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Old 08-29-2003, 07:16 PM   #1
dcarle
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Registered: Aug 2003
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Redhat 9 (or just Redhat?)


VFS: Cannot open root device "LABEL=/" or 00:00)

IActually after "playing" for a month trying to install a Speedtouch USB modem on linux I went back to the beginning, re-installing Redhat 9. I made sure this time that I install the package for my sound card ( a very rare one, SB Live! (!!!!)). The sound card does not work but it does not matter for now, I did it before, so there is a way but not the "Redhat" way.

So, after re-installing the whole package I tried to rebuild the kernel after making only one change (specifying my CPU as P4 instead of the defaut PIII). 1st "make install" did not work (/lib/modules/2.4.20-8custom is not a directory). Lousy Makefile! Ok, I will create it for you. The "make install" worked after that.

Same problem, cannot boot from the custom kernel. (VFS: Cannot open root device "LABEL=/" or 00:00)

I have over 10 years experience as a Unix administrator (HP-UX). I am new to Linux and guess what?

I am thinking about Bill Gates when I see that a corporation who is endorsing Linux put stuff like that on the market.

I feel a bit better now, hopping that I am writing to someone who is not going to reply with a link or tell me "did you read the HOWTO?".

;o)

Daniel
 
Old 08-29-2003, 07:18 PM   #2
dcarle
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Registered: Aug 2003
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P.S.: How about Mandrake ? :0)
 
Old 08-29-2003, 07:23 PM   #3
DrOzz
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Registered: May 2003
Location: Sydney, Nova Scotia, Canada
Distribution: slackware
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i find that mandrake and redhat are basically the same in a sense....and i think mandrake is more so closer to being like windows than redhat....which is just imo...
anyways try this you might be missing a step..:
a guide i wrote for kernel compile
 
Old 08-29-2003, 11:35 PM   #4
hawkph
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Location: Hermitage, TN
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I too find that Mandrake is a nicer distro for a Windoze-style environment. It has an mplayer application that plays most mpeg videos nicely, while Redhat 9 will install mplayer but do nothing with it. Redhat, IMHO, is more geared toward a work environment or an actual server. i.e., if you want to work, use Redhat, if you want to play, use Mandrake.
 
Old 08-30-2003, 07:26 AM   #5
dcarle
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Thanks DrOzz. I followed your guide but it still does not boot. What I did before is basically what you are describing in your guide except that the grub-install was missing (I think...). The other difference is that the new kernel does not replace the old one, it is added as a "custom" kernel. I can still boot from the original one but not from the custom one.

There is also another error before the VFS: Cannot open root device "LABEL=/" or 00:00

NET4: Unix domain sockets 1.0/SMP for linux NET4.0
ds: no socket drivers loaded!

I managed to get multiple (working!) kernel boot on my previous installation. Those were created through Redhat upgrades not by me. It seems that I can not reboot from a rebuilt Kernel even if I did not change anything from the original one. The custom kernel I created SHOULD be a copy of the original one from Redhat.
 
Old 09-02-2003, 10:20 PM   #6
Dan46628
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Registered: May 2003
Location: South Bend, IN
Distribution: Red Hat 9.0
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I have the same boot problem. So far I have found that the mrproper resets everything, so you probably need to change things in the x-config, like removing SMP. I think the problem is from compiling scsi support into the kernel, and not actually having a scsi drive to boot from. I am going to change scsi support to a module and see if it helps.

The other problem I had was not compiling EXT3 file system into kernel, that gave me a few other problems, but I am down to the error of "VFS: unable to mount root fs on 00:00"
 
Old 09-03-2003, 06:16 AM   #7
dcarle
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Keep me posted! I tried "make oldconfig" thinking that the kernel would be the same as the initial installation. Still the same problem.

I am a bit confused about the initrd file. I noticed that the custom one is about half the size of the original one. I also did a make mrproper with no good result. Is there a way to get the original config file that was used for the initial installation?
 
Old 09-04-2003, 10:50 AM   #8
Dan46628
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Registered: May 2003
Location: South Bend, IN
Distribution: Red Hat 9.0
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You need to compile Ram Disk into the Kernel. The rd of initrd must stand for ram disk, and the kernel boot process must be setting up a ram disk so it can decompile from the initrd image file on boot up.

After I made this change, the kernel has been booting for me.
 
  


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