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SubjectRe: 2.5.59 NFS server keeps local fs live after being stopped
On Wednesday January 29, mikpe@csd.uu.se wrote:
> Kernel 2.5.59. A local ext2 file system is mounted at $MNTPNT
> and exported through NFS V3. A client mounts and unmounts it,
> w/o any I/O in between. The NFS server is shut down. Nothing in
> user-space refers to $MNTPNT.
>
> The bug is that $MNTPNT now can't be unmounted. umount fails with
> "device is busy". A forced umount at shutdown fails with "device
> or resource busy" and "illegal seek", and leaves the underlying
> fs marked dirty.
>
> I can't say exactly when this began, but the problem is present
> in 2.5.59 and 2.5.55. 2.4.21-pre4 does not have this problem.

How do you shut down the nfs server?
Is anything in /proc/fs/nfs/export after the shutdown?

NeilBrown

>
> /Mikael
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