panic: Memory modified after free

[Doug Rabson]

On Thu, 2003-10-23 at 22:45, othermark wrote:
> I wrote:
> > I will try seeing how far I can go up the list of snapshots until I
> > encounter the first boot -s panic.
> 
> Well I walked up the available snapshots and the first panic occurs with
> the snapshot from the 17th of October.  Reviewing the commit logs between
> the 16th and the 17th I note the following commits are the most
> 'interesting.' as related to this panic..   This is just a cursory look
> at the logs, I haven't gotten into compiling and fingering an exact commit
> yet (which takes loads of time).
> 
> dfr         2003/10/16 02:16:28 PDT
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/sys              bus.h kobj.h param.h 
>     sys/kern             subr_bus.c subr_kobj.c 
>   Log:
>   * Add multiple inheritance to kobj.

I haven't had any other reports of breakage related to this. Is it
possible that you are using a kernel module which you have not re-built
after this date (e.g. nvidia.ko)?