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Date: Mon, 06 Sep 2004 18:30:33 -0700
From: Julian Elischer <julian@elischer.org>
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To: Jun Kuriyama <kuriyama@imgsrc.co.jp>
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cc: Current <freebsd-current@freebsd.org>
Subject: Re: panic: sched_add: kse already in run queue
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Jun Kuriyama wrote:
> At Mon, 06 Sep 2004 10:03:55 -0700,
> Julian Elischer wrote:
> 
>>>I cannot break to the debugger so cannot get trace of this.
>>
>>which scheduler?
>>preemption on or off?
> 
> 
> I'm still using SCHED_ULE.  I'm not using any PREEMPTION related
> options in my kernel config (I don't know which is default now).
> 

what date is the kernel sources?
did your problem start on a particular date?
I remember hearing about this error message before the sched patch was added a 
few days ago..