[OpenAFS] 1.3.87 on Solaris 10 and weird NFS problem

Douglas E. Engert deengert@anl.gov
Wed, 10 Aug 2005 10:57:32 -0500

Christopher D. Clausen wrote:

> I just downloaded and compiled the 1.3.87 source on Solaris 10 sparc
> using the latest Sun Studio compiler.  Installed it and AFS appears to
> work fine (both server and client.)
> However, when attempting to NFS mount someting on this machine, the
> machine panics and reboots almost immediately.

Do you have a crash dump in /var/crash/<hostname>?

cd /var/crash/<hostname>
mdb unix.1 vmcode.1

will show the stack trace.

> Alternately, I can first setup the NFS export and mount it (from a
> Solaris 9 machine if the NFS client matters) without starting AFS
> (removing the symlink in /etc/rc3.d) and as soon as I run the
> /etc/init.d/afs script the machine reboots.

I have not seen this problem os Solaris 10, with 1.3.81 or 1.3.85
using the libafs64.o.

> -----
> Further testing shows that just loading the kernel module via modload
> /kernel/fs/sparcv9/afs while NFS is mounted reboots the machine, so its
> not an afsd or a server binary problem.
> It would appear that AFS and NFS are mutually exclusive on this
> machine...
> -----
> Even more testing has revealed that the libafs64.nonfs.o module works
> just fine when the libafs64.o one does not.  This is very weird.  I can
> only assume that this is due to some change in Solaris 10.
> Am I going to run into weird NFS / AFS problems later on because I am
> using the nonfs kernel module?  Can someone explain why there were two
> seperate modules (nonfs and nfs) to begin with?
> And for the record I had the same problem with 1.3.80, although I did
> not test it as extensively so this is not likely due to a recent change.
> <<CDC
> Christopher D. Clausen
> ACM@UIUC SysAdmin
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  Douglas E. Engert  <DEEngert@anl.gov>
  Argonne National Laboratory
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