46:login: panic: lockmgr: LK_RELEASE: no lock held
47-cpuid = 3
48-Trace beginning at frame 0xfffff8011839b260
49-lockmgr_release() at lockmgr_release+0x11a 0xffffffff806479aa 
50-lockmgr_release() at lockmgr_release+0x11a 0xffffffff806479aa 
51-vput() at vput+0x11 0xffffffff806f77f1 
52-nfsrv_lookup() at nfsrv_lookup+0x35b 0xffffffff807f7d0b 
53-sys_nfssvc() at sys_nfssvc+0x40f 0xffffffff80807cff 
54-syscall2() at syscall2+0x11e 0xffffffff80bd6a0e 
55-Debugger("panic")
56-
57-CPU3 stopping CPUs: 0x00000037
58- stopped
59-Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
60-db>