On Fri, 31 May 2024 at 15:28, Richard Purdie via lists.openembedded.org <[email protected]> wrote: > > I've been asked what the reproducibility issue is and what data we > have. I ran a couple of test builds on the current autobuilder and the > test cluster. I added in the diff at the end of this email, just to > limit the test to what we're interested in. > > The test on the new test cluster passed: > > https://valkyrie.yoctoproject.org/#/builders/37/builds/36 > > However the build on the current autobuilder did not: > > https://autobuilder.yoctoproject.org/typhoon/#/builders/117/builds/4876 > > and the different binaries generated are here: > > http://autobuilder.yocto.io/pub/repro-fail/oe-reproducible-20240531-l872m0ip/packages/ > > We need to get to the bottom of why these are different and the test is > sometimes failing. Any help appreciated! > > It is unclear what we need to do to reproduce the issue on demand.
One possible lead is in the original attempt to fix this; https://git.yoctoproject.org/poky/commit/?id=321aebfa281bd28e368c684ece57867f6bd0cbe7 It is not yet clear if disabling PGO makes things reproducible, as the same commit also prevented the non reproducible binary (rustdoc) from being installed (with the demangler line). PGO as the culprit should be either confirmed, or ruled out first. If PGO indeed helps then the next step is figure out how to disable (or tweak) it in a way that doesn't cause issues with chromium: https://git.yoctoproject.org/poky/commit/?id=694b85a217209787fe8c503a4b697dc6c2bfbe84 Alex
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