uvm_fault(0xffffffff83504770, 0xffff800015b44cd8, 0, 2) -> d
kernel: page fault trap, code=2
Stopped at      memset+0x52:    repe stosq      %es:(%rdi)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*502420  11435     73   0x1100010          0    1K syslogd
 110243  22428      0     0x14000 0x40000200    0  softclock
memset() at memset+0x52
ffs_write(ffff80002a067fd0) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401
VOP_WRITE(fffffd806e292638,ffff80002a0681f0,3,fffffd807f7d3958) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
vn_write(fffffd806f8a41c8,ffff80002a0681f0,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408
dofilewritev(ffff8000ffffd960,e,ffff80002a0681f0,0,ffff80002a0682b0) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_writev(ffff8000ffffd960,ffff80002a068360,ffff80002a0682b0) at sys_writev+0xd8 sys/kern/sys_generic.c:327
syscall(ffff80002a068360) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a068360) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e72ced62470, count: 7
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