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Date:      Sat, 17 Jul 2004 14:42:40 -0400
From:      Brian Fundakowski Feldman <green@freebsd.org>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        "current@freebsd.org" <current@freebsd.org>
Subject:   Re: panic: APIC: Previous IPI is stuck
Message-ID:  <20040717184240.GT1626@green.homeunix.org>
In-Reply-To: <20040717181026.GA63963@xor.obsecurity.org>
References:  <20040717103509.N24726@alpha.siliconlandmark.com> <20040717180605.E58695-100000@electra.nolink.net> <20040717181026.GA63963@xor.obsecurity.org>

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On Sat, Jul 17, 2004 at 11:10:26AM -0700, Kris Kennaway wrote:
> On Sat, Jul 17, 2004 at 06:10:45PM +0200, Lars Erik Gullerud wrote:
> > On Sat, 17 Jul 2004, Andre Guibert de Bruet wrote:
> > 
> > > pmap_rltacziynftirx(:a 9sfp4u4nc 8f4o,r0 ,56040f0b0f0c0108
> > > ,a9f44c80,8) at 0x606f31c5
> > [snip]
> > 
> > > I am a little worried by the line that starts with pmap_rltac. It appears
> > > to be the output of two interleaved messages, which I have yet to make
> > > sense of. At this point the machine is deadlocked and nothing short of a
> > > reset will get it to budge.
> > 
> > FYI, the two interleaved lines actually seem to be:
> > 
> > rtcintr(a9f44c84,0,64fbfc18,a9f44c80,8) at 0x606f31c5
> > pmap_lazyfix: spun for 50000000
> > 
> > I seem to remember Kris Kennaway also having a couple of panics where
> > pmap_lazyfix errors got interleaved with the output.
> 
> Yeah, I've had to disable SMP because this panic happens too often.

Does it only happen with a constant $NCPU+ load average?  I have never
seen it here.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\



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