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Re: Cannot install Fedora Core 4



*sigh* yes, i'm sure... when i boot RHL9 off the hard disk it boots fine.
I'm using a laptop, there is no floppy drive.
any boot option i use panics. when i use it on my tower, it boots, but then hangs and can't even get past loading /sbin/loader.
starting to sound like fedora sucks...

Rick Stevens wrote:

On Mon, 2006-01-16 at 16:50 -0600, Russell Golden wrote:
that is the problem. it can't get that far. i get the "boot:" prompt, then when it tries to mount the root filesystem while booting the kernel off the CD, it says kernel panic - not syncing. VFS: cannot mount root filesystem on unknown block (8,3).
the boot: prompt is the only prompt i can reach

You mean that entering "linux rescue" at the "boot:" prompt off the
CD panics?  Are you SURE you're booting off the CD?  Get into your
BIOS and make SURE that the CD is checked BEFORE the hard drive.
Ideally, you should set the BIOS to boot in this sequence:

	floppy first
	CD/DVD second
	hard drive third
	network last


Rick Stevens wrote:

On Fri, 2006-01-13 at 19:47 -0600, Russell Golden wrote:


yeah small problem with that... none of the modes will boot.
unless you mean i should let the thing run through its kernel panic script...? I'm trying to install it on a laptop that doesn't have a floppy drive, might that have something to do with it?
Absolutely not.  You have to boot of the first CD in rescue mode.  That
means that you boot off the CD, then at the "boot:" prompt, put in
"linux rescue".  The system will boot of the CD and go look for your
Linux installation.  If it is found, then the system will ask you if you
want to mount it.  Answer "Yes".  The system will mount the installed
Linux system at "/mnt/sysimage" and drop you to a "#" prompt.  That's
when you put in the five commands:

	# chroot /mnt/sysimage
	# cd /boot
	# mkinitrd -v -f initrd-2.6.11-1.1369_FC4.img 2.6.11-1.1369_FC4
	# exit
	# exit

as I described earlier.  That rebuilds your initrd image and reinstalls
it.  Note that the "2.6.11-1.1369_FC4" bit refers to the kernel that was
installed (and that value is the kernel installed with FC4).  If you use
a different kernel, replace the above with your kernel version.



Rick Stevens wrote:

On Mon, 2006-01-09 at 18:48 -0600, Russell Golden wrote:


nope.
it goes into panic after displaying "VFS: please append a correct 'root=' boot option" or something to that effect. also says it can't find a device, then it gives (8,3), which i'm guessing is a location. the message saying it can't find the device comes before the VFS message. what is going on here?
It appears that the initrd file wasn't built with the ext3 filesystem
support module or the lvm system.  Boot off the first CD in rescue mode
and let the system search for and mount the existing system.  At the
"#" prompt, do the following:

	# chroot /mnt/sysimage
	# cd /boot
	# mkinitrd -v -f initrd-`2.6.11-1.1369_FC4.img 2.6.11-1.1369_FC4

Verify that the ext3 filesystem module gets loaded in, and if you're
using LVM, that the LVM modules get loaded as well.  When that's done:

	# exit
	# exit

(yes, two "exit" commands--the first exits the chroot environment, the
second terminates the rescue boot).  Pop the CD out and see if it'll
boot.



Oliver wrote:

try using acpi=off kernel boot option



*** mail checked - no virus found ***





For some reason, I can't install Fedora Core 4 on my laptop. I can get the boot: prompt, but then it can't mount the root filesystem (i guess from the CD) and goes into kernel panic. I've done the checksums, and
they add up correctly. What should I do?
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- Rick Stevens, Senior Systems Engineer     rstevens vitalstream com -
- VitalStream, Inc.                       http://www.vitalstream.com -
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-    First Law of Work:                                              -
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