Re: problems booting x86 [Re: x86 and ethernet]

Nope, most of the debugging is disabled at compile time.

You can try booting with boot arguments of:
io=0x2000

(which is kIOLogDTree in IOKitDebug.h) to print the device tree at  
this point and verify that no partitions are present (and you're not  
just picking the wrong diskXsY)

Shantonu

On Oct 19, 2005, at 9:08 AM, Graham J Lee wrote:

> Was clearly thinking about something else when I wrote the topic...
>
> On 19 Oct 2005, at 14:49, Graham J Lee wrote:
>
>> and found that it doesn't pick up the root device automatically  
>> (looks like a known issue from the install notes), but that I  
>> can't set the root device because it doesn't acknowledge the USB  
>> keyboard (although it can be used at the BIOS).  I'll try to  
>> borrow a PS/2 keyboard and see if I can get any further...
>
> Now got the keyboard working, but still can't get it to boot (even  
> specifying the rootdev=disk0s1).  Here's the output from around the  
> hang:
>
> AppleGenericPCATADriver: Port 0x1f0, IRQ 14
> Still waiting for root device
> AppleGenericPCATADriver: super start failed
> Still waiting for root device [ad infinitum]
>
> I know little C++ and less IOKit, but as it's not  
> AppleGenericPCATADriver::start or IOService::start that's failing,  
> it must be IOATAController::start.  Is there any way I could enable  
> DLOG output on the install CD's kernel, to see what's up?  I expect  
> the end result will be that the hardware's unsupported, but it'd be  
> informative if not necessarily useful to get more on it.
>
> Cheers,
>
> Graham.
> _______________________________________________
> Discuss mailing list
> [email protected]
> http://www.opendarwin.org/mailman/listinfo/discuss