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| Title: | dec_mls_plus |
|
| Moderator: | SMURF::BAT |
|
| Created: | Mon Nov 29 1993 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 534 |
| Total number of notes: | 2544 |
451.0. "Oracle: NFS panic: free node isn't" by SMURF::BAT (Segui la tua beatitudine) Fri Feb 14 1997 20:08
From: US2RMC::"CWOLF@us.oracle.com" "CWOLF.US.ORACLE.COM" 14-FEB-1997 16:38:41.32
To: smurf::bat, thomson@zk3.dec.com
CC:
Subj: DEC MLS+ crashes while being an NFS server
Barbara,
Our machine croaked, and upon checking the crash dump, it looks like there
might be a problem when the MLS+ is perfoming NFS services. Since we need
to use NFS, and our (your) customers may also need to use NFS, can we get
someone over there to look in this?
Thanks,
-Chris
stopped at [boot:1756 ,0xfffffc0000414ab4] Source not available
(dbx) where
> 0 boot(reason = 0, howto = 0)
["../../../../src/kernel/arch/alpha/machdep.c":1756, 0xfffffc0000414ab4]
1 panic(s = 0xfffffc0000502e88 = "free vnode isn't")
["../../../../src/kernel/bsd/subr_prf.c":632, 0xfffffc00003e03e8]
2 getnewvnode(tag = VT_UFS, vops = 0xfffffc00004e8718, vpp =
0xffffffff9b355370) ["../../../../src/kernel/vfs/vfs_subr.c":749,
0xfffffc00003f5458]
3 iget(xp = 0xffffffff9a9c8448, ino = 110156, ipp = 0xffffffff9b355448,
update = 0) ["../../../../src/kernel/ufs/ufs_inode.c":567, 0xfffffc000025ff48]
4 scandir(vp = 0xffffffff9a9c8390, ndp = 0xffffffff9b3522f8)
["../../../../src/kernel/ufs/ufs_lookup.c":970, 0xfffffc00002637f0]
5 ufs_lookup(vp = 0xffffffff9a9c8390, ndp = 0xffffffff9b3522f8)
["../../../../src/kernel/ufs/ufs_lookup.c":343, 0xfffffc00002628b8]
6 namei(ndp = 0xffffffff9b3522f8)
["../../../../src/kernel/vfs/vfs_lookup.c":500, 0xfffffc00002832a4]
7 rfs_lookup(da = 0xffffffff87b86c00, dr = 0xffffffff87b83c00, nreq =
0xffffffff87992100, xprt = 0xffffffff87992b80, xpd = 0xffffffff9b355988)
["../../../../src/kernel/nfs/nfs_server.c":1820, 0xfffffc00003fd7cc]
8 rfs_dispatch(req = 0xffffffff9b355a98, xprt = 0xffffffff87992b80)
["../../../../src/kernel/nfs/nfs_server.c":6884, 0xfffffc0000404b68]
9 svc_getreq(xprt = 0xffffffff87992b80)
["../../../../src/kernel/rpc/svc.c":406, 0xfffffc000031f674]
10 svc_run(xprt = 0xffffffff87992b80)
["../../../../src/kernel/rpc/svc.c":510, 0xfffffc000031f8c8]
11 nfs_svc(p = 0xffffffff9aa19950, args = 0xffffffff9b355e20, retval =
0xffffffff9b355e10) ["../../../../src/kernel/nfs/nfs_server.c":1147,
0xfffffc00003fc31c]
12 nfssvc(p = 0xffffffff9aa19950, args = 0xffffffff9b355e20, retval =
0xffffffff9b355e10) ["../../../../src/kernel/nfs/nfs_hooks.c":126,
0xfffffc0000292938]
13 syscall(ep = 0xffffffff9b355ef8, code = 158)
["../../../../src/kernel/arch/alpha/syscall_trap.c":732, 0xfffffc0000422c44]
14 _Xsyscall() ["../../../../src/kernel/arch/alpha/locore.s":874,
0xfffffc0000412b20]
+------------------------------------------------------------------------+
| ORACLE Corporation |
| cwolf@us.oracle.com |
| Chris Wolf, Senior Software Engineer Voice +1.415.506.2529 |
| World Wide Government & Education Fax +1.415.506.7408 |
| Products Division |
+------------------------------------------------------------------------+
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% Date: 14 Feb 97 14:44:59 -0500
% From: "CWOLF.US.ORACLE.COM" <CWOLF@us.oracle.com>
% To: smurf::bat, thomson@zk3.dec.com
% Subject: DEC MLS+ crashes while being an NFS server
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| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 451.1 | more from Chris -- mixing V3.1A and T4.0 | SMURF::BAT | Segui la tua beatitudine | Fri Feb 14 1997 22:01 | 41 |
| Date: 14 Feb 97 16:29:18 -0500
From: "CWOLF.US.ORACLE.COM" <CWOLF@us.oracle.com>
To: thomson@zk3.dec.com
Subject: Re: DEC MLS+ crashes while being an NFS server
X-Orcl-Application: In-Reply-To: UNX06.US.ORACLE.COM:thomson@zk3.dec.com's message of 14-Feb-97 17:59
Mime-Version: 1.0
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Barbara,
I found out some more information which may help you to reproduce the
problem. The machine which crashed and was acting as the NFS server,
had the latest patches installed (pl9, plus your tnsmm_socket.o). The
machine acting as the client is a "MLS+ T4.0-1 (Rev. 26MLS)"
machine.
Apparently someone unmounted the underlying disk of the exported filesystem
then remouted it while the client was trying to access those files.
Since NFS is a stateless protocol, this should have only caused a
momentary loss of service to the client.
Just a reminder, it was the server, the 3.1A machine which crashed.
Thanks,
-Chris
+------------------------------------------------------------------------+
| ORACLE Corporation |
| cwolf@us.oracle.com |
| Chris Wolf, Senior Software Engineer Voice +1.415.506.2529 |
| World Wide Government & Education Fax +1.415.506.7408 |
| Products Division |
+------------------------------------------------------------------------+
|