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Fri, 8 Oct 2021 07:47:39 +0000 From: Florian Bezdeka To: isar-users@googlegroups.com Cc: jan.kiszka@siemens.com, henning.schild@siemens.com, Florian Bezdeka Subject: [PATCH 0/2] sshd-regen-keys: Fix boot hang on low end hardware Date: Fri, 8 Oct 2021 09:47:30 +0200 Message-Id: <20211008074732.212145-1-florian.bezdeka@siemens.com> X-Mailer: git-send-email 2.31.1 X-ClientProxiedBy: AM6P191CA0095.EURP191.PROD.OUTLOOK.COM (2603:10a6:209:8a::36) To AM0PR10MB1906.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:49::10) MIME-Version: 1.0 Received: from localhost (2a02:810d:82c0:38fc:30d6:ec3a:bc18:37f5) by AM6P191CA0095.EURP191.PROD.OUTLOOK.COM (2603:10a6:209:8a::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4566.15 via Frontend Transport; Fri, 8 Oct 2021 07:47:38 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a0e213d5-0e03-41e2-0cc7-08d98a2fe6a9 X-MS-TrafficTypeDiagnostic: AM0PR10MB2097: X-LD-Processed: 38ae3bcd-9579-4fd4-adda-b42e1495d55a,ExtAddr X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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dkim=pass header.i=@siemens.onmicrosoft.com header.s=selector1-siemens-onmicrosoft-com header.b=BTRJiPR9; 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 florian.bezdeka@siemens.com designates 40.107.7.48 as permitted sender) smtp.mailfrom=florian.bezdeka@siemens.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=siemens.com 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-getmail-retrieved-from-mailbox: INBOX Hi, when booting a Debian 11 based ISAR image with sshd-regen-keys enabled on low end systems it could happen that the first boot took too long so that the configured timeout for serial console systemd units was hit. It turned out that running sshd-regen-keys in parallel to systemd-random-seed is not the best idea. Patch one fixes that by moving the start of sshd-regen-keys after the point in time where systemd-random-seed completed. Patch two fixes two warnings that were discovered on Debian 11. I tested that with Debian 10 as well. Worked as expected. Best regards, Florian Florian Bezdeka (2): sshd-regen-keys: Start key generation after entropy seed sshd-regen-keys: Fix some systemd obsolete warnings about using syslog .../sshd-regen-keys/files/sshd-regen-keys.service | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)