I converted my NFS server (which started life many Ubuntus ago,
probably as a 7.04 server) to v4 exports which solved my problem.
A newer Ubuntu server installation works fine as v3 server, so the
problem is probably caused by some old left over configuration
files....
2011/12/16 Nobuaki Nakamura <email address hidden>:
> in kernel 3.0.0-14-server too.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/879334
>
> Title:
> nfsd from nfs-kernel-server very slow and system load from 25%-100%
> from nfsd
>
> Status in “nfs-utils” package in Ubuntu:
> Confirmed
>
> Bug description:
> I have a diskless ubuntu 10.10 machine which I boot regularly using
> pxe-boot from another ubuntu machine where I have the root filesystem
> of the diskless machine exported over nfs.
>
> I set it up about a year ago using 10.10. In the mean while the server
> machine got upgraded to 11.04 and as of yesterday to 11.10.
>
> After the upgrade to 11.10 the diskless machine is dead slow (most of
> the times it wont even boot completely) and the load on the server
> machine is high (25%-100% as shown from top). If in the middle of the
> diskless computer booting I do a restart of the nfs server, the client
> computer proceeds with the boot a bit more and then it gets stuck
> again. I have to restart and nfs-server 3-4 times in order to get the
> gdm login screen at the client machine
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.10
> Package: nfs-kernel-server 1:1.2.4-1ubuntu2
> ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
> Uname: Linux 3.0.0-12-generic i686
> ApportVersion: 1.23-0ubuntu3
> Architecture: i386
> Date: Fri Oct 21 12:53:02 2011
> ProcEnviron:
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: nfs-utils
> UpgradeStatus: Upgraded to oneiric on 2011-10-20 (1 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/879334/+subscriptions
I converted my NFS server (which started life many Ubuntus ago,
probably as a 7.04 server) to v4 exports which solved my problem.
A newer Ubuntu server installation works fine as v3 server, so the
problem is probably caused by some old left over configuration
files....
2011/12/16 Nobuaki Nakamura <email address hidden>: /bugs.launchpad .net/bugs/ 879334 ature: Ubuntu 3.0.0-12.20-generic 3.0.4 /bugs.launchpad .net/ubuntu/ +source/ nfs-utils/ +bug/879334/ +subscriptions
> in kernel 3.0.0-14-server too.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> nfsd from nfs-kernel-server very slow and system load from 25%-100%
> from nfsd
>
> Status in “nfs-utils” package in Ubuntu:
> Confirmed
>
> Bug description:
> I have a diskless ubuntu 10.10 machine which I boot regularly using
> pxe-boot from another ubuntu machine where I have the root filesystem
> of the diskless machine exported over nfs.
>
> I set it up about a year ago using 10.10. In the mean while the server
> machine got upgraded to 11.04 and as of yesterday to 11.10.
>
> After the upgrade to 11.10 the diskless machine is dead slow (most of
> the times it wont even boot completely) and the load on the server
> machine is high (25%-100% as shown from top). If in the middle of the
> diskless computer booting I do a restart of the nfs server, the client
> computer proceeds with the boot a bit more and then it gets stuck
> again. I have to restart and nfs-server 3-4 times in order to get the
> gdm login screen at the client machine
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.10
> Package: nfs-kernel-server 1:1.2.4-1ubuntu2
> ProcVersionSign
> Uname: Linux 3.0.0-12-generic i686
> ApportVersion: 1.23-0ubuntu3
> Architecture: i386
> Date: Fri Oct 21 12:53:02 2011
> ProcEnviron:
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: nfs-utils
> UpgradeStatus: Upgraded to oneiric on 2011-10-20 (1 days ago)
>
> To manage notifications about this bug go to:
> https:/