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Date:      Mon, 17 Dec 2012 13:21:43 -0800
From:      Alfred Perlstein <bright@mu.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        Adrian Chadd <adrian@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, Alfred Perlstein <alfred@freebsd.org>, Andriy Gapon <avg@freebsd.org>, Gleb Smirnoff <glebius@freebsd.org>, Robert Watson <rwatson@freebsd.org>, Navdeep Parhar <np@freebsd.org>, Bruce Evans <brde@optusnet.com.au>, svn-src-head@freebsd.org
Subject:   Re: svn commit: r244112 - head/sys/kern
Message-ID:  <50CF8CE7.4020906@mu.org>
In-Reply-To: <201212171439.27297.jhb@freebsd.org>
References:  <201212110708.qBB78EWx025288@svn.freebsd.org> <50CBC285.7060307@mu.org> <20121215161414.V1029@besplex.bde.org> <201212171439.27297.jhb@freebsd.org>

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On 12/17/12 11:39 AM, John Baldwin wrote:
> On Saturday, December 15, 2012 1:04:17 am Bruce Evans wrote:
>> On Fri, 14 Dec 2012, Alfred Perlstein wrote:
>>
>>> On 12/14/12 4:12 PM, Robert Watson wrote:
>>>> On Fri, 14 Dec 2012, John Baldwin wrote:
>>>>
>>>>> On Thursday, December 13, 2012 4:02:15 am Gleb Smirnoff wrote:
>>>>>> On Wed, Dec 12, 2012 at 04:53:48PM -0800, Alfred Perlstein wrote: A> The
>>>>>> problem again is that not all the KASSERTS are inviolable, if you A> want
>>>>>> to do a project to split them, then please do, it would really be A>
>>>>>> helpful, as for now, they are a mis-mash of death/warnings and there are
>>>>>> A> at least three vendors who approve of this as well as 3 long term A>
>>>>>> committers that approved my change (not including Adrian).
>>>>>>
>>>>>> Can you show examples of not inviolable KASSERTs?
>>>>> There are none.  They are all assertions for a reason.  However, in my
>> Not even one whose existence is a bug? :-)
> They should just not exist at all then. :)  All the more reason for them to
> panic early and often so developers will be prompted to remove them.
>
This is hard to explain to a customer.

customer: "So we ran your debug image and got you a panic, here is the 
information.  So can you tell us what is the problem?"
alfred: "well that is due to XXX other thing that is broken, thanks for 
helping us resolve that unrelated problem!"
customer: "i hate you"
alfred: "get in line."

-Alfred



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