Re: Problems with kernel 2.6.26-2-686-bigmem

[maximilian attems <max@stro.at>]

[ don't cross post to unrelevant lists ]

On Fri, Aug 28, 2009 at 08:47:48AM -0600, David Vanfleet wrote:
> 
> Hi, I'm trying to get Debian (Lenny) to recognize 6 Gig of memory on a 
> Dell PE 2650 server. I installed the basic 5.02a Debian system with just 
> a minimal install then I installed the 2.6.26-2-686-bigmem kernel so it 
> will see all the memory. When I boot into the bigmem kernel it fails to 
> boot, the errors I get are:
> 
>    WARNING boot device may be renamed. Try root=/dev/hda3
>    ...
>    ALERT! /dev/sda3 does not exist
> 
> To see a snapshot of the full error goto:
> 
>    http://www.amwestonline.com/error/DSC07082.JPG
> 
> Booting into the regular 2.6.26-2-686 kernel works just fine, but I only 
> see 4 gig of memory. After the error it drops me into a shell I can see 
> that /dev/hda3 does not exist. This system is setup with Raid 5. I've 
> been struggling with this for over a week now so any help would be 
> greatly appreciated.

fix your bootargs as told above.
device names are not stable!
for that you need to use UUID strings.