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    SubjectRe: Are there kernel testing suites out there? We need them.
    Alan Cox wrote:
    >
    > > That works, but adding a mechanized regression test would
    > > be painless, and might give us earlier warnings if and when
    > > a few bad things (like ext2 fs corruption) creep back into
    >
    > Automatic regression tests very rarely help. Most of the bugs that
    > get into a shipping kernel now are ones I can't reproduce even given a
    > description let alone find randomly
    >
    > > corporations love. Red Hat, for instance, might well feel
    > > inclined to set up a mechanized regression test to give
    > > it a little added certainty that it's not about to ship a lemon.
    >
    > Guess which turns up lemons best, the automated testing or the beta program.

    I think both ways are good. I don't recall automated testing ever
    finding a bug in any of my code that wasn't alpha. However, we _do_ add
    tests for bugs that are found and fixed for two reasons: 1) To make sure
    we actually fixed it, 2) Sometimes bugs come back - especially when all
    your fix did was to temporarily mask it.

    Stupid little repeat-glitches are the biggie...especially when you have
    more than one person working on the code.

    D

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