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

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

The following reply was made to PR kern/41874; it has been noted by GNATS.

From: "Erik E. Fair" <fair%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/41874: in-kernel NFS server hates network interface aliases 
Date: Wed, 12 Aug 2009 11:55:36 -0700

 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