svn commit: r324444 - head/sys/kern

[Cy Schubert]

In message <201710091819.v99IJ6oB009917 at repo.freebsd.org>, Alan Cox writes:
> Author: alc
> Date: Mon Oct  9 18:19:06 2017
> New Revision: 324444
> URL: https://svnweb.freebsd.org/changeset/base/324444
> 
> Log:
>   The recent change to initialization of blists (r324420) relied on '-1'
>   appearing only where the code explicitly set it, but since much of the
>   data was not initialized, '-1' appeared other places too, and led to
>   panics.  Clear the allocated data before initializing nonzero values by
>   allocating with M_ZERO.
>   
>   Submitted by:	Doug Moore <dougm at rice.edu>
>   Reported by:	Oleg V. Nauman <oleg at theweb.org.ua>, cy
>   Tested by:	Oleg V. Nauman <oleg at theweb.org.ua>
>   MFC after:	1 week
>   X-MFC with:	r324420
>   Differential Revision:	https://reviews.freebsd.org/D12627

Thanks. This fixes the recurring panic on one of my machines.


-- 
Cheers,
Cy Schubert <Cy.Schubert at cschubert.com>
FreeBSD UNIX:  <cy at FreeBSD.org>   Web:  http://www.FreeBSD.org

	The need of the many outweighs the greed of the few.