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Re: Berkeley Packet Filter

From: olafBuddenhagen
Subject: Re: Berkeley Packet Filter
Date: Fri, 10 Jul 2009 14:51:16 +0200
User-agent: Mutt/1.5.19 (2009-01-05)


On Mon, Jul 06, 2009 at 09:01:39PM +0800, Da Zheng wrote:
> Samuel Thibault wrote:
>> Da Zheng, le Mon 06 Jul 2009 14:23:20 +0800, a écrit :

>>> GNU Savannah bug #25054 -- Kernel panic with eth-multiplexer,
>>> reported by antrik, isn't a bug in gnumach. It was caused by a bug
>>> in eth-multiplexer and the bug has been fixed. Maybe you can remove
>>> it in the page.
>> Errrr, a bug in a userland tool is not supposed to cause a kernel
>> panic, so there is a bug in the kernel too.
> What should the kernel do if it is out of resources?

Note that with the Debian gnumach package, I did *not* get a zalloc
panic, as should be expected on kernel resource exhaustion, but rather
an assertion failure -- this *is* a bug in Mach, no matter whether the
user space code triggering it was buggy or not.


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