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Old 10-10-2012, 03:09 PM   #1
pafoo
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Unhappy Help! Unable to boot new kernel


I am running RHEL 6.1 on a physical server. I updated recently to 6.3. When booting to the new kernel I get kernel panic - not syncing: No init found.

I have since reinstalled the kernel, installed 3 different versions of the kernel all give the same error. The entire time I am able to boot in to the 6.1 kernel with NO problems at all. I have filesystem checked every drive and checked the grub config against a working server that was patched.

Please help!
 
Old 10-10-2012, 03:16 PM   #2
Bazzaah
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You need to create an init (initial RAM disk) - your error message says 'no init found'. The absence of an init will cause a kernel panic in (some) Slackware kernels too.

You'll need to find out how to do that on RHEL.
 
Old 10-10-2012, 03:52 PM   #3
pafoo
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I checked and the initramfs does exsist for the kernel.
 
Old 10-10-2012, 03:59 PM   #4
silendo
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Or you must recompile kernel without initrd support, so you dont have a problem with initrd image
 
Old 10-11-2012, 06:23 AM   #5
Reuti
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How did you install the new kernel? There is the script mkinitrd on openSUSE to create an initrd for the particular kernel/mainboard combination. AFAICS there is a similar one for RHEL.
 
Old 10-11-2012, 09:27 AM   #6
pafoo
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I installed the RPM using both YUM and I tried with RPM.
 
Old 01-23-2014, 02:03 AM   #7
lnxsravan
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hi,
try
boot the system in rescue mode
bash#chroot /mnt/sysimage (used to check the filesystems appear as if they are mounted under / directly)
shell#mkinitrd -f /boot/initramfs................(for rhel5)
#dracut -f /boot/initramfs.................(for rhel6)
#exit
#reboot
 
  


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