kernel debugging and ULE
julian at freebsd.org
Wed Feb 8 10:28:22 UTC 2012
On 2/7/12 1:50 AM, Andriy Gapon wrote:
> on 06/02/2012 07:52 Julian Elischer said the following:
>> so if I'm sitting still in the debugger for too long, a hardclock
>> event happens that goes into ULE, which then hits the following KASSERT.
>> KASSERT(pri>= PRI_MIN_BATCH&& pri<= PRI_MAX_BATCH,
>> ("sched_priority: invalid priority %d: nice %d, "
>> "ticks %d ftick %d ltick %d tick pri %d",
>> pri, td->td_proc->p_nice, td->td_sched->ts_ticks,
>> td->td_sched->ts_ftick, td->td_sched->ts_ltick,
>> The reason seems to be that I've been sitting still for too long and things have
>> become pear shaped.
>> how is it that being in the debugger doesn't stop hardclock events?
>> is there something I can do to make them not happen..
>> It means I have to ge tmy debugging done in less than about 60 seconds.
>> suggesions welcome.
> Does this really happen when you just sit in the debugger?
> Or does it happen when you let the kernel run? Like stepping through the code,
good point.. I was doing some single stepping..
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