Re: bombarded with LOR's with recent install

From: Garrett Cooper <yaneurabeya_at_gmail.com>
Date: Wed, 25 Feb 2015 10:59:11 -0800
On Feb 25, 2015, at 10:19, Chris H <bsd-lists_at_bsdforge.com> wrote:

> On Wed, 25 Feb 2015 09:42:54 -0800 "Chris H" <bsd-lists_at_bsdforge.com> wrote
> 
>> On Wed, 25 Feb 2015 08:56:14 -0800 "Chris H" <bsd-lists_at_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_at_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).

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 .

Cheers!

Received on Wed Feb 25 2015 - 17:59:13 UTC

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