panic: APIC: Previous IPI is stuck

[Brian Fundakowski Feldman]

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 at FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\