Kernel panic with hardware RAID

[Ryan Steele]

Michael Tautschnig wrote:
>> Ryan Steele wrote:
>>     
>>> Thomas Lange wrote:
>>>       
>>>>>>>>> On Mon, 03 Nov 2008 15:32:05 -0500, Ryan Steele  
>>>>>>>>> <ryans at aweber.com> said:
>>>>>>>>>             
>>>>>>>>>                   
>>>>     >> I'm using FAI 3.2.14 on my Ubuntu systems (booting the  
>>>> 2.6.24-21     >> kernel), and it all seems to work, except when I  
>>>> have a hardware RAID     > [   81.860291] sd 0:0:0:1: [sdb] Attached  
>>>> SCSI disk
>>>>     > [   82.021455] sd 0:0:0:0: Attached scsi generic sg0 type 0
>>>>     > [   82.085003] sd 0:0:0:1: Attached scsi generic sg1 type 0
>>>>     > [   82.384012] Kernel panic - not syncing: Attempted to kill init!
>>>> Hmm. It may be a kernel bug. Add the option debug to the kernel
>>>> commands line, this may give you more output from the initrd. But if
>>>> it's the kernel panics before the initrd is startet you have no chance
>>>> to debug this. Than it's a problem of the kernel.
>>>>         
>>> I found the problem; the initrd didn't have all the necessary drivers  
>>> for my card.  I ended up updating the initrd so that it included those  
>>> drivers.  The error was definitely cryptic though... no mention  
>>> anywhere that it was network related.  Thanks for putting eyes on it.
>>>
>>> Ryan
>>>       
>> Err, I left out a key word there.  For my *network* card.
>>
>>     
>
> Oh well, so this was actually not related to the missing partition tables at
> all? That just means it can't boot off of NFS, and thus panics?
>   
Exactly.  The fact that it loaded the RAID/disk drivers in the initrd 
right before the network drivers was really misleading, especially since 
there was no reason at all given for the panic.