Re: New kernels cannot find boot disk on SUSE

["K.R. Foley" <kr@xxxxxxxxxx>]

Bosley Blinker wrote:
> ----- Original Message ----
> From: K.R. Foley <kr@xxxxxxxxxx>
> To: Bosley Blinker <bosley_blinker@xxxxxxxxx>
> Cc: kernelnewbies@xxxxxxxxxxxx
> Sent: Tuesday, January 1, 2008 2:43:14 PM
> Subject: Re: New kernels cannot find boot disk on SUSE
> 
> Bosley Blinker wrote:
>> Has anyone experienced problems booting newer kernels on SUSE 10.2.   I
>> can build and boot 2.6.20.1, but when I tried to move to 2.6.23.12 it
>> fails with the following message:
>> 
>>    Waiting for device /dev/sda2 to appear:...
>> 
>> This message is coming from the script linuxrc, which is generated by
>> mkinitrd and executed during the startup.  I have no modules except
>> scsi_wait_scan.ko.  The configuration for this module has changed and
>> currently there is no option to change it to a built-in module.  I tried
>> editing the make file for this module to force it to be built into the
>> kernel, but it still did not work.
>> 
>> I suspect there has been a change to SCSI that the mkinitrd script for
>> SUSE has not accounted for.
>> 
>> -Bos
>>
> 
> Try adding the module without the .ko to INITRD_MODULES and possibly
> also to MODULES_LOADED_ON_BOOT in /etc/sysconfig/kernel. This will need
> to be done before running make modules_install and make install.
> 
> -- 
>     kr
> 
>  
> 
> Thanks for the suggestion, but the boot still fails with the same
> message.  After it fails, the system drops into a shell, so I could
> verify that using your suggestion does indeed cause the  scsi_wait_scan
> module to be loaded.  For some reasom the files /dev/sd* are missing.  I
> don't know what is preventing the kernel from discovering them.
> 
>  
> 
> - Bos

Perhaps it's because the actual SCSI module for your device is not
loaded. Try adding the module for your device also.

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