Panic and LOR on -CURRENT with ath

Andrea Campi andrea+freebsd_current at
Wed Dec 21 13:58:19 PST 2005


On Wed, Dec 21, 2005 at 12:07:06PM -0800, Sam Leffler wrote:
> This is a driver lock held across an ioctl that does copyout and the 
> destination faults.  I've tried to get people to buy into a solution to 
> the general problem w/o luck.

Does this only need someone to sit down and code a solution, or is that
a broader and not only technical issue?

> It appears the mbuf was reclaimed while sitting on the tx queue waiting 
> to be reaped.  I've seen a few complaints of this sort but never enough 
> info to start looking.  This problem seems to be common to soekris h/w 
> or perhaps this general config which is common on soekris h/w.  Knowing 
> the configuration might be useful; e.g. bridged config?  what packet 
> filter package?  network setup?

Nope, no bridging; this is nanobsd with a GENERIC kernel minus a lot of
stuff plus ipfw (which I also use for NAT). Nothing fancy really. It's
not even under any high load.

Is there anything I can investigate from DDB?


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