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From: Francisco Ares <frares@gmail.com>
Date: Tue, 27 Aug 2013 09:14:06 -0300
Message-ID: <CAHH9eM61rQ0m7ZPmAyxyMuE7nB2M_ythCaHVZPDV1d+OmgK33Q@mail.gmail.com>
Subject: Re: [gentoo-user] grub2 or kernel config - unable to properly boot
To: gentoo-user <gentoo-user@lists.gentoo.org>
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--089e01537e4296548004e4ecd1c0
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2013/8/27 Francisco Ares <frares@gmail.com>
>
> 2013/8/27 Francisco Ares <frares@gmail.com>
>
>>
>> 2013/8/27 Francisco Ares <frares@gmail.com>
>>
>>>
>>> 2013/8/27 Michael Hampicke <mh@hadt.biz>
>>>
>>>> Am 26.08.2013 20:11, schrieb Francisco Ares:
>>>> > Hi, Michael, thanks for you reply.
>>>> >
>>>> > Please forgive me for not having mentioned grub2-mkconfig and
>>>> > grub2-install. The mentioned grub.cfg was a sample from a working
>>>> system,
>>>> > with legacy grub:0, from which I have recovered parts of the kernel
>>>> command
>>>> > line parameters.
>>>> >
>>>> > After "genkernel" finished to build the kernel, I've issued:
>>>> >
>>>> > grub2-mkconfig -o /boot/grub2/grub.cfg
>>>> > grub2-install /dev/sda
>>>> >
>>>> > Sorry for this.
>>>> > Francisco
>>>> On a failed boot, can you reach the rescue system from the initramfs?
>>>> (The message is something like "enter password for rescue or ctrl+d) If
>>>> so, are you able mount your actual root partiton (sda5) manually?
>>>>
>>>>
>>> No, unfortunately. But I am able to use the grub console prior to boot.
>>>
>>> By doing so, I have listed the command about to be used to boot the
>>> first entry in the grub menu, it installs some modules. In regard of file
>>> systems, it only loads a ext2 module, and the root partition is ext4
>>> formated.
>>>
>>> Although this kernel has ext2, ext3 and ext4 built in (not modules), can
>>> this be a cue? Right now I am preparing to format the root partition as
>>> ext2, just to check this out.
>>>
>>> Thanks again
>>> Francisco
>>>
>>>
>> It didn't work, so I suppose the embedded ext2, ext3 and ext4 in the
>> kernel is not the issue, and might be working. Going to explore the grub
>> console now.
>>
>> Thanks
>> Francisco
>>
>
>
> In the grub console, prior to boot, I was able to mount any partition
> using commands like:
>
> root=(hd0,msdos5)
>
> and then listing the directory tree structure with " ls / " gave the
> expected results.
>
> Francisco
>
>
I think I might have found it. Although I have selected in the kernel
"menuconfig" to compress the initramfs using gzip and deselected all other
decompression forms. a simple "file initramfs-xxx" told me that it was "XZ
compressed data", so now I am rebuilding the kernel with all decompression
algorithms built in.
I will (hope) soon post the results.
Thanks,
Francisco
--089e01537e4296548004e4ecd1c0
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
2013/8/27 Francisco Ares <span dir=3D"ltr"><<a href=3D"mailto:frares@gma=
il.com" target=3D"_blank">frares@gmail.com</a>></span><br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
rgb(204,204,204);padding-left:1ex">
<div dir=3D"ltr"><div><div class=3D"h5"><div class=3D"gmail_extra"><br><div=
class=3D"gmail_quote">2013/8/27 Francisco Ares <span dir=3D"ltr"><<a hr=
ef=3D"mailto:frares@gmail.com" target=3D"_blank">frares@gmail.com</a>></=
span><br>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir=3D"ltr"><div><div><div class=3D"gmail_extra"><br><div class=3D"gma=
il_quote">2013/8/27 Francisco Ares <span dir=3D"ltr"><<a href=3D"mailto:=
frares@gmail.com" target=3D"_blank">frares@gmail.com</a>></span><br><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
:1px solid rgb(204,204,204);padding-left:1ex">
<div dir=3D"ltr"><div><div><div class=3D"gmail_extra"><br><div class=3D"gma=
il_quote">2013/8/27 Michael Hampicke <span dir=3D"ltr"><<a href=3D"mailt=
o:mh@hadt.biz" target=3D"_blank">mh@hadt.biz</a>></span><br><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex">
Am <a href=3D"tel:26.08.2013%2020" value=3D"+12608201320" target=3D"_blank"=
>26.08.2013 20</a>:11, schrieb Francisco Ares:<br>
<div>> Hi, Michael, thanks for you reply.<br>
><br>
> Please forgive me for not having mentioned grub2-mkconfig and<br>
> grub2-install. The mentioned grub.cfg was a sample from a working syst=
em,<br>
> with legacy grub:0, from which I have recovered parts of the kernel co=
mmand<br>
> line parameters.<br>
><br>
> After "genkernel" finished to build the kernel, I've iss=
ued:<br>
><br>
> grub2-mkconfig -o /boot/grub2/grub.cfg<br>
> grub2-install /dev/sda<br>
><br>
> Sorry for this.<br>
> Francisco<br>
</div>On a failed boot, can you reach the rescue system from the initramfs?=
<br>
(The message is something like "enter password for rescue or ctrl+d) I=
f<br>
so, are you able mount your actual root partiton (sda5) manually?<br>
<br>
</blockquote></div><br></div></div></div><div class=3D"gmail_extra">No, unf=
ortunately. But I am able to use the grub console prior to boot.<br><br></d=
iv><div class=3D"gmail_extra">By doing so, I have listed the command about =
to be used to boot the first entry in the grub menu, it installs some modul=
es. In regard of file systems, it only loads a ext2 module, and the root pa=
rtition is ext4 formated.<br>
<br></div><div class=3D"gmail_extra">Although this kernel has ext2, ext3 an=
d ext4 built in (not modules), can this be a cue?=C2=A0 Right now I am prep=
aring to format the root partition as ext2, just to check this out.<br><br>=
</div>
<div class=3D"gmail_extra">Thanks again<span><font color=3D"#888888"><br></=
font></span></div><span><font color=3D"#888888"><div class=3D"gmail_extra">=
Francisco<br><br></div></font></span></div>
</blockquote></div><br></div></div></div><div class=3D"gmail_extra">It didn=
't work, so I suppose the embedded ext2, ext3 and ext4 in the kernel is=
not the issue, and might be working.=C2=A0 Going to explore the grub conso=
le now.<br>
<br>
</div><div class=3D"gmail_extra">Thanks<span><font color=3D"#888888"><br></=
font></span></div><span><font color=3D"#888888"><div class=3D"gmail_extra">=
Francisco<br></div></font></span></div>
</blockquote></div><br><br></div></div></div><div class=3D"gmail_extra">In =
the grub console, prior to boot, I was able to mount any partition using co=
mmands like:<br><br></div><div class=3D"gmail_extra">root=3D(hd0,msdos5)<br=
>
<br></div><div class=3D"gmail_extra">
and then listing the directory tree structure with " ls / " gave =
the expected results.<span class=3D""><font color=3D"#888888"><br><br></fon=
t></span></div><span class=3D""><font color=3D"#888888"><div class=3D"gmail=
_extra">
Francisco<br><br></div></font></span></div>
</blockquote></div><br><br></div><div class=3D"gmail_extra">I think I might=
have found it.=C2=A0 Although I have selected in the kernel "menuconf=
ig" to compress the initramfs using gzip and deselected all other deco=
mpression forms. a simple "file initramfs-xxx" told me that it wa=
s "XZ compressed data", so now I am rebuilding the kernel with al=
l decompression algorithms built in.<br>
<br></div><div class=3D"gmail_extra">I will (hope) soon post the results.<=
br><br></div><div class=3D"gmail_extra">Thanks,<br></div><div class=3D"gmai=
l_extra">Francisco<br></div></div>
--089e01537e4296548004e4ecd1c0--