From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6982225001537601536 X-Received: by 2002:a05:6512:20ca:: with SMTP id u10mr25411491lfr.323.1625754919353; Thu, 08 Jul 2021 07:35:19 -0700 (PDT) X-BeenThere: isar-users@googlegroups.com Received: by 2002:a05:6512:3f94:: with SMTP id x20ls138238lfa.0.gmail; Thu, 08 Jul 2021 07:35:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyLTFncJ4XubRahOL+piEkBhiQBA/tMqdh568VHCyDQIPdPIN9UQR0z//FmJXxxh1+YrwSE X-Received: by 2002:a05:6512:3886:: with SMTP id n6mr23228063lft.419.1625754918309; Thu, 08 Jul 2021 07:35:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1625754918; cv=none; d=google.com; s=arc-20160816; b=P7UKqEJC/ktOfQnVDeMFz2jdvDfKf3tr301FTtJ/Prj0my7VTHSNGut5w8SwEjOEZY YOKn48ILjMEst72FhcZ0XdY/hF/icSngwEDzIFnsR+KczJGduM7f3CVC07oyq2KzXOOp /o0kqiTLm1zhMgUB69uHBGx42/gXvS2KHLo/M1irazG/YedDoIp19+fqiBpoTQxX1jG0 2EjV8bdZAhIAyKXU1Ts3HPkTw4Sbq378r4/H2v1IvDLMz7VxeLQ/P2iLUoeaGg4Al1iA QEk7rqVHFqakaYhFmusVmAcusjrWY/q+132wGvHuKjFnvUSH5x8rYCxX6kvXEyBbB0vZ W/ug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-language:content-transfer-encoding:in-reply-to:mime-version :user-agent:date:message-id:from:references:to:subject; bh=LoZA1XKQJyrsKK5dQbd+viiJOffnfuI72stLg1Gsox4=; b=dWKxRjwLQA7F+ZpsyaUEbEpnfr7vuW353XomtaVboLVy8PfNsMzFDlmqVljfMWwasj nia07Mp6hk7+CEXKhWVatuWke/u+JN8xmhQcc+bpWcpRpugvE6FJWO4DDWnUZ61p4NLq M0xfx/l/Vj/OjOneiHhYzRj2pSivt+16XAqfyL+QjVGC7S75+QXz79zNu0Qad2ymc1xl 0RGLnoJ6fkzeXftd6EMexOX701LD5TQDhML2uITg/EjSqa+VVAWrps1eT0kraaPN8PvM DKXj0j/iS2AKv54aP/JI8DPfZldqq5U3/bqPqX/B00kQh+t7gSXOIfZTQfeYgQJR7k/E 0vUQ== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=amikan@ilbers.de Return-Path: Received: from shymkent.ilbers.de (shymkent.ilbers.de. [85.214.156.166]) by gmr-mx.google.com with ESMTPS id d6si68154lfk.4.2021.07.08.07.35.18 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Jul 2021 07:35:18 -0700 (PDT) Received-SPF: pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) client-ip=85.214.156.166; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=amikan@ilbers.de Received: from [192.168.67.164] (mm-191-69-214-37.mgts.dynamic.pppoe.byfly.by [37.214.69.191] (may be forged)) (authenticated bits=0) by shymkent.ilbers.de (8.15.2/8.15.2/Debian-8) with ESMTPSA id 168EZGXc007504 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 8 Jul 2021 16:35:17 +0200 Subject: Re: [PATCH v1 3/5] dpkg: Remove unmount loop To: Jan Kiszka , isar-users@googlegroups.com References: <20210707163851.204296-1-amikan@ilbers.de> <20210707163851.204296-4-amikan@ilbers.de> <18078814-c9c0-b46b-af32-17058c39f036@siemens.com> From: Anton Mikanovich Message-ID: <9a6c1b19-c9ad-e2b7-fbbf-d3b0ae2dda88@ilbers.de> Date: Thu, 8 Jul 2021 17:35:11 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <18078814-c9c0-b46b-af32-17058c39f036@siemens.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED 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: fFhLLqrvdfyN 08.07.2021 15:21, Jan Kiszka wrote: > This is very likely wrong: We know from the past (should be in the git > history, e.g 17d0842d) that not all subprocesses started inside the > chroot may have been terminated when we left it. That can cause > significant delays between returning from chroot and finding non-busy > mount points to complete all umounts. Now, if you silently fail umounts, > you may find inconsistently mounted chroots on the next recipe that > tries to remount them. Big fat warning sign...! > > Jan Is that really correct to left background processes running from chroot? Even if it is, we need to control it not to let it run forever. Not sure how to deal with that. Set maximum run time maybe? -- Anton Mikanovich Promwad Ltd. External service provider of ilbers GmbH Maria-Merian-Str. 8 85521 Ottobrunn, Germany +49 (89) 122 67 24-0 Commercial register Munich, HRB 214197 General Manager: Baurzhan Ismagulov