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 <879...@bugs.launchpad.net>: > 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/879334 Title: nfsd from nfs-kernel-server very slow and system load from 25%-100% from nfsd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/879334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
