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policy=outbound score=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1015 impostorscore=0 malwarescore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604030099 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 03 Apr 2026 11:09:11 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/234580 On 3/11/26 23:02, Mathieu Dubois-Briand wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the content is safe. > > On Wed Mar 11, 2026 at 2:57 PM CET, Zhang Peng wrote: >> On 3/11/26 14:03, Mathieu Dubois-Briand wrote: >>> CAUTION: This email comes from a non Wind River email account! >>> Do not click links or open attachments unless you recognize the sender and know the content is safe. >>> >>> On Mon Mar 9, 2026 at 4:08 PM CET, Peng (Paul) (CN) via lists.openembedded.org Zhang wrote: >>>> From: Zhang Peng >>>> >>>> Upgrade to latest revision of 1.24.0. >>>> - Drop patches included in this release. >>>> - Add patch to fix test-groff not found in cross-compilation. >>>> - Add patch to use SOURCE_DATE_EPOCH in gropdf for reproducible PDF generation. >>>> - COPYING, LICENSES: Refresh GPLv3 text. >>>> >>>> Release Note:[https://lists.gnu.org/r/groff/2026-02/msg00149.html] >>>> >>>> Signed-off-by: Zhang Peng >>> Hi, >>> >>> Thanks for the new version. It looks a bit better, reproducibility test >>> passed at least once, but we still have failures in some builds. It >>> seems to be a similar one: >>> >>> AssertionError: The following deb packages are different and not in exclusion list: >>> /srv/pokybuild/yocto-worker/reproducible/build/build-st/reproducibleB-extended/tmp/deploy/deb/./x86-64-v3/groff-doc_1.24.0-r0_amd64.deb >>> The following rpm packages are different and not in exclusion list: >>> /srv/pokybuild/yocto-worker/reproducible/build/build-st/reproducibleB-extended/tmp/deploy/rpm/./x86_64_v3/groff-doc-1.24.0-r0.x86_64_v3.rpm >>> >>> https://autobuilder.yoctoproject.org/valkyrie/#/builders/37/builds/3554 >>> >>> Diffoscope output: >>> https://valkyrie.yocto.io/pub/repro-fail/oe-reproducible-20260310-jxtz43x1/packages/diff-html/ >> HI, Mathieu >> >> It's very strange - I cannot reproduce this issue on my local Ubuntu >> 22.04 system. From the Yocto autobuilder system logs, I can't find any >> useful hints to analyze the failure. >> My suspicion is related to the host environment. The autobuilder uses >> Fedora 40 while I'm testing on Ubuntu, but I don't think this difference >> should cause the failure. >> Any help or insights on this would be greatly appreciated. >> > Hi Peng, > > So on the autobuilder we are testing with multiple distributions. This > reproducibility issue did happen with multiple workers, with different > distributions. > > One first note about the reproducibility test. As you might have seen, > we are comparing the output of two builds: > - The first build, left side of diffoscope, is made using the > sstate-cache, so the document might have been built on any worker. > - The second build, right side of diffoscope is made without the > sstate-cache: the pdf have been generated on the worker used for the > build. > > We had 3 test failures so far: > - One on fedora 40: > https://autobuilder.yoctoproject.org/valkyrie/#/builders/37/builds/3554 > - One on alma 8: > https://autobuilder.yoctoproject.org/valkyrie/#/builders/37/builds/3553 > - One on debian 12: > https://autobuilder.yoctoproject.org/valkyrie/#/builders/37/builds/3556 > > One interesting thing is, the output of both alma 8 and debian 12 looks > the same, if we compare the right side of the diffoscope output. > > So, depending on something, probably the distribution, we have at least > 3 different outputs: > - A first version (A), generated on an unknown distribution has reached the > sstate-cache: this is the one we see on the diffoscope output on > each builds. > - A second version (B), generated on Fedora 40 worker. Output differs > with A on the ipk generation. > - A third version (C), generated either on alma 8 or Debian 12. Output > differs with A on the deb generation. > > So one idea might be to try to build the package in two different > dockers, one Fedora 40, one Debian 12. If you are a bit lucky, you might > get some different output. thanks very much for your informaion. V3 send > Thanks, > Mathieu > > -- > Mathieu Dubois-Briand, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com >