Troubles with BIND + r276630 (/r277317 MFC)

[Konstantin Belousov]

On Fri, Feb 13, 2015 at 03:08:17PM -0600, Matthew D. Fuller wrote:
> On Fri, Feb 13, 2015 at 02:51:02PM -0600 I heard the voice of
> Matthew D. Fuller, and lo! it spake thus:
> > > The I/O err in isc_lex_gettoken() appears only triggered when getc()
> > > hits EOF.
> > 
> > Err, wait, I'm backward on this.  It's in ferror(), so not EOF.
> 
> And dropping in an errno check says getc is setting EBADF.
> 
> 
> But remember, this is pretty random.  I'm also sometimes getting
> "unexpected end of input" sometimes, with all sorts of line numbers.
> Then here's one that gives an "ignoring out-of-zone data" talking
> about something that isn't on the referenced line at all.  Here's a
> "loading [...] failed: bad ttl".
> 
> It's all over the place.  Every place I've checked, the read() data in
> ktrace looks fine; it's getting mangled after that.

Look, I asked for data. The texts you posted probably could be qualified
as your walkthrough notes for some investigation, but may be not.
Anyway, I am even unable to completely parse the notes, and I do not see
how to start drilling down without data.