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User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)

Description of problem:
After completing the latest redhat kernel update on redhat Linux 7.2 and 8.0 
systems, few boxes stop working with new kernel vmlinux-2.4.18-26.7.x. 
After completing redhat update, when I restarted the system and selected the 
default Linux option at the kernel list (kernel list contains option like 
Linux ,Linux1, Linux12, Linux123, Linux1234 etc.)it shows the starting sceen " 
Loading Linux .............." and again reboots computer. This goes into 
endless loop.
I need to boot using Linux1 or Linux12345 (backup kernal) option to start the 
system.
Already two production server affected by this option each having Redhat Linux 
7.2 and 8.0 as operating system.
 On one box neither of Linux, Linux1, Linux12, Linux123 option works. It 
started using option Linux12345 which is kernel-2.4.9-34.

Version-Release number of selected component (if applicable):
kernel-2.4.18-26.7.x

How reproducible:
Always

Steps to Reproduce:
1.Update Redhat Linux 7.2/8.0 using latest redhat network update for kernel-
2.4.18-26.7.x.
2.Reboot the computer.
3.
    

Actual Results:  System is rebooting in endless loop.

Expected Results:  System should start using the latest kernel-2.4.18-26.7.x.

Additional info:

Computer starts showing "Loading Linux ..............."
and againg restrats the computer.
This goes in endless loop.