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X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Apr 2022 13:14:09.1848 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0a95f13f-3870-4ab7-02ec-08da1bbd29ea X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.70];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR01FT076.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR10MB2149 X-TUID: Z+rVsd4KIwoz On 11.04.22 12:53, Henning Schild wrote: > Am Sun, 10 Apr 2022 22:32:28 +0530 > schrieb venkata.pyla@toshiba-tsip.com: > >> From: venkata pyla >> >> Hello all, >> >> Replying to this mail conversation, >> (https://groups.google.com/g/isar-users/c/JCgpWU_pFJU/m/IwlYTmzQBQAJ) >> >> For the problem "debconf cache non-reproducible", I figured out a >> solution in isar system itself. > > Generating configuration items and placing them before a package gets > installed is very common. It is not only done by Isar but very likely > by many packages in debian that cater for other packages. > > What you are suggesting is not a generic solution to "debconf cache" > being non-reproducible. It is just a quirk to hide the problem in that > one case for that one package. > > Maybe the cache just needs to be excluded from the image, or cleaned or > whatever. > > And i guess we should have some infrastructure in Isar to find > "non-reproducible" build issues also available for any layers. Because > layers is where the real complexity is, not those relatively boring > example images you find in isar. > Just ran into a more complex scenario where non-reproducibility of the image bites: isar-cip-core [1] in secure boot mode generates dm-verity images and a corresponding initramfs which carries the rootfs hash. As we are not able to re-generate the very same rootfs from the same task(-hashes), bitbake will not rebuild the initramfs, and image and initramfs will no longer match. Jan [1] https://gitlab.com/cip-project/cip-core/isar-cip-core -- Siemens AG, Technology Competence Center Embedded Linux