panic: System call lstat returning with 1 locks held

Attilio Rao attilio at freebsd.org
Tue Jan 29 14:11:14 PST 2008


2008/1/29, Doug Barton <dougb at freebsd.org>:
> Attilio Rao wrote:
> > 2008/1/27, Doug Barton <dougb at freebsd.org>:
> >> Attilio Rao wrote:
> >>
> >>> As my really first commit about VFS happened on 28 december (and it
> >>> should also be a nop), and you reported a 23 december kernel, it seems
> >>> like the problem was alredy there by time.
> >> Ok, so you're off the hook. :) Interested in helping track down why
> >> it's panic'ing?
> >
> > Sure, I'm testing a patch which instruments lockmgr with ktr and
> > witness support.
> > I will post later in the day in order to make consumer-available.
>
> ok. FYI I tried torture-testing it today, and thing are looking a
> little better. It only paniced once, with the same message as in the
> subject but it was stat, not lstat. Unfortunately it didn't actually
> do the dump, so I don't have a backtrace. If I can get it to
> panic&dump I'll let you know.

Which fs? always NTFS?
I'm committing my WITNESS patch now to perforce so that other people
can hopefully stress-test it before to be committed.

Thanks,
Attilio


-- 
Peace can only be achieved by understanding - A. Einstein


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