panic: pmap_invalidate_page: interrupts disabled

[Willem Jan Withagen]

When running make -j 32 buildworld....
Load was around 25

panic: pmap_invalidate_page: interrupts disabled
cpuid = 1;
KDB: stack backtrace:
kdb_backtrace() at kdb_backtrace+0x34
panic() at panic+0x1d2
pmap_invalidate_page() at pmap_invalidate_page+0x33
pmap_enter() at pmap_enter+0x39d
vm_fault() at vm_fault+0x1130
trap_pfault() at trap_pfault+0x100
trap() at trap+0x1b5
alltraps_with_regs_pushed() at alltraps_with_regs_pushed+0x5
KDB: enter: panic
[thread 100355]

Dumping takes a few minutes....

--WjW