> I've seen identical panics when using nmh's spost command to send
> mail. Instant panic saying "negative ref cnt". This is using an NFS
> mounted home directory (containing the draft mail to be sent).
> Unfortunately, I didn't have time to investigate further, so I just
> switched over to using SMTP instead.
We think we've sorted out this problem. Trying to make a cross device link
to an NFS filesystem decreases the reference count twice, so if you do this
a few times you can panic a machine. I've submitted a gnats report
(kern/9970).
David.
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