From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C572ECAAD3 for ; Sun, 11 Sep 2022 17:58:38 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id A43B682456; Sun, 11 Sep 2022 17:58:37 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org A43B682456 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GSES1fUypZhi; Sun, 11 Sep 2022 17:58:36 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp1.osuosl.org (Postfix) with ESMTP id D308B81D35; Sun, 11 Sep 2022 17:58:35 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org D308B81D35 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ash.osuosl.org (Postfix) with ESMTP id 079AF1BF5D7 for ; Sun, 11 Sep 2022 17:58:35 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id D5CF4410E7 for ; Sun, 11 Sep 2022 17:58:34 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org D5CF4410E7 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VbmoVrQfZQWM for ; Sun, 11 Sep 2022 17:58:34 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org B3CB1410BA Received: from mail-vs1-xe2d.google.com (mail-vs1-xe2d.google.com [IPv6:2607:f8b0:4864:20::e2d]) by smtp4.osuosl.org (Postfix) with ESMTPS id B3CB1410BA for ; Sun, 11 Sep 2022 17:58:33 +0000 (UTC) Received: by mail-vs1-xe2d.google.com with SMTP id k2so6822372vsk.8 for ; Sun, 11 Sep 2022 10:58:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=0u5ic8cHLL+wFJRZCMH+UxVKzLF6norwhP7jp6xafdI=; b=mkQjvX07vsiAbzmmABUHnJzsy/3wO22jlsPTBwj/Qbt9niwDHuWA7Gf5oxqRsxrNly rZhrA/jx3ppV30aVN6617Zb2XcXhkN47/dUlS8gdgKKGrhxfGjrSLd0JlDo11l0XmsJ0 7DCdyd1Ck8OCTkypO5E1z37VO5ldBoX/QHmioqeZjn7nTx8vCw8zn+DWWv2rxrHw9H31 mPquNHsT4f7xW1fgbngxTPDvycxsliyF/WUe2wvflkb87K9MWT6MTjI2GetNiVkEWnbF 0sClpgAq+OJeQw5yL7CGep3cbySxQd6wrDaj/3X9OakwLcGhoC9H7jMbupEvIKHDJJu7 2yHw== X-Gm-Message-State: ACgBeo0+YzcmkuXtZbQDWxPAhGVzo5XbZ0RXzWjTuFfOzz2TCZjLFl1x lWNEH/taIduLzqn7zUMSYoKtxAJbyunhfza1ASdBUhN5ddI= X-Google-Smtp-Source: AA6agR4ygqPt7iFSSH+ItPgiOG6i8+xXqvRyzXN4sg9cI5HmdPvQfQTornzkcXGVJ19XrxZPJ3VNXRHW9H4zXbRuLuY= X-Received: by 2002:a05:6102:1511:b0:398:73bd:9b4d with SMTP id f17-20020a056102151100b0039873bd9b4dmr1395671vsv.33.1662919112254; Sun, 11 Sep 2022 10:58:32 -0700 (PDT) MIME-Version: 1.0 From: Zvi Vered Date: Sun, 11 Sep 2022 20:58:22 +0300 Message-ID: To: buildroot@buildroot.org X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date; bh=0u5ic8cHLL+wFJRZCMH+UxVKzLF6norwhP7jp6xafdI=; b=pkQIVt29i4h8neZvk1uXQQuvOZvmOfBB/zDRWfOHfk3CfMY2+9fsTvUvRXCL/wZSU9 whnbiIS5J9wQf2CUSSUcd7MpQqI1q2BinysmoqTfddGkzPJxo0KIau3FxnrBlWxhLX3M qnMfxJWi+Z5IH42ajIopzKVmBCQBRw5DfXSA/vEGled2Ymo4cXrGGlv9kS+/IU3FPQrM d5YHcU29WfucnLC3E14+ULxMZ7R34c8s0xJcS548asQ1O+1Ueqv8d3Z7O1NgyoylnW5Z jttQkF9/sY6RRyE9REoUi+HVBW9pQLm/R08fCNZITehCaYmqiK+Kyx0jU5AUE2MQ/SRY T7Qg== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=pkQIVt29 Subject: [Buildroot] 2022.02.1: read-only file system X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5362221192220086500==" Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" --===============5362221192220086500== Content-Type: multipart/alternative; boundary="000000000000f9e9b605e86a8679" --000000000000f9e9b605e86a8679 Content-Type: text/plain; charset="UTF-8" Hello, I'm using buildroot 2022.02.1 under x86 embedded SBC. The root file system is located on the on-board disk. The boot argument contains 'ro' (checked with /proc/cmdline after login) but the disk is not read-only. When I used the same boot args with busybox, it worked fine. Of course with busybox I had to tailor all other mandatory files and directories. I need read-only rootfs to defend this embedded system in case of power-down / cold reset. Beyond the default configuration, the rootfs also contains ntp client, httpd, pci tools. Thank you, Zvika --000000000000f9e9b605e86a8679 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,

I'm using buildroot 2022.02.= 1 under x86 embedded SBC.=C2=A0
The root file system is located o= n the on-board disk.=C2=A0
The boot argument contains 'ro'= ; (checked with /proc/cmdline after login) but the disk is not read-only.= =C2=A0

When I used the same boot args with busybox= , it worked fine.
Of course with busybox I had to tailor all othe= r mandatory files and directories.=C2=A0

I need re= ad-only rootfs to defend this embedded system in case of power-down / cold = reset.=C2=A0

Beyond the default configuration, the= rootfs also contains ntp client, httpd, pci tools.=C2=A0

Thank you,
Zvika=C2=A0

=C2=A0=C2= =A0

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