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To: Garrett Cooper <yaneurabeya@gmail.com>
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From: "Chris H" <bsd-lists@bsdforge.com>
Subject: Re: bombarded with LOR's with recent install
Date: Wed, 25 Feb 2015 11:10:16 -0800
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On Wed, 25 Feb 2015 10:59:11 -0800 Garrett Cooper <yaneurabeya@gmail.com> wrote

> On Feb 25, 2015, at 10:19, Chris H <bsd-lists@bsdforge.com> wrote:
> 
> > On Wed, 25 Feb 2015 09:42:54 -0800 "Chris H" <bsd-lists@bsdforge.com> wrote
> > 
> >> On Wed, 25 Feb 2015 08:56:14 -0800 "Chris H" <bsd-lists@bsdforge.com>
> >> wrote 
> >> I see somebody also reported something along these lines, recently;
> >>
> >>
http://freebsd.1045724.n5.nabble.com/ufs-devfs-quot-lock-order-reversal-quot-
> >> on-poweroff-td5989901.html 
> >> 
> >> But there was no reported resolution.
> > and again in January, as well.
> > https://www.mail-archive.com/freebsd-current@freebsd.org/msg158784.html
> > 
> > Is there any way to switch off WITNESS, INVARIANTS && SKIPSPIN
> > in the GENERIC that is installed, outside of building a new
> > kernel?
> 
> debug.witness.watch=0 disables witness watching -1 turns it off altogether
> (and according to the code requires a reboot, but I haven’t tested that
> assertion). 
Thank you, Garrett. That's great to know.
>
> As for all of the LORs reported, I’ve seen them a lot running CURRENT and
at
> $work :(... 
>
> I’m working on printing out those stacks via log(9) though — I’ll
publish my
> new diff on Phabricator soon: https://reviews.freebsd.org/D1794 . 
I'll be watching this. Thanks!
>
> Cheers!

--Chris

--