> Richard Jones wrote:
> >
> > On a related subject, is the following kernel message important:
> >
> > nfsd_create: dentry tmp/test not negative!
[...]
> I'm pretty sure I know the cause of that problem -- the current knfsd
> isn't obeying all of the vfs locking protocols. Under some circumstances
> it may check for existence, find the file doesn't exist, and then go to
> create the file and find that it's already been created (that's the
> "dentry not negative!" part.)
Ah!
This is pretty much what I've been seeing. In my earlier report, I
carelessly missed out the critical first log entry:
May 29 12:28:10 valour kernel: nfsd_create: dentry docs/ThesisProposal not negative!
This is followed by:
May 29 12:28:10 valour kernel: find_fh_dentry: docs/ThesisProposal lookup mismatch!
May 29 12:28:10 valour kernel: lookup_by_inode: found ThesisProposal
May 29 12:28:10 valour kernel: lookup_by_inode: docs/ThesisProposal inode mismatch??
May 29 12:28:10 valour kernel: find_fh_dentry: 03:07, 129025/217178 not found -- need full search!
These blocks repeat until I ^C the pipeline.
> Guess I need to find some round tuits and get this fixed ...
Well, since I can reproduce this bug on demand, I'd be interested in
testing any patches you feel like coming up with.
Thanks,
Austin
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