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=?utf-8?B?dVhVVWVNNGtTNHJXTFpyR25sSzllaG83YVF3YXV6Ym1mcVFsT3VPK3JuRGNS?= =?utf-8?B?aVAzRUgwSzRIVm5rVjNUUzFydWE2QWpHM2twYlpCQzFtUmdPS0JLUSthaEFz?= =?utf-8?B?UloxVkFTZFZJSzBmbFBFd0V0bndscHFobEJSZEYweWdheVorMDBwODV4MldQ?= =?utf-8?B?WGc9PQ==?= X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7f4cbcbf-5d29-4029-0b4b-08dc7bced655 X-MS-Exchange-CrossTenant-AuthSource: AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 May 2024 08:52:27.0010 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: TuQNgP3/nNv5FQHD8A5a3lb+D2nHs7pp9yRTLOY1zol4sR/cmqXNG65N79ozb4grtrTmLVBxiAvuH8Y71+mYwg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR10MB7309 X-TUID: MX7fNC2FD3nM On 24.05.24 10:08, Anton Mikanovich wrote: > 23/05/2024 20:08, 'Jan Kiszka' via isar-users wrote: >> Hi all, >> >> I think I've seen it before but didn't look closer so far: >> >> 2024-05-23 15:16:22 - INFO     - Log data follows: >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Executing python function >> sstate_task_prefunc >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Python function >> sstate_task_prefunc finished >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Executing python function >> do_dpkg_build >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Executing shell function >> dpkg_schroot_create_configs >> 2024-05-23 15:16:22 - INFO     - | Creating >> /etc/schroot/chroot.d/isar-builder-3cef593b-e753-4463-a544-cea3d14532e2-39837 >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Shell function >> dpkg_schroot_create_configs finished >> 2024-05-23 15:16:22 - INFO     - | DEBUG: Executing shell function >> dpkg_runbuild >> 2024-05-23 15:16:22 - INFO     - | sbuild (Debian sbuild) 0.85.0 (04 >> January 2023) on runner-czqurwfpg-project-10191315-concurrent-25-hauy0e5m >> 2024-05-23 15:16:22 - INFO     - | >> 2024-05-23 15:16:22 - INFO     - | >> +==============================================================================+ >> 2024-05-23 15:16:22 - INFO     - | | linux-cip-rt >> 5.10.214-cip46-rt19+r0 (arm64)  Thu, 23 May 2024 15:16:21 +0000 | >> 2024-05-23 15:16:22 - INFO     - | >> +==============================================================================+ >> 2024-05-23 15:16:22 - INFO     - | >> 2024-05-23 15:16:22 - INFO     - | Package: linux-cip-rt >> 2024-05-23 15:16:22 - INFO     - | Version: 5.10.214-cip46-rt19+r0 >> 2024-05-23 15:16:22 - INFO     - | Source Version: 5.10.214-cip46-rt19+r0 >> 2024-05-23 15:16:22 - INFO     - | Distribution: isar >> 2024-05-23 15:16:22 - INFO     - | Machine Architecture: amd64 >> 2024-05-23 15:16:22 - INFO     - | Host Architecture: arm64 >> 2024-05-23 15:16:22 - INFO     - | Build Architecture: amd64 >> 2024-05-23 15:16:22 - INFO     - | Build Profiles: kernel debian >> nolibcdev cross >> 2024-05-23 15:16:22 - INFO     - | Build Type: binary >> 2024-05-23 15:16:22 - INFO     - | >> 2024-05-23 15:16:22 - INFO     - | E: >> /etc/schroot/chroot.d/isar-builder-3cef593b-e753-4463-a544-cea3d14532e2-41541: Failed to stat file: No such file or directory >> 2024-05-23 15:16:22 - INFO     - | E: debconf-set-selections failed >> 2024-05-23 15:16:22 - INFO     - | Failed to set up chroot >> 2024-05-23 15:16:22 - INFO     - | E: Error creating chroot session: >> skipping linux-cip-rt >> (https://gitlab.com/cip-project/cip-core/isar-cip-core/-/jobs/6923376323) >> >> So, we are not finding in dpkg_runbuild the schroot we created just >> before. Looking at why the the former may look for a different schroot, >> this jumped at me: >> >> SBUILD_CHROOT ?= >> "${DEBDISTRONAME}-${SCHROOT_USER}-${ISAR_BUILD_UUID}-${@os.getpid()}" >> >> We are using some pid of the calling process here, and we assume that >> this pid is only taken once (or at least over the same process) so that >> there are no difference in SBUILD_CHROOT down the line. But if you look >> at the log above, that seems to have happened: the last number is >> different. >> >> I'm not yet understanding why the evaluation may happen multiple times >> and also why it then only rarely causes this, but I also wonder if we >> shouldn't better enforce an immediate, single evaluation of os.getpid to >> avoid that risk. >> >> Along this, I wonder why we make all those variables here weak. Is there >> really a use case for overwriting them? Not in-tree, apparently. >> >> Jan >> > Hello Jan, > > We've already faced with this floating issue and made some investigations. > As you mentioned, sbuild is using SBUILD_CHROOT value with PID of calling > process (which is locked to the task and shouldn't be changed during the > operation). But in some cases sbuild (which was started with correct > PID) got > other incorrect value. It can happen on different steps of the package > build > process, even on cleanup. > The most interesting finding is that this new incorrect PID is not just > random, > but it is a PID of other sbuild task executed on the same time in > parallel. It > means the issue is not in SBUILD_CHROOT expanding, because variables are > not sharing between different tasks. > So, the variable may actually also not be evaluated per task but at some point centrally? Then this is even more broken. Let's just use something like a task hash here, stable and still unique inside a run. Jan -- Siemens AG, Technology Linux Expert Center