login: panic: hashdestroy: hash not empty
cpuid = 0
Trace beginning at frame 0xfffff80118523990
hashdestroy() at hashdestroy+0x3a 0xffffffff8066555a 
hashdestroy() at hashdestroy+0x3a 0xffffffff8066555a 
ng_make_node_common() at ng_make_node_common+0x21f 0xffffffff82600c9f 
ng_make_node() at ng_make_node+0x3b 0xffffffff82600d4b 
ng_apply_item() at ng_apply_item+0x666 0xffffffff82601fb6 
ngthread() at ngthread+0x18 0xffffffff82603488 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>