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fedora-11-x64_86 after install reboot to Error 15



installed Fedora-11-x64_86-DVD.iso   tested disk OK  installed on 500 gig drive partitioned /dev/sda1 and the last 9999 whatever as swap.
 "partition sda to sda1 ext3" means that /dev/sda1 was set to ext3 and also /dev/sda2 was swap.
 This was done because in other past install of fc-8 x64 and centos 5.3 x64  and fc-11 x64 if I allowed anaconda to
 nobrain do it's own thing a reboot resulted in grub coming up and then the boot would hang as it could not find whatever
 or it said it did no like or know what an 0x8e fs was  0x8e is ext4 I think.   So the only way I could get fc8 or centos 5.3
 grub to not wet it's pants in confusion was to use the custom partition in the install and delete all lvm whatever and
 set it explicitly

But Error 15  duuhhhhh

so
I installed FC-10 on /dev/sdb1, left FC-11 on /dev/sda1.   first after install reboot failed.   I played with a application supergrub. it's like doing a rescue but scan for grub instalations
and the lets you chose one and edit the grub lines.   After watching the fails and the error messages I kinda thought that the device number was wrong so I changed hd(0,0) to hd(1,0) and
set the root=/dev/sda1  that was the problem.  then I added 2nd boot of FC-10 to grub.conf  below is the edited grub file. 
Also as I suspected to get FC-10 to boot I had to rename /etc/init.d/cpuspeed  By renaming it is skipped in boot process.

bascially it seems "whatever" gets the device hd0,0 wrong.   I don't know all the current  jargon of obfuscation of what you call what.
I believe this because my motherboard is all sata and has no ide, supermicro c2sbe  but c2sba version has ide interfaces

but I call it a bug.

http://toms.homeip.net/tmp/

 [ 26 ] > cat grub.conf.xen1
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/sda1
#          initrd /boot/initrd-version.img
#boot=/dev/sda
default=0
timeout=15
splashimage=(hd1,0)/boot/grub/splash.xpm.gz
#hiddenmenu
title Fedora (2.6.29.4-167.fc11.x86_64)
        root (hd1,0)
        kernel /boot/vmlinuz-2.6.29.4-167.fc11.x86_64 ro root=/dev/sda1 rhgb q
et
        initrd /boot/initrd-2.6.29.4-167.fc11.x86_64.img
splashimage=(hd1,0)/boot/grub/splash.xpm.gz

title Fedora (2.6.27.5-117.fc10.x86_64)
        root (hd2,0)
        kernel /boot/vmlinuz-2.6.27.5-117.fc10.x86_64 ro root=/dev/sdb1 rhgb q
et
        initrd /boot/initrd-2.6.27.5-117.fc10.x86_64.img


tom watson 203 681 5873


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