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Old 01-05-2012, 10:33 AM   #1
temp2012temp
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Registered: Jan 2012
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A boot problem after I upgraded fedora15 kernel.


After upgrading the kernel,I restart the computer.When I choose the new kernel vision,I met a problem below:
kernel panic -not syncing:vfs:unable to mount root fs on unknown block(0,0)
http://life.chinaunix.net/bbsfile/fo...6mykoqdslk.png

But I enter the old kernel successfully,I don't know what's wrong with the new kernel.Any help will be appreciated.

Here is my /etc/grub.conf:

splashimage=(hd0,2)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.41.4-1.fc15.i686)
root (hd0,2)
kernel /vmlinuz-2.6.41.4-1.fc15.i686 ro root=/dev/mapper/VolGroup-lv_root rd_LVM_LV=VolGroup/lv_root rd_LVM_LV=VolGroup/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
title Fedora (2.6.38.6-26.rc1.fc15.i686)
root (hd0,2)
kernel /vmlinuz-2.6.38.6-26.rc1.fc15.i686 ro root=/dev/mapper/VolGroup-lv_root rd_LVM_LV=VolGroup/lv_root rd_LVM_LV=VolGroup/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
initrd /initramfs-2.6.38.6-26.rc1.fc15.i686.img
title Other
rootnoverify (hd0,0)
chainloader +1
 
Old 01-05-2012, 10:44 AM   #2
camorri
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Registered: Nov 2002
Location: Somewhere inside 9.9 million sq. km. Canada
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Quote:
initrd /initramfs-2.6.38.6-26.rc1.fc15.i686.img
You don't have a initrd file in the boot options for the new kernel. The above is for the old kernel.

This file loads drivers required for your hardware before the kernel gets control. I don't run Fedora, so I don't know how they normally generate the file. Do they leave it up to the user? ( some do ).

See if they supplied one, or if the line is missing in grub. If you have the file, edit grub, and add it. If not, you will have to create one. See 'man initrd' or google for a howto.
 
Old 01-05-2012, 10:50 AM   #3
andrewthomas
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You are missing your initrd line:

initrd /initramfs-2.6.41.4-1.fc15.i686.img

if the file is not present, then you either need to generate one, or re-install the package and hope one is created.
 
Old 01-05-2012, 10:54 AM   #4
temp2012temp
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Registered: Jan 2012
Posts: 11

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Quote:
Originally Posted by andrewthomas View Post
You are missing your initrd line:

initrd /initramfs-2.6.41.4-1.fc15.i686.img

if the file is not present, then you either need to generate one, or re-install the package and hope one is created.

Thank you!
The file is not present,I'll try to generate one.
 
  


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