Problem with NFS after updating util-linux

Paul Howarth paul at city-fan.org
Thu Mar 31 14:01:34 UTC 2005


Paul Howarth wrote:
> Espen Stefansen wrote:
> 
>> Hi
>>
>> At my company, we have a redhat 9 server which is a nfs and nis
>> server. It handles our logins and home-dirs. After updating my Fedora
>> 3 machine with util-linux, i cannot log on anymore. In my log it says:
>>
>> Mar 31 13:58:54 localhost automount[5900]: >> mount to NFS server
>> 'artemis' failed: server is down.
>> Mar 31 13:58:54 localhost automount[5900]: >> mount: backgrounding
>> "artemis:/export/home/espens"
>>
>> But the server isn't down.
>>
>> If i replace the new util-linux rpm, with the old one, it works fine.
>>
>> Does anybody know why??
> 
> 
> I suspect that the fix for bug #141773 (which is presumably a security 
> issue because bugzilla won't let me see it) mentioned in the changelog 
> for the updated package has introduced this problem:
> 
> * Fri Feb 25 2005 <SteveD at RedHat.com> 2.12a-20
> 
> - Changed nfsmount to only use reserve ports when necessary
>   (bz# 141773)
> 
> 
> I've just observed the exact same problem with my RH9 NFS server and 
> also with an HP-UX 11 server, though my RHEL3 and FC3 servers are 
> unaffected.
> 
> I suspect it might be possible to work around this by convincing 
> nfsmount that using the reserved ports is "necessary" for the older 
> servers, but I haven't figured out how to do this yet.

It's not a bug apparently.

See: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150775

Fix is to use the "udp" mount option.

Paul.




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