[ydl-gen] Kernel hacking

[Sanders, Rob M.]

Warren,
  I've done the hugetbl/hugepages mods a couple of times on a PS3 without
having any problems.  The last time was with Fedora 7 (needed to play with
SDK3.0).  I didn't use the kernel from the cell addon, but one from Geoff's
page (don't have the link handy, but should be google-able [is that a word?]).
  Did you make a new initrd image from your new kernel?  It sounded like you
didn't from your email.  I don't know if that would make a huge difference or
not, I don't normally make an initrd when booting my G5, but it seems most
of the x86 distro's I've used and the PS3 use it.

  Rob



-----Original Message-----
From: yellowdog-general-bounces at lists.terrasoftsolutions.com on behalf of Warren Nagourney
Sent: Wed 11/14/2007 10:53 PM
To: Discussion List for General Yellow Dog Linux User Topics
Subject: [ydl-gen] Kernel hacking
 
For a number of reasons, I have gone into the kernel hacking business  
in YDL 5.02 on a PS3 and started by taking the 2.6.23 kernel (from  
the most recent CELL linux ADDON iso) and compiling it, following the  
instructions in the Cell Performance article on making huge pages. I  
made the appropriate changes in the kboot.conf file to reflect the  
new kernel and tried to boot. SInce this is my first attempt at  
kernel manufacture, I was not surprised that it didn't work: I got an  
error message "switchroot: mount failed" and a kernel panic.

I looked at the init file in the initrd image and compared it to the  
one in the initrd for a working kernel: they were identical (not  
surprising, since the same mkinitrd was probably used for both). Does  
anyone have any suggestions? Thanks.

Warren Nagourney

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