Re: master - btrfs lockdep splat

From	Mike Galbraith <umgwanakikbuti@gmail.com>
Newsgroups	linux.kernel
Subject	Re: master - btrfs lockdep splat
Date	2017-01-12 20:40 +0100
Message-ID	<sYTo6-7Uq-13@gated-at.bofh.it> (permalink)
References	<sYS8G-7eZ-21@gated-at.bofh.it> <sYSs2-7lL-39@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, 2017-01-12 at 10:44 -0800, Liu Bo wrote:
> On Thu, Jan 12, 2017 at 07:12:12PM +0100, Mike Galbraith wrote:
> > Greetings,
> > 
> > I wanted to do some -rt testing, but seems non-rt kernels aren't
> > lockdep clean with btrfs /, making -rt testing a bit premature.
> > 
> > (hm, 28a235931 Btrfs: fix lockdep warning on deadlock against an inode's log mutex)
> 
> It's rather a false-positive lockdep warning than a real deadlock, and a
> patch[1] has been queued to fix it.

(yeah, just stops lockdep from perhaps finding something real)

> [1]: https://patchwork.kernel.org/patch/9473431/

Yup, virtual box seems to be a happy camper now.  Thanks.

	-Mike

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master - btrfs lockdep splat Mike Galbraith <umgwanakikbuti@gmail.com> - 2017-01-12 19:20 +0100
  Re: master - btrfs lockdep splat Liu Bo <bo.li.liu@oracle.com> - 2017-01-12 19:40 +0100
    Re: master - btrfs lockdep splat Mike Galbraith <umgwanakikbuti@gmail.com> - 2017-01-12 20:40 +0100

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