Re: kern/43877: named hangs with 5.99.39 kernel, 5.99.27 userland

[christos%zoulas.com@localhost (Christos Zoulas)]

On Dec 26,  3:10pm, apb%cequrux.com@localhost (Alan Barrett) wrote:
-- Subject: Re: kern/43877: named hangs with 5.99.39 kernel, 5.99.27 userland

| The following reply was made to PR kern/43877; it has been noted by GNATS.
| 
| From: Alan Barrett <apb%cequrux.com@localhost>
| To: gnats-bugs%NetBSD.org@localhost
| Cc: 
| Subject: Re: kern/43877: named hangs with 5.99.39 kernel, 5.99.27 userland
| Date: Sun, 26 Dec 2010 17:06:20 +0200
| 
|  On Tue, 14 Sep 2010, apb%cequrux.com@localhost wrote:
|  > >Synopsis:       named hangs with 5.99.39 kernel, 5.99.27 userland
|  > I booted a 5.99.39 kernel (built from sources checked out with cvs
|  > update -D '2010-09-12 12:00 UTC') on a system with a userland from a few
|  > months ago (version 5.99.27, built from sources checked out with cvs
|  > update -D '2010-04-18 12:00 UTC').
|  
|  This is still an issue with a 5.99.40 kernel and 5.99.27 userland.  What
|  can I do to help debug this failure of backward compatibility?
|  
|  I'd really like to upgrade from 5.99.27, but as long as an old userland
|  doesn't work with a new kernel, I can't upgrade safely.

What does a ktrace show? Where is it getting stuck?

christos