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Date:      Fri, 22 Sep 2000 01:19:10 -0700 (PDT)
From:      John Baldwin <jhb@FreeBSD.ORG>
To:        "Daniel J. O'Connor" <darius@dons.net.au>
Cc:        freebsd-current@FreeBSD.ORG
Subject:   RE: SMPng panic message
Message-ID:  <XFMail.000922011910.jhb@FreeBSD.org>
In-Reply-To: <200009211601.e8LG17P00409@guppy.dons.net.au>

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On 21-Sep-00 Daniel J. O'Connor wrote:
> Hi,
> 
> When I boot an SMP kernel (updated 2 days ago) I get the following panic
> message ->
> 
> panic: cpu_switch: chooseproc returned NULL
> cpuid = 0; lapic_id = 00000000
> 
> db> tr
> Debugger(..)
> panic(..)
> sw0_3(2,c03876f8,0,0,0) at sw0_3
> msleep(c038f958,0,30,c03890dc,64) at msleep+0x235
> random_kthread(c038a37c) at random_kthread+0x79

Matthew Dodd and I are looking at this.  The problem seems to be that the
idleproc variable is getting hosed during mi_startup() and set to NULL
after it is initialized.  *sigh*  I'm not sure yet what is doing the
damage.

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/


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