG_ON(!in_softirq());
 
        if (need_resched() && system_state == SYSTEM_RUNNING) {
-               raw_local_irq_disable();
-               _local_bh_enable();
-               raw_local_irq_enable();
+               local_bh_enable();
                __cond_resched();
                local_bh_disable();
                return 1;
-
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