Could not load /lib/modules/2.6.12.5/modules.dep

[Renaud Vernet]

Michael R Head wrote:
> On Thu, 2005-08-18 at 11:40 +0200, Renaud Vernet wrote:
> 
>>Hi
>>I have just compiled 2.6.12.5 kernel, but I can't boot with it ; I get 
>>something like :
>>
>>Could not load /lib/modules/2.6.12.5/modules.dep : no such file or directory
>>Could not load /lib/modules/2.6.12.5/modules.dep : no such file or directory
>>Could not load /lib/modules/2.6.12.5/modules.dep : no such file or directory
>>....
>>
>>and then a "kernel panic : attempted to kill init" or something like that.
>>
>>But the file /lib/modules/2.6.12.5/modules.dep DOES exist, and seems ok.
>>What can cause such a behaviour ??
>>Any idea ??
> 
> 
> Are you sure you've got built an initrd? Ubuntu loads the
> modules/drivers out of the kernel's inird before mounting the root
> filesystem (correct me if I'm wrong), so if you haven't got an initrd
> for the kernel, it won't find modules.dep.
> 
> (just a guess, I haven't built my own kernel in a while... since I
> started using the 2.4 kernel on debian a few years ago)
> mike
> 
> 
>>Thanks a lot,
>>	Renaud
>>
>>
>>==============================
>>My grub's menu.lst entries :
>>
>>title           Ubuntu, kernel 2.6.12.5
>>root            (hd0,4)
>>kernel          /boot/vmlinuz-2.6.12.5 root=/dev/sda5 ro quiet splash
>>initrd          /boot/initrd.img-2.6.12.5
>>savedefault
>>boot
>>
>># THIS IS THE DEFAULT ONE :
>>title           Ubuntu, kernel 2.6.10-5-386
>>root            (hd0,4)
>>kernel          /boot/vmlinuz-2.6.10-5-386 root=/dev/sda5 ro quiet splash
>>initrd          /boot/initrd.img-2.6.10-5-386
>>savedefault
>>boot
>>===============================
>>my /boot directory :
>>
>>vernet at sbgat83:~$ ll /boot/
>>total 13M
>>-rw-r--r--  1 root root 826K May 20 19:22 System.map-2.6.10-5-386
>>-rw-r--r--  1 root root 863K Aug 18 01:09 System.map-2.6.12.5
>>-rw-r--r--  1 root root  59K May 20 15:47 config-2.6.10-5-386
>>-rw-r--r--  1 root root  50K Aug 18 01:09 config-2.6.12.5
>>drwxr-xr-x  2 root root 4.0K Aug 18 01:12 grub
>>-rw-r--r--  1 root root 4.3M Jun  7 13:32 initrd.img-2.6.10-5-386
>>-rw-r--r--  1 root root 4.3M Aug 18 01:11 initrd.img-2.6.12.5
>>-rw-r--r--  1 root root  93K Mar 31 13:08 memtest86+.bin
>>-rw-r--r--  1 root root 1.2M May 20 19:22 vmlinuz-2.6.10-5-386
>>-rw-r--r--  1 root root 1.2M Aug 18 01:09 vmlinuz-2.6.12.5
>>==================================
>>my /lib/modules :
>>
>>vernet at sbgat83:~$ ll `find /lib/modules/*/modules.dep`
>>-rw-r--r--  1 root root 254K Aug 17 19:17 
>>/lib/modules/2.6.10-5-386/modules.dep
>>-rw-r--r--  1 root root  94K Aug 18 01:09 /lib/modules/2.6.12.5/modules.dep
>>
>>
>>
> 
> 
When I don't use an initrd, I get the following message on boot :

Kernel panic - not syncing: VFS: unable to mount root fs on unknown 
block-(0.0)

And I have no idea what means this unknown block (0.0)