Re: NFS writes being corrupted?

[Martin Husemann <martin%duskware.de@localhost>]

On Mon, Aug 03, 2015 at 09:02:19AM -0700, Jeff Rizzo wrote:
> I'm about 80% sure this was working around 7.99.9, but for a number of 
> reasons it's complicated for me to check older builds, and in any event 
> odroid-c1 support is fairly new.  I noticed some changes to the NFS code 
> on 15 July ( 
> http://mail-index.netbsd.org/source-changes/2015/07/15/msg067309.html ), 
> but backing these out does not change the behavior.

What kind of differences do you see?

Truncation to a multiple of page size? Last partial page filled with zeroes?
Random corruption? Do you get identical content back when reading on the
client directly after write?

Typical culprit would be cache ops/pmap issues.

Martin