kern/145211: Memory modified after free

[Anton Shterenlikht]

On Wed, Mar 31, 2010 at 06:50:12PM +0000, Nathaniel W Filardo wrote:
> The following reply was made to PR sparc64/145211; it has been noted by GNATS.
> 
> From: Nathaniel W Filardo <nwf at cs.jhu.edu>
> To: bug-followup at freebsd.org
> Cc:  
> Subject: Re: kern/145211: Memory modified after free
> Date: Wed, 31 Mar 2010 14:49:40 -0400
> 
>  It occurs to me to add that at least the second crash was correlated with a
>  burst of traffic on bge2, which usually sits idle.  FWIW, bge0 and bge3 are
>  typically busy, and bge1 is not connected.  Is it possible that this is a
>  bge bug?  I'll be recreating the busy-bge2 scenario to test other things
>  anyway and will report should it trigger a panic again.

FWIW I've had this twice on ia64 -current.
It also seems to follow bge activity,
but not sure about the "bursts":

http://seis.bris.ac.uk/~mexas/freebsd/ia64/rx2600/tzav/messages


-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
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