Quoting Jukka Marin,

> vm_fault(0xf88aa600, 0, 1, 0) -> 1
> fatal page fault in supervisor mode
> trap type 6 code 0 eip f81320e3 cs 8 eflags 10286 cr2 14 cpl 0
> panic: trap
> syncing disks... 44 43 27 11 4 done

> says dmesg...

Btw, such a message without any context or just some db_* routines
when using DDB indicates a failure in an interrupt context, usually.

- Frank