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Bug 113608 - nfs can't read superblock
Summary: nfs can't read superblock
Status: RESOLVED NEEDINFO
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: Network Filesystems
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-11-25 23:31 UTC by Balint Dobai-Pataky
Modified: 2005-11-26 04:31 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Balint Dobai-Pataky 2005-11-25 23:31:49 UTC
i had nfs working, now i get - after a loong time mount - can't read superblock
nothing in the server log about it.

Reproducible: Always
Steps to Reproduce:



Expected Results:  
mount nfs

after a 
Wed Nov 23 19:47:48 2005 >>> sys-devel/binutils-2.16.1
Comment 1 SpanKY gentoo-dev 2005-11-26 01:45:04 UTC
no real info

you should check your `dmesg` on both machines, sounds like you have something
misconfigured
Comment 2 Balint Dobai-Pataky 2005-11-26 03:31:20 UTC
yeah, there is  no real info.
on the server i see:  rpc.mountd: authenticated mount request from ...
and on the client i see: can't read superblock
and that's all

so i start portmap with -d on the client, and see some "server: about do a
switch" messages.
and after a  while in the client log:
"portmap: server localhost not responding, timed out
RPC: failed to contact portmap (errno -5)."

portmap is running, and allowed by tcpwrappers.
there is no firewall set on the mechines.
Comment 3 Balint Dobai-Pataky 2005-11-26 04:31:59 UTC
this is the info, you're looking for:
Nov 26 14:32:49 master portmap[9712]: connect from 127.0.0.1 to unset(nlockmgr)
Nov 26 14:32:54 master portmap[9715]: connect from 127.0.0.1 to unset(nlockmgr)
Nov 26 14:33:04 master portmap[9745]: connect from 127.0.0.1 to unset(nlockmgr)
Nov 26 14:33:24 master portmap: server localhost not responding, timed out
Nov 26 14:33:24 master RPC: failed to contact portmap (errno -5).


got it by running portmap -v
so it looks like portmap recieves 3 connections, does not answer, and mount gets
timed out.