linux-kernel - Re: Linux 2.6.21

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Date:	Thu, 26 Apr 2007 15:14:47 -0400
From:	Stephen Clark <Stephen.Clark@...lark.us>
To:	Jeff Garzik <jeff@...zik.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.21

Jeff Garzik wrote:

>IMO, the closer you look, the more warts you find.  Before you starting 
>doing your work with kernel regressions, no one was really tracking it. 
>  I bet you have helped cut down on the regressions, but I have no good 
>way to quantify my gut feeling.
>
>Additional comments on developers and fixing regressions:
>
>* Sometimes seeing a long list, peoples' eyes glaze over.  Its just 
>human nature.  A long list also gives us no idea of scale, or severity. 
>  I bet a weekly "top 10 bugs and regressions" email would help focus 
>developer attention.
>
>* To be effective, lists, either long or top-10, must be pruned if you 
>get a sense that only one user is affected.  [With oopses and BUGs as a 
>clear exception,] many problems benefit from at least two users 
>reporting a bug.
>
>* It gets a bit tiresome to field the large number of driver bug reports 
>that eventually turn out to be related to broken interrupt handling 
>somehow.  I think we developers need to get better at showing users how 
>to isolate driver vs. PCI/ACPI/core bugs.  Maybe drivers need to start 
>introducing interrupt delivery tests into their probe code.  Overall, 
>broken interrupt handling manifests in several ways, most of which 
>initially appear symptomatic of a broken driver.
>
>	Jeff
>
>
>-
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>  
>
Jeff,

If hardware worked in the previous version of the kernel can't users expect
 the same hardware to work in this kernel?

Steve

-- 

"They that give up essential liberty to obtain temporary safety, 
deserve neither liberty nor safety."  (Ben Franklin)

"The course of history shows that as a government grows, liberty 
decreases."  (Thomas Jefferson)



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