Re: NFS looking good!

Bill Hawes (whawes@transmeta.com)
Tue, 25 Aug 1998 09:17:57 -0700


H. J. Lu wrote:

> >
> > The "semaphore in use" messages are serious -- that really shouldn't be happening. Is device 08:15 the NFS mount
> > perchance?
> >
>
> I have seen it twice on my NFS server. It is the exported fs. I think
> I was doing something on NFS at the time. I might be starting/stopping
> the NFS server.

The knfsd code uses the inode semaphore for a number of locking situations, and if there are cases where the semaphore
isn't being released, it could show up as "semaphore in use" when the inode is freed.

It would be very helpful to find a repeatable case of this so I can see what's going on. A messed up semaphore count
could result in hanging or stuck operations, so it's important to track this down.

Regards,
Bill

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