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