Re: 2.6.13-rc3 test: finding compile errors with make randconfig

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On Sun, Jul 24, 2005 at 04:28:54PM +1000, Grant Coady wrote:

> Greetings,

Hi Grant,

> Few days ago I compiled 241 random configurations of 2.6.13-rc3, today 
> I finally got around to parsing the results, top 40, sorted by name.  
> Percentage is error_builds / total_builds.
> 
> build script similar to:
> count=0
> while [ $((++count)) -le $limit ]; do
>         trial=$(printf %003d $count)
>         make randconfig
>         cp .config "$store/$trial-config"
>         make clean
>         make -j2 2> "$store/$trial-error"
> done
> 
> Curious whether this is worth doing, I'm about to start a run for 2.6.12.3, 
> any interesting errors I can find the particular config + error to recover 
> context.  Deliberately simplistic for traceability at the moment, truncated 
> error length for this post.
>...

it's generally useful, but the target kernel should be the latest -mm
kernel. 

And doing the compilations is really the trivial part of the work, the 
main work is to analyze what causes the build failures and sending 
patches.

> Grant.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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