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Wed, 3 Jun 2026 11:56:41 +0000 From: "'MOESSBAUER, Felix' via isar-users" To: "isar-users@googlegroups.com" Subject: Re: [PATCH 1/1] isar-apt: fix race-condition in do_cache_config Thread-Topic: [PATCH 1/1] isar-apt: fix race-condition in do_cache_config Thread-Index: AQHc806dgCFyGz3Iek+pLgZqgaJ7ebYsuXeA Date: Wed, 3 Jun 2026 11:56:41 +0000 Message-ID: <637973be3794202fa627f6026e8a826275d68670.camel@siemens.com> References: <20260603114618.3291059-1-felix.moessbauer@siemens.com> In-Reply-To: <20260603114618.3291059-1-felix.moessbauer@siemens.com> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.56.2-9 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: AS8PR10MB7254:EE_|DB9PR10MB6715:EE_ x-ms-office365-filtering-correlation-id: ae6bf985-d397-48e7-29e6-08dec1672d25 x-ms-exchange-atpmessageproperties: SA x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|366016|376014|55112099003|38070700021|6133799003|56012099006|11063799006|18002099003|22082099003; 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charset="UTF-8" Content-ID: MIME-Version: 1.0 X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AS8PR10MB7254.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: ae6bf985-d397-48e7-29e6-08dec1672d25 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2026 11:56:41.6010 (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: Fx46R25aaY1RPuNKW5IHhbHFPkkrO1QT5mw8MqXF5NIdgx9ZNzPwPyLBE17/XCDIH8yOWvt6mU3l8OR17R5IOTLqNF5UXBZnP+d3wx2QHyI= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR10MB6715 X-Original-Sender: felix.moessbauer@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=selector2 header.b=RpLLXaLz; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of felix.moessbauer@siemens.com designates 2a01:111:f403:c202::7 as permitted sender) smtp.mailfrom=felix.moessbauer@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: "MOESSBAUER, Felix" Reply-To: "MOESSBAUER, Felix" Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, RCVD_IN_RP_CERTIFIED,RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: k5xeaE4j0Up1 On Wed, 2026-06-03 at 13:46 +0200, Felix Moessbauer wrote: > Repo configuration operations on the isar apt have to happen while > holding the isar lock. However, bitbake executes the cleandirs operation > without holding the lock, introducing a race-condition that sporadically > breaks the build with the following error: > > Error opening config file '/isar/build/tmp/deploy/isar-apt/ > debian-trixie/apt/debian-trixie/conf/distributions': No such file > or directory(2) > > We fix this by open-coding the cleandirs logic inside the function and > by that under the lock. > > Fixes: be290896 ("isar-apt: support further optional fields ...") PS: Commit "Revert "Split up isar-apt into distro-arch specific instances" probably made it much more likely to run into the race- condition, but the race was there before. Felix -- You received this message because you are subscribed to the Google Groups "isar-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/isar-users/637973be3794202fa627f6026e8a826275d68670.camel%40siemens.com.