kernel panic on boot

[Shawn Protsman]

Hi Tim,

Thank you for the advice.  I tried adding root=/dev/sdb6 to the 'More 
Kernel Arguments' field in BootX.  This didn't work.  After I switched 
the order of my SCSI drives I then tried root=/dev/sda6 which had the 
same result.  I know I'm missing something here.  If entering the above 
as a BootX kernel argument then how does one set the root device 
correctly in my bootloader?

I appreciate the info on the Bootstrap partition being used for 
NewWorld Macs.


On Wednesday, Aug 20, 2003, at 18:34 US/Central, Tim Seufert wrote:

> On Wednesday, August 20, 2003, at 04:02  PM, Shawn Protsman wrote:
>>> I just reformatted my YD 2.3 installation and installed 3.0.  After 
>>> installation has completed and the computer is rebooted I get the 
>>> following:
>>>
>>> VFS: Cannot open root device "sdb6" or 08:16
>>> Please append a correct "root=" boot option
>>> Kernel panic: VFS: Unable to mount root fs on 08:16
>> Is there anyone who can help?  I have reinstalled YD 3 about 5 times 
>> now and the result is the same.  I have switched the scsi drives so 
>> that I'm booting OS 9 from sdb and YD from sda now.  Still can't get 
>> past the kernel panic.
>
> You need to set the root device correctly in your bootloader.  The 
> panic is telling you that the kernel couldn't find a valid root 
> partition to boot from at sdb6 (6th partition of SCSI device sdb), 
> which is what you currently have the bootloader set to.
>
> BTW, the bootstrap partition thing applies only to New World Macs 
> (ones with built-in USB) when using the yaboot bootloader.  They 
> aren't used on older Macs like yours, which need to use either BootX 
> or quik instead of yaboot.  (You should probably use BootX.)
>
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