Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2

From: Ingo Molnar
Date: Mon Nov 22 2004 - 16:16:52 EST



* Mark_H_Johnson@xxxxxxxxxxxx <Mark_H_Johnson@xxxxxxxxxxxx> wrote:

> - echo 0 > /proc/sys/kernel/preempt_wakeup_timing [entered, but
> display was frozen at this point and did not see newline nor any
> further output]

managed to reproduce this on an SMP box but not on an UP box, so i think
this is SMP related. It definitely happens almost immediately after
preempt_wakeup_timing is reset - or after preempt_max_timing is reset.
(Perhaps a dump_stack() from the wrong place, or something like that.)

Ingo
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