LOR - vnode interlock

[Wilkinson, Alex]

FreeBSD 6.0-CURRENT #3: Fri Apr  1 08:10:42 CST 2005

   acquiring duplicate lock of same type: "vnode interlock"
    1st vnode interlock @ /usr/src/sys/kern/vfs_vnops.c:800
    2nd vnode interlock @ /usr/src/sys/modules/nullfs/../../fs/nullfs/null_vnops.c:533
   KDB: stack backtrace: witness_checkorder(c2e663b8,9,c2e6c5a1,215,c09ccdcc) at witness_checkorder+0x5ed
   _mtx_lock_flags(c2e663b8,0,c2e6c5a1,215,c2bf4cf0) at _mtx_lock_flags+0x54
   null_lock(e97d8b14,1002,c2e61e04) at null_lock+0x67
   VOP_LOCK_APV(c2e6d820,e97d8b14,c08c3443,320,c2e61e04) at VOP_LOCK_APV+0x69
   vn_lock(c2e61e04,1002,c2bf4cf0,c2e6d720,e97d8cbc) at vn_lock+0x5a
   nullfs_root(c2d90000,2,e97d8ba0,c2bf4cf0,0) at nullfs_root+0x32
   vfs_donmount(c2de8780,6,e97d8cd0,c2de8780,0) at vfs_donmount+0xd6d
   nmount(c2bf4cf0,e97d8d14,c08dcb40,3ad,3) at nmount+0x6f
   syscall(2f,2f,2f,bfbfe64a,bfbfeeb0) at syscall+0x13b
   Xint0x80_syscall() at Xint0x80_syscall+0x1f
   --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280b7f6b, esp = 0xbfbfe5ec, ebp = 0xbfbfee84 ---

X will not exec. Just a blank screen. Can ssh(1) into the box however.

 - aW