From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 4553C158020 for ; Fri, 9 Dec 2022 18:39:52 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id E1971E0891; Fri, 9 Dec 2022 18:39:46 +0000 (UTC) Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id A721BE0877 for ; Fri, 9 Dec 2022 18:39:46 +0000 (UTC) Received: by mail-lf1-x12c.google.com with SMTP id b3so8376791lfv.2 for ; Fri, 09 Dec 2022 10:39:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=OqaexgDg0XJbz5XGuW67Fa1jGADZmzE58jFfalNCm2o=; b=BDv/fs1+/HJxUU0gt+dZDpMqlw5rsYdl3BZ3olItu1Z9GlYxuzTkIYTF9/cxaGCuwn vzpmOQ8JbsYGaJmoftkZnqHu6Au4XikrWAZMhMlYjcYjrzOOiSdzTkEr804NMpG7fOtx X6vk5ixR9BdEQh1yV6p4mk0sGCFntknQzgUFL9P/ikF5C+UJD1ishAxIbGytozXN9yXJ YyVb+MAJbBXQ42B1PG4+ki2n8JEi2ZukeEQHQf7HO9/oFEhNHtIkMpClQplJKJ4yXFsU +OgyBUW586ZAK2JoXVlCpOe+WZRvNoljO092ge7UK+t5Huk+8U/Xn1oWM6F6QKkwPMU9 q2Fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OqaexgDg0XJbz5XGuW67Fa1jGADZmzE58jFfalNCm2o=; b=xl7mDDeaohAc0QpFy17fMn4qbGb+EYjiv53ac6fjysWziKkgI5g2GYSG0FcrkYcGJ3 tnyLzSOd5GpWoh8Us61TWT5qZ5YjUAbtA/IqtDmKjEzIKo+sSmJ0r94s55mkFDDiQut+ dAVNR0Gj4ITOWGuTw9ejZ2SkUd74o4uVU954OU0v3HhR3sOJjmpOTsWke2ttuLLIYUEW icLFvQghcjqV+sed+/eurihDl9yJQOBj5Kf94rbe33DF8XmFyGJoEhog10Q05p66O179 x0YTO7jiPHN+W/Dc0RxHGmf0quHMfFLoSHceeGgAKKIyLWYA+cV77gZ37hwHxFGD0Fpi SyPw== X-Gm-Message-State: ANoB5pkt3z/V3I8wcr7nmOr1qaI8icwYoXU7xaa9BzKlC/DjzsGBNgFk CpTWtmSINQOnbCAJRI+1YCjacwqMA9nSR9bQIXMVRucG X-Google-Smtp-Source: AA0mqf72EN4mWJCYwUMMQ4H2wXUoFf9pBZQ69TZoVSBUce1qAmQJ6W/BFOTQHGN5sx7qmW1+eH3RcScBf92YZhqa1NM= X-Received: by 2002:ac2:57d0:0:b0:4a2:60b4:aac3 with SMTP id k16-20020ac257d0000000b004a260b4aac3mr29969511lfo.364.1670611184706; Fri, 09 Dec 2022 10:39:44 -0800 (PST) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 References: <1787550.8hzESeGDPO@lenovo.localdomain> In-Reply-To: <1787550.8hzESeGDPO@lenovo.localdomain> From: Mark Knecht Date: Fri, 9 Dec 2022 11:39:33 -0700 Message-ID: Subject: Re: [gentoo-user] Duel boot - How to verify boot loader updates? To: gentoo-user@lists.gentoo.org Content-Type: multipart/alternative; boundary="00000000000038e8c605ef697ad0" X-Archives-Salt: cc36d340-2ade-4a5f-a80b-0c03c62f87e0 X-Archives-Hash: 88e1eca7facb948083a004322c3cedf0 --00000000000038e8c605ef697ad0 Content-Type: text/plain; charset="UTF-8" On Fri, Dec 9, 2022 at 10:57 AM Michael wrote: > > On Friday, 9 December 2022 17:17:24 GMT Mark Knecht wrote: > > It's not totally a thought experiment. One machine I have which > > is dual boot recently complained that the original disk grub was > > installed on had changed when in fact there hadn't been any > > hardware changes and I had to carefully figure out how to > > answer a couple of questions. After the fact I started to wonder > > about this edge case. > > > > I think it comes down to reading what's on the disk with a > > hex editor possibly but I know nothing about what to expect > > there. > > > > Thanks, > > Mark > > Before I venture a potentially wrong answer, could you please clarify if we > are talking about a UEFI MoBo, or a legacy BIOS MoBo. The specific machine where this happened is UEFI. Thanks --00000000000038e8c605ef697ad0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Fri, Dec 9, 2022 at 10:57 AM Michael <confabulate@kintzios.com> wrot= e:
>
> On Friday, 9 December 2022 17:17:24 GMT Mark Knecht wrot= e:
<SNIP>
> > It's not totally a thought experiment. = One machine I have which
> > is dual boot recently complained that= the original disk grub was
> > installed on had changed when in f= act there hadn't been any
> > hardware changes and I had to ca= refully figure out how to
> > answer a couple of questions. After = the fact I started to wonder
> > about this edge case.
> >= ;
> > I think it comes down to reading what's on the disk with= a
> > hex editor possibly but I know nothing about what to expect=
> > there.
> >
> > Thanks,
> > Mark>
> Before I venture a potentially wrong answer, could you please= clarify if we
> are talking about a UEFI MoBo, or a legacy BIOS MoBo= .

The specific machine where this happened is UEFI.

Thanks
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