Ok it happened again this morning, attached you can see two text files, the one called "does-not-work.txt" is a tcpdump between the Debian Sid PC (hostname "mars") and the FreeBSD-Server (hostname "erde") where the mount does not work, tried with mount version 2.12r-10. The one called "does-work.txt" is when I downgraded to 2.12r-8 and it worked straight away.

It takes roughly a minute until the "can't read superblock" message appears and the mount fails.

Kind regards, Joerg.


LaMont Jones wrote:
On Wed, Jun 07, 2006 at 10:09:36AM +0200, Joerg Morbitzer wrote:
mars:~ mount -t nfs erde:/opt/sol3s /opt/sol3s
mount: erde:/opt/sol3s: can't read superblock
mars:~

After downgrading back to 2.12r-8 it works again like expected. No syslog
messages concerning this problem on neither the FreeBSD machine nor
my Debian Sid PC.
FreeBSD version of the NFS server is FreeBSD 5.4-RELEAE.

Let me know if you need any further details.

Could you capture the traffic with tcpdump, so that we can see what is
actually being sent back and forth?

thanks,
lamont

--

EMail: [EMAIL PROTECTED]
Chat:  http://www.morbitzer.de/irccgi.html
"As a boy I jumped through Windows. As a man I swim with penguins."
07:22:29.469808 IP mars.sol-3.de.894 > erde.sol-3.de.676: UDP, length 52
07:22:29.470304 IP erde.sol-3.de.676 > mars.sol-3.de.894: UDP, length 28
07:22:29.507779 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: S 
4149334103:4149334103(0) win 5840 <mss 1460,sackOK,timestamp 41721451 
0,nop,wscale 2>
07:22:29.507961 IP erde.sol-3.de.sunrpc > mars.sol-3.de.45740: S 
948323468:948323468(0) ack 4149334104 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8946959 41721451,nop,nop,sackOK>
07:22:29.507990 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: . ack 1 win 1460 
<nop,nop,timestamp 41721451 8946959>
07:22:29.508090 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: P 1:61(60) ack 1 
win 1460 <nop,nop,timestamp 41721451 8946959>
07:22:29.508649 IP erde.sol-3.de.sunrpc > mars.sol-3.de.45740: P 1:33(32) ack 
61 win 33304 <nop,nop,timestamp 8946960 41721451>
07:22:29.508667 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: . ack 33 win 
1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.508729 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: F 61:61(0) ack 
33 win 1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.508790 IP mars.sol-3.de.0 > erde.sol-3.de.nfs: 0 proc-285212672
07:22:29.508832 IP erde.sol-3.de.sunrpc > mars.sol-3.de.45740: . ack 62 win 
33304 <nop,nop,timestamp 8946960 41721451>
07:22:29.508857 IP erde.sol-3.de.sunrpc > mars.sol-3.de.45740: F 33:33(0) ack 
62 win 33304 <nop,nop,timestamp 8946960 41721451>
07:22:29.508877 IP mars.sol-3.de.45740 > erde.sol-3.de.sunrpc: . ack 34 win 
1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.508951 IP erde.sol-3.de.nfs > mars.sol-3.de.0: reply ok 0 
proc-285212672
07:22:29.508963 IP mars.sol-3.de.906 > erde.sol-3.de.2049: . ack 294265517 win 
1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.509035 IP mars.sol-3.de.1894612564 > erde.sol-3.de.nfs: 44 null
07:22:29.509219 IP erde.sol-3.de.nfs > mars.sol-3.de.1894612564: reply ok 28 
null
07:22:29.509232 IP mars.sol-3.de.906 > erde.sol-3.de.2049: . ack 29 win 1460 
<nop,nop,timestamp 41721451 8946960>
07:22:29.509282 IP mars.sol-3.de.906 > erde.sol-3.de.2049: F 44:44(0) ack 29 
win 1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.509332 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: S 
4148495516:4148495516(0) win 5840 <mss 1460,sackOK,timestamp 41721451 
0,nop,wscale 2>
07:22:29.509446 IP erde.sol-3.de.2049 > mars.sol-3.de.906: . ack 45 win 32745 
<nop,nop,timestamp 8946960 41721451>
07:22:29.509460 IP erde.sol-3.de.sunrpc > mars.sol-3.de.39102: S 
764768615:764768615(0) ack 4148495517 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8946960 41721451,nop,nop,sackOK>
07:22:29.509493 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: . ack 1 win 1460 
<nop,nop,timestamp 41721451 8946960>
07:22:29.509477 IP erde.sol-3.de.2049 > mars.sol-3.de.906: F 29:29(0) ack 45 
win 32745 <nop,nop,timestamp 8946960 41721451>
07:22:29.509514 IP mars.sol-3.de.906 > erde.sol-3.de.2049: . ack 30 win 1460 
<nop,nop,timestamp 41721451 8946960>
07:22:29.509587 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: P 1:61(60) ack 1 
win 1460 <nop,nop,timestamp 41721451 8946960>
07:22:29.510028 IP erde.sol-3.de.sunrpc > mars.sol-3.de.39102: P 1:33(32) ack 
61 win 33304 <nop,nop,timestamp 8946960 41721451>
07:22:29.510040 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: . ack 33 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.510089 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: F 61:61(0) ack 
33 win 1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.510122 IP mars.sol-3.de.907 > erde.sol-3.de.875: S 
4149496954:4149496954(0) win 5840 <mss 1460,sackOK,timestamp 41721452 
0,nop,wscale 2>
07:22:29.510204 IP erde.sol-3.de.sunrpc > mars.sol-3.de.39102: . ack 62 win 
33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.510224 IP erde.sol-3.de.sunrpc > mars.sol-3.de.39102: F 33:33(0) ack 
62 win 33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.510237 IP mars.sol-3.de.39102 > erde.sol-3.de.sunrpc: . ack 34 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.510322 IP erde.sol-3.de.875 > mars.sol-3.de.907: S 
1231610273:1231610273(0) ack 4149496955 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8946960 41721452,nop,nop,sackOK>
07:22:29.510335 IP mars.sol-3.de.907 > erde.sol-3.de.875: . ack 1 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.510485 IP mars.sol-3.de.907 > erde.sol-3.de.875: P 1:45(44) ack 1 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.511704 IP erde.sol-3.de.875 > mars.sol-3.de.907: P 1:29(28) ack 45 win 
33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.511717 IP mars.sol-3.de.907 > erde.sol-3.de.875: . ack 29 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.511765 IP mars.sol-3.de.907 > erde.sol-3.de.875: F 45:45(0) ack 29 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.511800 IP mars.sol-3.de.908 > erde.sol-3.de.875: S 
4145127624:4145127624(0) win 5840 <mss 1460,sackOK,timestamp 41721452 
0,nop,wscale 2>
07:22:29.511939 IP erde.sol-3.de.875 > mars.sol-3.de.907: . ack 46 win 33304 
<nop,nop,timestamp 8946960 41721452>
07:22:29.511965 IP erde.sol-3.de.875 > mars.sol-3.de.908: S 
1073659283:1073659283(0) ack 4145127625 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8946960 41721452,nop,nop,sackOK>
07:22:29.511976 IP mars.sol-3.de.908 > erde.sol-3.de.875: . ack 1 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.511991 IP erde.sol-3.de.875 > mars.sol-3.de.907: F 29:29(0) ack 46 win 
33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.512003 IP mars.sol-3.de.907 > erde.sol-3.de.875: . ack 30 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.512099 IP mars.sol-3.de.908 > erde.sol-3.de.875: P 1:93(92) ack 1 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.513266 IP erde.sol-3.de.875 > mars.sol-3.de.908: P 1:73(72) ack 93 win 
33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.513279 IP mars.sol-3.de.908 > erde.sol-3.de.875: . ack 73 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.513341 IP mars.sol-3.de.908 > erde.sol-3.de.875: F 93:93(0) ack 73 win 
1460 <nop,nop,timestamp 41721452 8946960>
07:22:29.513453 IP erde.sol-3.de.875 > mars.sol-3.de.908: . ack 94 win 33304 
<nop,nop,timestamp 8946960 41721452>
07:22:29.513475 IP erde.sol-3.de.875 > mars.sol-3.de.908: F 73:73(0) ack 94 win 
33304 <nop,nop,timestamp 8946960 41721452>
07:22:29.513486 IP mars.sol-3.de.908 > erde.sol-3.de.875: . ack 74 win 1460 
<nop,nop,timestamp 41721452 8946960>
07:22:29.513661 IP mars.sol-3.de.0 > erde.sol-3.de.nfs: 0 proc-285212672
07:22:32.509922 IP mars.sol-3.de.0 > erde.sol-3.de.nfs: 0 proc-285212672
07:22:36.258149 IP erde.sol-3.de.netbios-ns > 10.3.0.255.netbios-ns: NBT UDP 
PACKET(137): QUERY; REQUEST; BROADCAST
07:22:38.510299 IP mars.sol-3.de.1094926659 > erde.sol-3.de.nfs: 0 
proc-285212672
07:22:41.617080 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: S 
4150847456:4150847456(0) win 5840 <mss 1460,sackOK,timestamp 41724478 
0,nop,wscale 2>
07:22:41.617243 IP erde.sol-3.de.sunrpc > mars.sol-3.de.60898: S 
3395551187:3395551187(0) ack 4150847457 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8948170 41724478,nop,nop,sackOK>
07:22:41.617278 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: . ack 1 win 1460 
<nop,nop,timestamp 41724478 8948170>
07:22:41.617349 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: P 1:61(60) ack 1 
win 1460 <nop,nop,timestamp 41724478 8948170>
07:22:41.618012 IP erde.sol-3.de.sunrpc > mars.sol-3.de.60898: P 1:33(32) ack 
61 win 33304 <nop,nop,timestamp 8948170 41724478>
07:22:41.618030 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: . ack 33 win 
1460 <nop,nop,timestamp 41724478 8948170>
07:22:41.618088 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: F 61:61(0) ack 
33 win 1460 <nop,nop,timestamp 41724478 8948170>
07:22:41.618125 IP mars.sol-3.de.910 > erde.sol-3.de.804: S 
4153777666:4153777666(0) win 5840 <mss 1460,sackOK,timestamp 41724478 
0,nop,wscale 2>
07:22:41.618241 IP erde.sol-3.de.sunrpc > mars.sol-3.de.60898: . ack 62 win 
33304 <nop,nop,timestamp 8948171 41724478>
07:22:41.618259 IP erde.sol-3.de.804 > mars.sol-3.de.910: S 
858558129:858558129(0) ack 4153777667 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8948171 41724478,nop,nop,sackOK>
07:22:41.618304 IP mars.sol-3.de.910 > erde.sol-3.de.804: . ack 1 win 1460 
<nop,nop,timestamp 41724478 8948171>
07:22:41.618284 IP erde.sol-3.de.sunrpc > mars.sol-3.de.60898: F 33:33(0) ack 
62 win 33304 <nop,nop,timestamp 8948171 41724478>
07:22:41.618333 IP mars.sol-3.de.60898 > erde.sol-3.de.sunrpc: . ack 34 win 
1460 <nop,nop,timestamp 41724478 8948171>
07:22:41.618505 IP mars.sol-3.de.910 > erde.sol-3.de.804: P 1:73(72) ack 1 win 
1460 <nop,nop,timestamp 41724479 8948171>
07:22:41.621651 IP erde.sol-3.de.804 > mars.sol-3.de.910: . 1:1449(1448) ack 73 
win 33304 <nop,nop,timestamp 8948171 41724479>
07:22:41.621681 IP mars.sol-3.de.910 > erde.sol-3.de.804: . ack 1449 win 2184 
<nop,nop,timestamp 41724479 8948171>
07:22:41.621664 IP erde.sol-3.de.804 > mars.sol-3.de.910: P 1449:1557(108) ack 
73 win 33304 <nop,nop,timestamp 8948171 41724479>
07:22:41.621701 IP mars.sol-3.de.910 > erde.sol-3.de.804: . ack 1557 win 2184 
<nop,nop,timestamp 41724479 8948171>
07:22:41.621802 IP mars.sol-3.de.910 > erde.sol-3.de.804: F 73:73(0) ack 1557 
win 2184 <nop,nop,timestamp 41724479 8948171>
07:22:41.621987 IP mars.sol-3.de.911 > erde.sol-3.de.676: UDP, length 76
07:22:41.622048 IP erde.sol-3.de.804 > mars.sol-3.de.910: . ack 74 win 33304 
<nop,nop,timestamp 8948171 41724479>
07:22:41.622267 IP erde.sol-3.de.804 > mars.sol-3.de.910: F 1557:1557(0) ack 74 
win 33304 <nop,nop,timestamp 8948171 41724479>
07:22:41.622280 IP mars.sol-3.de.910 > erde.sol-3.de.804: . ack 1558 win 2184 
<nop,nop,timestamp 41724479 8948171>
07:22:41.622708 IP erde.sol-3.de.676 > mars.sol-3.de.911: UDP, length 52
07:22:49.471015 IP mars.sol-3.de.894 > erde.sol-3.de.676: UDP, length 52
07:22:49.471534 IP erde.sol-3.de.676 > mars.sol-3.de.894: UDP, length 28
07:22:50.511048 IP mars.sol-3.de.0 > erde.sol-3.de.nfs: 0 proc-285212672
07:23:04.771568 arp who-has erde.sol-3.de (Broadcast) tell pippin.sol-3.de
07:23:09.472261 IP mars.sol-3.de.894 > erde.sol-3.de.676: UDP, length 52
07:23:09.472729 IP erde.sol-3.de.676 > mars.sol-3.de.894: UDP, length 28
07:23:14.512553 IP mars.sol-3.de.0 > erde.sol-3.de.nfs: 0 proc-285212672
07:23:20.900963 IP mars.sol-3.de.1017 > erde.sol-3.de.2049: F 
3802603434:3802603434(0) ack 2901887030 win 1996 <nop,nop,timestamp 41734299 
8922097>
07:23:20.901150 IP erde.sol-3.de.2049 > mars.sol-3.de.1017: . ack 1 win 32637 
<nop,nop,timestamp 8952099 41734299>
07:23:20.901171 IP erde.sol-3.de.2049 > mars.sol-3.de.1017: F 1:1(0) ack 1 win 
32637 <nop,nop,timestamp 8952099 41734299>
07:23:20.901227 IP mars.sol-3.de.1017 > erde.sol-3.de.2049: . ack 2 win 1996 
<nop,nop,timestamp 41734299 8952099>
07:23:25.011888 arp who-has erde.sol-3.de (Broadcast) tell bilbo.sol-3.de
07:23:28.328670 IP erde.sol-3.de.netbios-dgm > 10.3.0.255.netbios-dgm: NBT UDP 
PACKET(138)
07:23:29.473509 IP mars.sol-3.de.894 > erde.sol-3.de.676: UDP, length 52
07:23:29.473921 IP erde.sol-3.de.676 > mars.sol-3.de.894: UDP, length 28
07:23:49.474764 IP mars.sol-3.de.894 > erde.sol-3.de.676: UDP, length 52
07:23:49.475214 IP erde.sol-3.de.676 > mars.sol-3.de.894: UDP, length 28

07:24:35.752953 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: S 
4265817770:4265817770(0) win 5840 <mss 1460,sackOK,timestamp 41753010 
0,nop,wscale 2>
07:24:35.753088 IP erde.sol-3.de.sunrpc > mars.sol-3.de.53083: S 
2393857245:2393857245(0) ack 4265817771 win 65535 <mss 1460,nop,wscale 
1,nop,nop,timestamp 8959584 41753010,nop,nop,sackOK>
07:24:35.753118 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: . ack 1 win 1460 
<nop,nop,timestamp 41753010 8959584>
07:24:35.753335 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: P 1:45(44) ack 1 
win 1460 <nop,nop,timestamp 41753010 8959584>
07:24:35.754063 IP erde.sol-3.de.sunrpc > mars.sol-3.de.53083: P 1:533(532) ack 
45 win 33304 <nop,nop,timestamp 8959584 41753010>
07:24:35.754088 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: . ack 533 win 
1728 <nop,nop,timestamp 41753011 8959584>
07:24:35.754166 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: F 45:45(0) ack 
533 win 1728 <nop,nop,timestamp 41753011 8959584>
07:24:35.754276 IP mars.sol-3.de.934 > erde.sol-3.de.845: UDP, length 88
07:24:35.754313 IP erde.sol-3.de.sunrpc > mars.sol-3.de.53083: . ack 46 win 
33304 <nop,nop,timestamp 8959584 41753011>
07:24:35.754338 IP erde.sol-3.de.sunrpc > mars.sol-3.de.53083: F 533:533(0) ack 
46 win 33304 <nop,nop,timestamp 8959584 41753011>
07:24:35.754361 IP mars.sol-3.de.53083 > erde.sol-3.de.sunrpc: . ack 534 win 
1728 <nop,nop,timestamp 41753011 8959584>
07:24:35.755694 IP erde.sol-3.de.845 > mars.sol-3.de.934: UDP, length 68
07:24:35.755773 IP mars.sol-3.de.936 > erde.sol-3.de.sunrpc: UDP, length 56
07:24:35.756152 IP erde.sol-3.de.sunrpc > mars.sol-3.de.936: UDP, length 28
07:24:35.756388 IP mars.sol-3.de.2949952816 > erde.sol-3.de.nfs: 40 null
07:24:35.756579 IP erde.sol-3.de.nfs > mars.sol-3.de.2949952816: reply ok 24 
null
07:24:35.756625 IP mars.sol-3.de.2966730032 > erde.sol-3.de.nfs: 40 null
07:24:35.756820 IP erde.sol-3.de.nfs > mars.sol-3.de.2966730032: reply ok 24 
null
07:24:35.756860 IP mars.sol-3.de.2983507248 > erde.sol-3.de.nfs: 104 fsinfo 
[|nfs]
07:24:35.757118 IP erde.sol-3.de.nfs > mars.sol-3.de.2983507248: reply ok 164 
fsinfo [|nfs]

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