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Re: block device lock difference between netbsd-4 and netbsd-5

On Mon, Feb 01, 2010 at 04:09:04PM +0200, Brad du Plessis wrote:
> On 1/30/2010 1:38 PM, Adam Hamsik wrote:
>> You can't open block device more than once in netbsd>  5.0. If you
>> need to do it something is wrong with your setup. You can still open
>> raw devices more than once.
> I'd be interested to know the reason why this was changed - any idea?

It was never supposed to work.  Among other things, it's a severe
security hole.

Thor Lancelot Simon                           
  "All of my opinions are consistent, but I cannot present them all
   at once."    -Jean-Jacques Rousseau, On The Social Contract

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