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Date:      Wed, 3 Apr 2013 15:40:59 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-ia64@freebsd.org
Cc:        Jerome Ibanes <jibanes@gmail.com>
Subject:   Re: panic: mutex sched lock 0 not owned at /usr/src/sys/kern/sched_ule.c:2341
Message-ID:  <201304031540.59183.jhb@freebsd.org>
In-Reply-To: <CAB%2B41mHKC-n_c=iGwfmH%2B2YsJGCbejarvcTYzos6fcc==zO-3g@mail.gmail.com>
References:  <CAB%2B41mFJh0kBNJYBwPGedSe7Gy9PhjGDHcNARSV78tBj2zRVUQ@mail.gmail.com> <CAB%2B41mEJ%2BhfEM7sfW=cTbGVYAq1r%2B5w3wO2K_p2Lh261a7tJAw@mail.gmail.com> <CAB%2B41mHKC-n_c=iGwfmH%2B2YsJGCbejarvcTYzos6fcc==zO-3g@mail.gmail.com>

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On Tuesday, March 26, 2013 4:18:24 pm Jerome Ibanes wrote:
> John, Marcel, @List,
> 
> > On most platforms the APs don't enable interrupts until their first context
> > switch into their idle thread completes.  It seems they are enabled by
> > accident here?
> 
> Is it possible to disable this when booting from the iso?

Originally I said no, but you can try disabling SMP altogether by setting 
kern.smp.disabled=1' from the loader prompt.

-- 
John Baldwin



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