Re: Got a boot error when I restarting up

"Wes Wagner" <[email protected]> Fri, 15 Jun 2007 11:12:55 -0700
Newsgroups gmane.linux.cluster.openmosix.general
Message-ID <[email protected]>
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I recommend using subversion to download out of the 2.6 svn - the details of
which can be found here:

http://howto.x-tend.be/openMosixWiki/index.php/OpenMosix2.6

The base vanilla kernel that is used for the patch is included in the SVN,
thus everything will stay consistent. I use gentoo, so I don't have
experience with what will happen to your packages when you boot a
2.6.17open mosix kernel (which is the current SVN kernel version)

As I said, I use gentoo, but all I do to is follow the instructions for
setupenv, run my make menuconfig - am very careful to build all the
components I need into the kernel rather than loadable modules (such as
ext3, lvm, graphics, etc.) and you will probably want to build openmosix for
debug (you will need it as there are still bugs - plus I use omuscd which is
still beta and requires debug turned on).

In short, don't use CVS - checkout the source using subversion, also install
and familiarize yourself with quilt in the event that you need to fix a bug
and submit it back for inclusion into the source tree.

Also, best of luck :) I am really trying to get 2.6 running for genetic
programming over here and I will be doing what I can to help the project.
Some of the things we need a 2.4 kernel is not an option - so I have to
power through and get 2.6 working.

Sincerely,
Wes Wagner


On 6/15/07, yong lee <ylee_95116-/[email protected]> wrote:
>
> Wes, thank you for your helpful suggestions. In your
> previous email (I quoted below) you indicated that it
> is possible to get a vanilla kernel plus the patches
> so I can rebuild the openMosix kernel specifically for
> my machine. Would you please point me to the right
> locations to get these files because I was quickly
> lost when I looked at the source tree with the web
> browser as I did not know what and how to get.
>
> I need a CVS client to get these files, right ? If so,
>
> Would you please provide me some examples with
> commands to get the 2.6 kernel and the patches. I have
> just installed WinCVS in a Windows 2000 machine, but I
> can install a Linux client if it is what it takes to
> get the source code.
>
> I am documenting all these steps at the mean time. I
> hope these steps will he useful for the community
> later.
>
> Below is a quote from you earlier email for the
> subject - getting a kernel 2.6.x source code patch.
> "The subversion source tree has the vanilla kernel
> plus the patches in it. Ultimately I decided to use
> gentoo for the flexibility of emerge - so I don't have
> much experience with any eccentricities of debian."
>
> Many thanks.
>
> Yong
>
>
>
> --- Wes Wagner <[email protected]> wrote:
>
> > Yup, I find that it is just much cleaner and easier
> > since you are building a
> > kernel for a very static piece of hardware (how
> > often do you change your
> > master node on a cluster?) it is much easier to just
> > build a lean kernel
> > that has only what you need and compile it all in,
> > rather than going through
> > the trouble of complicated module loading in grub.
> >
> > I also network boot my diskless nodes, so yes it
> > does take a little longer
> > to boot with a heavier kernel which may have some
> > hardware support in it
> > that a slave node does not need, but I consider it
> > pretty negligible.
> >
> > -Wes Wagner
> >
> >
> > On 6/14/07, Peter Marheine <[email protected]>
> > wrote:
> > >
> > > That, or you don't have your disc controller
> > drivers compiled into the
> > > kernel (or both).
> > >
> > > On 6/14/07, Wes Wagner < [email protected]>
> > wrote:
> > > >
> > > > Compile your kernel with your file system
> > support built in rather than a
> > > > loadable module.
> > > >
> > > > -Wes Wagner
> > > >
> > > >
> > > >
> > > > On 6/14/07, yong lee < ylee_95116-/[email protected]>
> > wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > I am not an openMosix expert. I hope someone
> > would
> > > > > kindly help me or give me some suggestions to
> > fix the
> > > > > problem.
> > > > >
> > > > > I just installed openMosix-kernel-2.6.15-BETA
> > package
> > > > > for my debian machine. I converted its
> > installation
> > > > > package from the .rpm format to a .deb format
> > using
> > > > > alien command. After the installation and a
> > reboot,
> > > > > the machine hung and shrew the following
> > errors:
> > > > >
> > > > > VFS: Cannot open root device "sda1" or
> > > > > unknown-block(0,0)
> > > > > Please append a correct "root=" boot option
> > > > > Kernel panic- not syncing: VFS: Unable to
> > mount root
> > > > > fs on unknown-block(0,0)
> > > > >
> > > > > Please help. Many thanks
> > > > >
> > > > > Yong
> > > > >
> > > > >
> > > > >
> >
>
> ____________________________________________________________________________________
> > > > >
> > > > > Shape Yahoo! in your own image.  Join our
> > Network Research Panel
> > > > > today!
> >
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> > > > >
> > > > >
> >
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> > _______________________________________________
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> > > > >
> >
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> >
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> > > > _______________________________________________
> > > > openMosix-general mailing list
> > > > openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> > > >
> >
> https://lists.sourceforge.net/lists/listinfo/openmosix-general
> > > >
> > > >
> > >
> > >
> > > --
> > > Everyone is a moron.
> > > People will believe most anything you tell them.
> > > There is no cure.
> > > Don't Panic
> >
>
>
>
>
>
> ____________________________________________________________________________________
> Looking for a deal? Find great prices on flights and hotels with Yahoo!
> FareChase.
> http://farechase.yahoo.com/
>

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I recommend using subversion to download out of the 2.6 svn - the details of which can be found here:<br><br><a href="http://howto.x-tend.be/openMosixWiki/index.php/OpenMosix2.6">http://howto.x-tend.be/openMosixWiki/index.php/OpenMosix2.6
</a><br><br>The base vanilla kernel that is used for the patch is included in the SVN, thus everything will stay consistent. I use gentoo, so I don&#39;t have experience with what will happen to your packages when you boot a 
2.6.17 open mosix kernel (which is the current SVN kernel version)<br><br>As I said, I use gentoo, but all I do to is follow the instructions for setupenv, run my make menuconfig - am very careful to build all the components I need into the kernel rather than loadable modules (such as ext3, lvm, graphics, etc.) and you will probably want to build openmosix for debug (you will need it as there are still bugs - plus I use omuscd which is still beta and requires debug turned on). 
<br><br>In short, don&#39;t use CVS - checkout the source using subversion, also install and familiarize yourself with quilt in the event that you need to fix a bug and submit it back for inclusion into the source tree.<br>
<br>Also, best of luck :) I am really trying to get 2.6 running for genetic programming over here and I will be doing what I can to help the project. Some of the things we need a 2.4 kernel is not an option - so I have to power through and get 
2.6 working. <br><br>Sincerely,<br>Wes Wagner<br><br><br><div><span class="gmail_quote">On 6/15/07, <b class="gmail_sendername">yong lee</b> &lt;<a href="mailto:ylee_95116-/[email protected]">ylee_95116-/[email protected]</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Wes, thank you for your helpful suggestions. In your<br>previous email (I quoted below) you indicated that it
<br>is possible to get a vanilla kernel plus the patches<br>so I can rebuild the openMosix kernel specifically for<br>my machine. Would you please point me to the right<br>locations to get these files because I was quickly
<br>lost when I looked at the source tree with the web<br>browser as I did not know what and how to get.<br><br>I need a CVS client to get these files, right ? If so,<br><br>Would you please provide me some examples with<br>
commands to get the 2.6 kernel and the patches. I have<br>just installed WinCVS in a Windows 2000 machine, but I<br>can install a Linux client if it is what it takes to<br>get the source code.<br><br>I am documenting all these steps at the mean time. I
<br>hope these steps will he useful for the community<br>later.<br><br>Below is a quote from you earlier email for the<br>subject - getting a kernel 2.6.x source code patch.<br>&quot;The subversion source tree has the vanilla kernel
<br>plus the patches in it. Ultimately I decided to use<br>gentoo for the flexibility of emerge - so I don&#39;t have<br>much experience with any eccentricities of debian.&quot;<br><br>Many thanks.<br><br>Yong<br><br><br>
<br>--- Wes Wagner &lt;<a href="mailto:[email protected]">[email protected]</a>&gt; wrote:<br><br>&gt; Yup, I find that it is just much cleaner and easier<br>&gt; since you are building a<br>&gt; kernel for a very static piece of hardware (how
<br>&gt; often do you change your<br>&gt; master node on a cluster?) it is much easier to just<br>&gt; build a lean kernel<br>&gt; that has only what you need and compile it all in,<br>&gt; rather than going through<br>&gt; the trouble of complicated module loading in grub.
<br>&gt;<br>&gt; I also network boot my diskless nodes, so yes it<br>&gt; does take a little longer<br>&gt; to boot with a heavier kernel which may have some<br>&gt; hardware support in it<br>&gt; that a slave node does not need, but I consider it
<br>&gt; pretty negligible.<br>&gt;<br>&gt; -Wes Wagner<br>&gt;<br>&gt;<br>&gt; On 6/14/07, Peter Marheine &lt;<a href="mailto:[email protected]">[email protected]</a>&gt;<br>&gt; wrote:<br>&gt; &gt;<br>&gt; &gt; That, or you don&#39;t have your disc controller
<br>&gt; drivers compiled into the<br>&gt; &gt; kernel (or both).<br>&gt; &gt;<br>&gt; &gt; On 6/14/07, Wes Wagner &lt; <a href="mailto:[email protected]">[email protected]</a>&gt;<br>&gt; wrote:<br>&gt; &gt; &gt;<br>
&gt; &gt; &gt; Compile your kernel with your file system<br>&gt; support built in rather than a<br>&gt; &gt; &gt; loadable module.<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; -Wes Wagner<br>&gt; &gt; &gt;<br>&gt; &gt; &gt;<br>&gt; &gt; &gt;
<br>&gt; &gt; &gt; On 6/14/07, yong lee &lt; <a href="mailto:ylee_95116-/[email protected]">ylee_95116-/[email protected]</a>&gt;<br>&gt; wrote:<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; Hi,<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; I am not an openMosix expert. I hope someone
<br>&gt; would<br>&gt; &gt; &gt; &gt; kindly help me or give me some suggestions to<br>&gt; fix the<br>&gt; &gt; &gt; &gt; problem.<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; I just installed openMosix-kernel-2.6.15-BETA
<br>&gt; package<br>&gt; &gt; &gt; &gt; for my debian machine. I converted its<br>&gt; installation<br>&gt; &gt; &gt; &gt; package from the .rpm format to a .deb format<br>&gt; using<br>&gt; &gt; &gt; &gt; alien command. After the installation and a
<br>&gt; reboot,<br>&gt; &gt; &gt; &gt; the machine hung and shrew the following<br>&gt; errors:<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; VFS: Cannot open root device &quot;sda1&quot; or<br>&gt; &gt; &gt; &gt; unknown-block(0,0)
<br>&gt; &gt; &gt; &gt; Please append a correct &quot;root=&quot; boot option<br>&gt; &gt; &gt; &gt; Kernel panic- not syncing: VFS: Unable to<br>&gt; mount root<br>&gt; &gt; &gt; &gt; fs on unknown-block(0,0)<br>&gt; &gt; &gt; &gt;
<br>&gt; &gt; &gt; &gt; Please help. Many thanks<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; Yong<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>&gt;<br>____________________________________________________________________________________
<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; Shape Yahoo! in your own image.&nbsp;&nbsp;Join our<br>&gt; Network Research Panel<br>&gt; &gt; &gt; &gt; today!<br>&gt;<br><a href="http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7">
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<br>&gt; &gt; &gt; &gt; This SF.net email is sponsored by DB2 Express<br>&gt; &gt; &gt; &gt; Download DB2 Express C - the FREE version of<br>&gt; DB2 express and take<br>&gt; &gt; &gt; &gt; control of your XML. No limits. Just data.
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&gt; &gt; &gt; &gt; openMosix-general mailing list<br>&gt; &gt; &gt; &gt; <a href="mailto:openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org">openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org</a><br>&gt; &gt; &gt; &gt;<br>&gt;<br><a href="https://lists.sourceforge.net/lists/listinfo/openmosix-general">
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<br>&gt; &gt; &gt; This SF.net email is sponsored by DB2 Express<br>&gt; &gt; &gt; Download DB2 Express C - the FREE version of DB2<br>&gt; express and take<br>&gt; &gt; &gt; control of your XML. No limits. Just data. Click
<br>&gt; to get it now.<br>&gt; &gt; &gt; <a href="http://sourceforge.net/powerbar/db2/">http://sourceforge.net/powerbar/db2/</a><br>&gt; &gt; &gt; _______________________________________________<br>&gt; &gt; &gt; openMosix-general mailing list
<br>&gt; &gt; &gt; <a href="mailto:openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org">openMosix-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org</a><br>&gt; &gt; &gt;<br>&gt;<br><a href="https://lists.sourceforge.net/lists/listinfo/openmosix-general">
https://lists.sourceforge.net/lists/listinfo/openmosix-general</a><br>&gt; &gt; &gt;<br>&gt; &gt; &gt;<br>&gt; &gt;<br>&gt; &gt;<br>&gt; &gt; --<br>&gt; &gt; Everyone is a moron.<br>&gt; &gt; People will believe most anything you tell them.
<br>&gt; &gt; There is no cure.<br>&gt; &gt; Don&#39;t Panic<br>&gt;<br><br><br><br><br>____________________________________________________________________________________<br>Looking for a deal? Find great prices on flights and hotels with Yahoo! FareChase.
<br><a href="http://farechase.yahoo.com/">http://farechase.yahoo.com/</a><br></blockquote></div><br>

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