[plug] NFS problem
John Summerfield
summer at os2.ami.com.au
Tue Dec 1 07:28:24 WST 1998
On Mon, 30 Nov 1998, Greg Mildenhall wrote:
> On Sun, 29 Nov 1998, John Summerfield wrote:
> > On Sun, 29 Nov 1998, Greg Mildenhall wrote:
> > > On Sun, 29 Nov 1998, John Summerfield wrote:
> > > > On Nov 15 I was stuffing round with kernel sources & built kernel 2.1.126
> > > > which I removed next day as my system froze.
> > > There's a possibility... did you configure or deconfigure knfsd by any
> > What's knfsd?
> It's a kernel-side NFS server, designed for better performance than the
> userspace one. As such, you won't find a knfsd binaryon your filesystem.
>
> > Probably not.
> > [summer at possum summer]$ locate knfsd
> > [summer at possum summer]$
> Confirmed, confirmed, she is a witch!!
> Well, actually, no, it doesn't confirm anything. :(
> If you are back on the stable kernels, then I suppose you will not be
> running a knfsd anymore, if you were at the time.
>
> > > Or perhaps you upgraded something that was required by the new kernel?
> > > (i.e. in /usr/src/linux/Documentation/Changes)
> > I'm at the level of everything required by kernel '126.
> OK, so the answer almost certainly lies in one of those things you
I agree with that, and I expect it will be fixed if I revert to earlier
software. That won't help my kernel plans.
> upgraded. Do you remember what those were? Are you certain you didn't
> upgrade something but not upgrade a dependency it might have had?
> If you install from .tgz you can never be sure. In fact, at times the
> RPMs for 2.1 support have been a bit dicey, but I don't believe there've
> been any problems that recently.
I installed rpms: I think they all came from 5.2 it happens, so they
should be good ones (and they should work with my kernel).
> Do you recall whether NFS worked while you were running 2.1.126?
umm umm I only ran it overnight.
(wanders off to view logs)
Nov 15 20:43:44 possum kernel: Linux version 2.1.126 (root at possum.os2.ami.com.au) (gcc version 2.7.2.3) #6 Sun Nov 15 20:25:25 WS
T 1998
Hah!
Nov 15 22:30:19 possum nfsd[317]: Unauthorized access by NFS client 192.168.1.2.
Nov 15 22:30:34 possum nfsd[317]: Unauthorized access by NFS client 192.168.1.2.
Nov 15 23:00:30 possum nfsd[317]: Unauthorized access by NFS client 192.168.1.2.
Nov 15 23:00:30 possum mountd[308]: NFS mount of /redhat attempted from 192.168.1.2
Nov 15 23:00:30 possum mountd[308]: Unauthorized access by NFS client 192.168.1.2.
Nov 15 23:00:30 possum mountd[308]: Blocked attempt of 192.168.1.2 to mount /redhat
Nov 15 23:43:19 possum nfsd[317]: Unauthorized access by NFS client 192.168.1.2.
Nov 15 23:46:55 possum nfsd[317]: Unauthorized access by NFS client 192.168.1.2.
Hah! Hah!
Didn't work with 2.1.126 either.
Here's what's recommended:
Current Minimal Requirements
****************************
Upgrade to at *least* these software revisions before thinking you've
encountered a bug! If you're unsure what version you're currently
running, the suggested command should tell you.
- Kernel modules 2.1.121 ; insmod -V
- Gnu C 2.7.2.3 ; gcc --version
- Binutils 2.8.1.0.23 ; ld -v
- Linux libc5 C Library 5.4.46 ; ls -l /lib/libc.so.*
- Linux libc6 C Library 2.0.7pre6 ; ls -l /lib/libc.so.*
- Dynamic Linker (ld.so) 1.9.9 ; ldd --version or ldd -v
- Linux C++ Library 2.7.2.8 ; ls -l /usr/lib/libg++.so.*
- Procps 1.2.9 ; ps --version
- Procinfo 14 ; procinfo -v
- Psmisc 17 ; pstree -V
- Mount 2.7l ; mount --version
- Net-tools 1.45 ; hostname -V
- Loadlin 1.6a
- Sh-utils 1.16 ; basename --v
- Autofs 0.3.11 ; automount --version
- NFS 2.2beta37 ; showmount --version
- Bash 1.14.7 ; bash -version
- Ncpfs 2.2.0 ; ncpmount -v
- Pcmcia-cs 3.0.5 ; cardmgr -V
- PPP 2.3.5 ; pppd -v
- PCI Utilities 1.08 ; lspci --version
Now a lot of that is irrelevant: no impact (eg PPP) or not installed (eg
Pcmcia-cs, PCI Utilities).
Obvious (to me) candidates (updated means Possum has newer versions than
emu):
Linux glibc - updated
Procps - updated
Procinfo - Installed on possum, not on emu therfore probably
irrelevant
NFS - updated - most likely candidate
ncpmount - not installed (so don't ask)
This is the nfs I have:
[summer at possum reports]$ rpm -qi nfs-server
Name : nfs-server Distribution: Manhattan
Version : 2.2beta37 Vendor: Red Hat Software
Release : 1 Build Date: Sat Oct 3 07:54:01 1998
Install date: Sun Nov 15 16:17:23 1998 Build Host: porky.redhat.com
Group : Networking/Daemons Source RPM: nfs-server-2.2beta37-1.src.rpm
Size : 159193
Packager : Red Hat Software <bugs at redhat.com>
Summary : NFS server daemons
>
> > > Perhaps the best idea is to upgrade everything to the newest version, so
> > > that you know they are in sync, then see if the problem still persists.
> > I have patches here to upgrade to '130 (and probably for 2.0.36 as well).
> > My efforts with 2.1 kernels have not been encouraging.
> Well, everyone is expecting a December release, so if you are having
> problems with the 2.1 series, you _really_ need to sort them out as soon
> as you can, before the problems become "stable".
> Did you have stability problems, speed problems, or reduced capabilities?
> For the first two, it is very important that the kernel guys get
> the bug report before 2.2 arrives.
> For the latter, you will probably find your troubles stem from an
> out-of-sync userspace.
>
> -Greg
>
--
Cheers
John Summerfield
http://os2.ami.com.au/os2/ for OS/2 support.
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