repeating crashes with 8.1

[Bjoern A. Zeeb]

On Fri, 22 Oct 2010, Mike Tancsa wrote:

Hi Randy, Mike,

> At 10:18 AM 10/22/2010, Randy Bush wrote:
>> > Do you know how this panic is triggered ? Are you able to
>> > create it on demand ?
>> 
>> no i do not.  bring server up and it'll happen in half an hour.
>> 
>> and the server was happy for two months.  so i am thinking hardware.
>
> Perhaps. The reason I ask is that I had a box go down last night with the 
> same set of errors.  The box has a number of ipv6 routes, but its next hop 
> was down and the problems started soon after. So I wonder if it has something 
> to do with that.  Do you have ipv6 on this box and are all the next hop 
> addresses correct / reachable ?
>
> Oct 22 02:06:02 i4 kernel: em1: discard frame w/o packet header
> Oct 22 02:06:10 i4 kernel: em2: discard frame w/o packet header
> Oct 22 02:06:21 i4 kernel: em1: discard frame w/o packet header

Just a shot in the dark, as I got another private report just now
on this one; is any of you by chance running VLANs on the systems
you see this happening?

/bz

-- 
Bjoern A. Zeeb                              Welcome a new stage of life.
         <ks> Going to jail sucks -- <bz> All my daemons like it!
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails.html