Sarge_2.4.27-3__kernel_panic

2007-08-31 Thread Cousin Stanley

Greetings  

  A few days ago I moved a hdd with a Sarge installation
  that had run for a little over 3 years in an old Compaq box 
  to another old HP box because the power supply in the Compaq died
  and the HP power supply wouldn't fit the Compaq  :-)

  The Compaq box had a Cyrix processor and I had 2 working kernels
  under Sarge and I used the  686  version as the default  

  2.4.27-3-686
  2.4.27-3-386

  The HP box that the disk is in now has an AMD K6-2 processor
  and after the move the  2.4-686  wouldn't boot but the other
  2.4-386 would boot and run Sarge OK  

  I installed a  K6  kernel and un-installed the  686  kernel
  that wouldn't boot 

  sudo apt-get intall kernel-image-2.4.27-3-k6

  sudo apt-get --purge remove kernel-image-2.4.27-3-686

  
  Now I can't boot into either the newly installed K6 kernel
  or the older 386 version and get the following messages 
  at boot time from either  

  pivot_root:  no such file or directory

  /sbin/init:  432 cannot open dev/console  no such file

  kernel panic:  attempted to kill init !

  
  I spent a fair amount of time Google-izing and found 
  quite a few others that had gotten similar error messages
  at boot time but not quite under the same circumstances 

  Most of these were either problems upgrading from 2.4 to 2.6 kernels
  or sata drive problems   

  The K6 kernel files all seem to be in place in the  /boot  dir
  and the  grub/menu.lst  seems to have been updated OK when I 
  check from a Knoopix CD boot 

  Any clues as to how to repair this problem 
  would be greatly appreciated 
  

-- 
Stanley C. Kitching
Human Being
Phoenix, Arizona


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Sarge_2.4.27-3__kernel_panic

2007-08-31 Thread pinniped



Now I can't boot into either the newly installed K6 kernel
or the older 386 version and get the following messages
at boot time from either 

pivot_root: no such file or directory

/sbin/init: 432 cannot open dev/console no such file

kernel panic: attempted to kill init !


The trick is to find out exactly why the 'root' partition cannot be found.  Two 
common problems:
1. Someone moved the HD around (so it became hdb/hdc/hdd rather than hda)
2. The filesystem driver (for example, ext3) was not compiled into the kernel 
and for some strange reason when the initrd image was rebuilt, the driver was 
not set to load.

In the case of (1), you can get a Grub console and use the 'find' tool to help figure out what parameter to use for 'root', boot and then edit the grub menu.lst and fstab file.  


In the case of (2) the easiest way is to use a Live CD to boot, then mount your 
root partition and switch to it using 'chroot', and then check the initrd tools 
configuration and update the images making sure that the necessary drivers are 
set to be loaded.



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