From: "Emmanuel Blot" <eblot.ml@gmail.com>
To: "Rahul Atlury" <atlury@gmail.com>, ~alpine/users@lists.alpinelinux.org
Subject: Re: Issue with booting Alpine on an ARM SBC over the network
Date: Fri, 06 Sep 2019 18:03:59 +0200
Message-ID: <5CF1B25D-9D64-43B5-85E4-3926E178AA72@gmail.com>
In-Reply-To: <CABL0u0fi_RoqpS0g5XkBkM4GXDKY9MBOjofRE-U6ckVpeZ-vuQ@mail.gmail.com>
References: <3FF31619-6191-4FE4-BA8B-A89439F59C97@gmail.com>
 <CABL0u0fi_RoqpS0g5XkBkM4GXDKY9MBOjofRE-U6ckVpeZ-vuQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
 boundary="=_MailMate_ACE0D33E-AE89-4A27-AD68-3454C36BF819_="
Content-Transfer-Encoding: 8bit


--=_MailMate_ACE0D33E-AE89-4A27-AD68-3454C36BF819_=
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Transfer-Encoding: base64
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--=_MailMate_ACE0D33E-AE89-4A27-AD68-3454C36BF819_=
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE html>
<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/xhtml; charset=3Dutf-8"=
>
</head>
<body>
<div style=3D"font-family:sans-serif"><div style=3D"white-space:normal">
<p dir=3D"auto">Hi Rahul,</p>

<p dir=3D"auto">On 6 Sep 2019, at 17:06, Rahul Atlury wrote:</p>

</div>
<div style=3D"white-space:normal"><blockquote style=3D"border-left:2px so=
lid #777; color:#777; margin:0 0 5px; padding-left:5px"><p dir=3D"auto">D=
ear Emmanuel<br>
<br>
Let me check the below issues and get back to you</p>
</blockquote></div>
<div style=3D"white-space:normal">

<p dir=3D"auto">Ok, I found what I missed after digging a bit deeper into=
 the startup scripts:</p>

<p dir=3D"auto">modloop is not used by the initramfs scripts, but the som=
e of the Alpine packages (apks/) scripts.</p>

<p dir=3D"auto">I thought the load order was:</p>

<ol>
<li value=3D"1">vmlinuz</li>
<li value=3D"2">initramfs</li>
<li value=3D"3">modloop</li>
<li value=3D"4">packages</li>
</ol>

<p dir=3D"auto">because modloop-vanilla file was in the boot/ directory, =
and I failed to look further until I solved this issue.</p>

<p dir=3D"auto">It looks like the actual order is:</p>

<ol>
<li value=3D"1">vmlinuz</li>
<li value=3D"2">initramfs</li>
<li value=3D"3">packages (at least the main ones?)</li>
<li value=3D"4">modloop</li>
</ol>

<p dir=3D"auto">So defining the kernel command line as:</p>

<p dir=3D"auto">setenv bootargs "bootargs=3Dearlyprintk console=3DttyS0,1=
15200<br>
                   modules=3Dloop,dwmac-sun8i<br>
                   ip=3D${ipaddr}::${gatewayip}:${netmask}:opi0:eth0:none=
<br>
                   modloop=3Dhttp://${serverip}:8000/boot/modloop-vanilla=
<br>
                   alpine_repo=3Dhttp://${serverip}:8000/apks<br>
                   apkovl=3Dhttp://${serverip}:8000/alpine.apkovl.tar.gz"=
</p>

<p dir=3D"auto">Enable the loading of the /etc/init.d/ scripts, which in =
turn make use of modloop.</p>

<p dir=3D"auto">I=E2=80=99m not sure about the use/meaning of alpine.apko=
vl.tar.gz, but anyway: it now works.</p>

<p dir=3D"auto">I now need to rebuild a better uboot+spl binary, as the d=
efault I copied from Armbian does not allow to save the environment.</p>

<p dir=3D"auto">BR,<br>
Emmanuel.</p>
</div>
</div>
</body>
</html>

--=_MailMate_ACE0D33E-AE89-4A27-AD68-3454C36BF819_=--