I've been working for a while to try to figure out a problem I'm having

I did a buildworld Sunday, and started to get kernel panics on boot when
it probed fxp.  So I removed fxp from my kernel and loaded it as a
module (via loader.conf.local).  It paniced.  Then I unloaded the
if_fxp.ko on startup, and it booted.  But if I load the fxp module now,
after a full boot, everything is great.  Rebooting with fxp in the
kernel or loading the module on boot will cause a panic *every* time.

Thinking it might be build problem, I redid the build/install/kernel
again on Monday, and am having the same problems.  The panics only
started on the upgrade from a -current dated sometime in early July.

As you will see from below, this is an SMP machine (dual P200) with 256
Megs RAM.
I am also using NETGRAPH to run PPPoE.

Any ideas?


The panic is:
Fatal trap 12: page fault while in kernel mode
mp_lock=00000005; cpuid = 0; lapic.id=00000000
fault virtual address   = 0x0
fault code      = supervisor read, page not present
instruction pointer = 0x8:0xc034e304
stack pointer       = 0x10:0xc038bea8
frame pointer       = 0x10=0xc038bebc
code segment        = base 0x0, limit 0xfffff, type 0x1b
            = DPC 0, pres 1, def 32 1, gran 1
processor eflag     = interrupt enabled, resume, IOPC=0
current process     = 0 (swapper)
interrupt mask      = net tty bio cam <- SMP:XXX
trap number         = 12
panic: page fault

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