Re: kern/41874: in-kernel NFS server hates network interface aliases

["Erik E. Fair" <fair%netbsd.org@localhost>]

112 # nfsd -r -t -u
113 # Aug 10 16:46:07 Reader / writer lock error: rw_vector_enter: locking 
against myself

lock address : 0x000000000ead0fb8
current cpu  :                  0
current lwp  : 0x000000000ead4860
owner/count  : 0x000000000ead4860 flags    : 0x0000000000000004

panic: lock error
Stopped in pid 186.2 (nfsd) at  netbsd:cpu_Debugger+0x4:        nop
db> trace
lockdebug_abort(ead0fb8, 1812320, 1385f58, 147b240, d207f40, 18a0400) at 
netbsd: lockdebug_abort+0x24
rw_vector_enter(ead0fb8, 1, 0, 1, 0, eb8d018) at netbsd:rw_vector_enter+0x188
vlockmgr(ead0fb8, 2, ead4860, ead4864, 0, 1896110) at netbsd:vlockmgr+0x13c
VOP_LOCK(ead0eb0, 2, 2, eb8d270, d1e7da4, 0) at netbsd:VOP_LOCK+0x58
vn_lock(ead0eb0, 20002, eb8d3b0, 4, 8000, d1e7f30) at netbsd:vn_lock+0xf0
ufs_lookup(0, 0, c, 7fff, 1, 2) at netbsd:ufs_lookup+0x9d0
VOP_LOOKUP(ead0eb0, eb8d9a0, eb8d9c8, 1485600, eb8d558, 0) at 
netbsd:VOP_LOOKUP+0xa0
lookup(eb8d978, 0, eb8d568, 20, d2282e0, 0) at netbsd:lookup+0x2b0
nfs_namei(0, eb8da00, 2, e96a800, 4105b70, eb8da48) at netbsd:nfs_namei+0x234
nfsrv_lookup(2, e96a800, ead4860, eb8db58, eb8da78, 4105b70) at 
netbsd:nfsrv_lookup+0x270
nfssvc_nfsd(0, 40dffbe0, ead4860, eb8a000, 0, 1896110) at 
netbsd:nfssvc_nfsd+0x1a0
sys_nfssvc(0, eb8ddc0, eb8de00, 1, 2029c0, 0) at netbsd:sys_nfssvc+0x27c
syscall_plain(eb8ded0, 2, 4073fe88, eb8ddc0, 1, 4073fe88) at 
netbsd:syscall_plain+0x134
?(4, 40dffbe0, fffffffffffffff8, 0, 40dffbe0, 0) at 0x1008c98
db> show regs
No such command: regs
db> show reg
tstate      0x1d000603
pc          0x1302424   cpu_Debugger+0x4
npc         0x1302428   cpu_Debugger+0x8
ipl         0
y           0
g0          0
g1          0x1
g2          0x92
g3          0xe0006000
g4          0x1fe020003fd
g5          0x1fe020003f8
g6          0
g7          0x101350
o0          0x14af5b0   copyright+0x5e5c0
o1          0xeb8cef8
o2          0
o3          0
o4          0xeb8cef8
o5          0
o6          0xeb8c5a1
o7          0x1223b28   panic+0x208
l0          0
l1          0x28
l2          0x20e320000020
l3          0
l4          0
l5          0
l6          0
l7          0xdf3ec0000
i0          0x1c1400000
i1          0x1c1418000
i2          0xd20fb2000
i3          0
i4          0
i5          0
i6          0xe3b800000
i7          0x100
f0          0
f2          0
f4          0
f6          0
f8          0
f10         0
f12         0
f14         0
f16         0
f18         0
f20         0
f22         0
f24         0
f26         0
f28         0
f30         0
f32         0
f34         0
f36         0
f38         0
f40         0
f42         0
f44         0
f46         0
f48         0
f50         0
f52         0
f54         0
f56         0
f58         0
f60         0
f62         0
fsr         0
gsr         0
netbsd:cpu_Debugger+0x4:        nop