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Re: NetBSD xen dom0 kernel panic

On Tue, Mar 17, 2009 at 11:44:22PM +0000, YAMAMOTO Takashi wrote:
> inet_pfil_hook and inet6_pfil_hook are not expected to be called
> from h/w interrupt context.  ie. BRIDGE_IPF is broken.
> it should be fixed to use softint.

That's a general problem with the bridge code, no?  Because it runs from
the hardware interrupt path, all kinds of nasty priority inversions and
livelock conditions are possible, like if you bridge to a software
interface like any of our network-in-network tunnels.


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